Shoppinlyst Earns A 35 Proof Of Usefulness Score By Building An Advanced Grocery List System

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February 9th, 2026

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</form> </div> </div> </div> </div> <section class="py-3 px-4 sm:px-0 sm:py-6 "> <h4 class="text-xl xs:text-2xl sm:text-3xl font-bold mb-4 sm:mb-6">TOPICS</h4> <div class="flex flex-wrap gap-2"><i class="hn hn-tech-stories mr-2"/><span>tech-stories</span>#proof-of-usefulness-hackathon#hackernoon-hackathon#software-development#shoppinlyst#smart-grocery-lists#consumer-utility-apps#consumer-mobile-apps#digital-grocery-lists</div> </section> <section class="w-full"> <div class="py-3 w-full px-4 sm:px-0"> <h4 class="text-sm xs:text-xl sm:text-3xl font-bold mb-4 sm:mb-6 flex justify-bwetween items-center w-full">THIS ARTICLE WAS FEATURED IN</h4> <div class="flex flex-wrap gap-2"> <div class="w-[75px] text-center"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2727%27/%3e"/></span><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img srcset="https://hackernoon.imgix.net/images/sia.svg?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/images/sia.svg?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/images/sia.svg?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" loading="lazy"/></span></div> <div class="flex items-center"><i class="hn hn-arweave text-lightText text-2xl"/></p> <p>Arweave</p> </div> <div style="display:flex;align-items:center;justify-self:center"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2724%27%20height=%2724%27/%3e"/></span><img alt="viewblock" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="viewblock" srcset="https://hackernoon.imgix.net/images/viewblock.png?auto=format&fit=max&w=32 1x, https://hackernoon.imgix.net/images/viewblock.png?auto=format&fit=max&w=48 2x" src="https://hackernoon.imgix.net/images/viewblock.png?auto=format&fit=max&w=48" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" loading="lazy"/></span></p> <p>ViewBlock</p> </div> <p><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2722%27%20height=%2722%27/%3e"/></span><img alt="Terminal" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Terminal" srcset="https://hackernoon.imgix.net/computer.png?auto=format&fit=max&w=32 1x, https://hackernoon.imgix.net/computer.png?auto=format&fit=max&w=48 2x" src="https://hackernoon.imgix.net/computer.png?auto=format&fit=max&w=48" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" loading="lazy"/></span><span class="ml-2">Terminal</span><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2722%27%20height=%2722%27/%3e"/></span><img alt="Lite" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="mr-2" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Lite" srcset="https://hackernoon.imgix.net/images/Lite%20Icon%20%4025px.png?auto=format&fit=max&w=32 1x, https://hackernoon.imgix.net/images/Lite%20Icon%20%4025px.png?auto=format&fit=max&w=48 2x" src="https://hackernoon.imgix.net/images/Lite%20Icon%20%4025px.png?auto=format&fit=max&w=48" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="mr-2" loading="lazy"/></span><span class="ml-2">Lite</span></p> <div class="flex items-center px-4 py-2 rounded font-bold shadow-sm transition-all text-sm hover:bg-lightAlt text-lightText border border-lightBorder "><img decoding="async" src="https://t0.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&url=https://x.com/hackernoon/status/2020936380050809080&size=16" width="20" height="20" class="mr-2 rounded" alt=""/><span class="text-sm sm:text-lg font-light">X</span></div> <div class="flex items-center px-4 py-2 rounded font-bold shadow-sm transition-all text-sm hover:bg-lightAlt text-lightText border border-lightBorder "><img decoding="async" src="https://t0.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&url=https://www.threads.com/@hackernoon/post/DUjFVNoEZUc&size=16" width="20" height="20" class="mr-2 rounded" alt=""/><span class="text-sm sm:text-lg font-light">Threads</span></div> <div class="flex items-center px-4 py-2 rounded font-bold shadow-sm transition-all text-sm hover:bg-lightAlt text-lightText border border-lightBorder "><img loading="lazy" loading="lazy" decoding="async" src="https://t0.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&url=https://bsky.app/profile/hackernoon.com/post/3meh564k2q52w&size=16" width="20" height="20" class="mr-2 rounded" alt=""/><span class="text-sm sm:text-lg font-light">Bsky</span></div> <div class="flex items-center px-4 py-2 rounded font-bold shadow-sm transition-all text-sm hover:bg-lightAlt text-lightText border border-lightBorder "><img loading="lazy" loading="lazy" decoding="async" src="https://t0.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&url=https://mas.to/@hackernoon/116042220326530140&size=16" width="20" height="20" class="mr-2 rounded" alt=""/><span class="text-sm sm:text-lg font-light">Mas</span></div> </div> </div> </section> <section class="sm:py-6 px-4 sm:px-0"> <h4 class="text-xl xs:text-2xl sm:text-3xl font-bold mb-6 uppercase flex justify-bwetween items-center w-full">Related Stories</h4> <div class="hidden sm:block"> <div> <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-2 3xl:grid-cols-3 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decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Proof of Usefulness" srcset="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">Proof of Usefulness</p> <p class=" text-lightTextLight">Jan 08, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Pantry Pilot Proves Usefulness by Automating Restaurant Food Costing with AI" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Pantry Pilot Proves Usefulness by Automating Restaurant Food Costing with AI" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#MACHINE-LEARNING</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="GlobalHawk" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="GlobalHawk" srcset="https://hackernoon.imgix.net/images/ElnBCKKtp2SDZG9UUCXuNkt0Y3B3-0c82bom.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/images/ElnBCKKtp2SDZG9UUCXuNkt0Y3B3-0c82bom.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/images/ElnBCKKtp2SDZG9UUCXuNkt0Y3B3-0c82bom.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">GlobalHawk</p> <p class=" text-lightTextLight">Jan 16, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Why I started a Bitcoin Education Website " src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Why I started a Bitcoin Education Website " sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#WEB3</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="M-Marvin Ken" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="M-Marvin Ken" srcset="https://hackernoon.imgix.net/avatars/robot-a2.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/avatars/robot-a2.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/avatars/robot-a2.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">M-Marvin Ken</p> <p class=" text-lightTextLight">Jan 23, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="How to Enter the Proof of Usefulness (PoU) Hackathon" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="How to Enter the Proof of Usefulness (PoU) Hackathon" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#PROOF-OF-USEFULNESS-HACKATHON</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="Proof of Usefulness" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Proof of Usefulness" srcset="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">Proof of Usefulness</p> <p class=" text-lightTextLight">Jan 23, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Charmpay Earns a 53 Proof of Usefulness Score by Building Secure Escrow-Based Payments for Online Transactions" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Charmpay Earns a 53 Proof of Usefulness Score by Building Secure Escrow-Based Payments for Online Transactions" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#PROOF-OF-USEFULNESS-HACKATHON</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="michaelcharming" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="michaelcharming" srcset="https://hackernoon.imgix.net/avatars/6um71AOKA5gnk8Ypimpq925hAyu1.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/avatars/6um71AOKA5gnk8Ypimpq925hAyu1.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/avatars/6um71AOKA5gnk8Ypimpq925hAyu1.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">michaelcharming</p> <p class=" text-lightTextLight">Jan 29, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Agent Observatory Earns a 56 Proof of Usefulness Score by Making AI Agents Observable Without Risk" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Agent Observatory Earns a 56 Proof of Usefulness Score by Making AI Agents Observable Without Risk" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/a-minimalist-technical-illustration-showing-interconnected-ai-agents-with-transparent-tracing-lines-emphasizing-reliability-simplicity-and-fail-open-system-design-yatw8q6dsqdvow3o0c7e6cct.png?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#PROOF-OF-USEFULNESS-HACKATHON</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="Darshan Parmar" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Darshan Parmar" srcset="https://hackernoon.imgix.net/avatars/BsdKVvcUmrUHZ5qp0xaxROvtl2G3.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/avatars/BsdKVvcUmrUHZ5qp0xaxROvtl2G3.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/avatars/BsdKVvcUmrUHZ5qp0xaxROvtl2G3.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">Darshan Parmar</p> <p class=" text-lightTextLight">Jan 30, 2026 </p> </div> </div> </div> </article> </div> </div> </div> </div> <div class="sm:hidden"> <div> <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-2 3xl:grid-cols-3 3xl:gap-4 gap-4 "> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Everything You Need to Know About HackerNoon’s Proof of Usefulness Hackathon" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Everything You Need to Know About HackerNoon’s Proof of Usefulness Hackathon" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/zhLunuihpBhk4IjuH4amrounSwE2-hg03dk3.png?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#PROOF-OF-USEFULNESS-HACKATHON</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="Proof of Usefulness" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Proof of Usefulness" srcset="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">Proof of Usefulness</p> <p class=" text-lightTextLight">Jan 08, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Pantry Pilot Proves Usefulness by Automating Restaurant Food Costing with AI" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Pantry Pilot Proves Usefulness by Automating Restaurant Food Costing with AI" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/2jqChkrv03exBUgkLrDzIbfM99q2-tn0230e.jpeg?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#MACHINE-LEARNING</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="GlobalHawk" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="GlobalHawk" srcset="https://hackernoon.imgix.net/images/ElnBCKKtp2SDZG9UUCXuNkt0Y3B3-0c82bom.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/images/ElnBCKKtp2SDZG9UUCXuNkt0Y3B3-0c82bom.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/images/ElnBCKKtp2SDZG9UUCXuNkt0Y3B3-0c82bom.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">GlobalHawk</p> <p class=" text-lightTextLight">Jan 16, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Why I started a Bitcoin Education Website " src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Why I started a Bitcoin Education Website " sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=1200 1200w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=1920 1920w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=2048 2048w, https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=3840 3840w" src="https://hackernoon.imgix.net/images/EHUYZRLLAUbgArGtd43kEIxTOTS2-zs03ijy.jpeg?auto=format&fit=max&w=3840" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#WEB3</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="M-Marvin Ken" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="M-Marvin Ken" srcset="https://hackernoon.imgix.net/avatars/robot-a2.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/avatars/robot-a2.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/avatars/robot-a2.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">M-Marvin Ken</p> <p class=" text-lightTextLight">Jan 23, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="How to Enter the Proof of Usefulness (PoU) Hackathon" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="How to Enter the Proof of Usefulness (PoU) Hackathon" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=828 828w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=1080 1080w, https://hackernoon.imgix.net/images/sinW25rWovdN38P2ArzdPSCP3hi1-0b9389r.png?auto=format&fit=max&w=1200 1200w, 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justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="Proof of Usefulness" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Proof of Usefulness" srcset="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/images/QdWX77c6s5Skk99abuNLlG6AEZZ2-rx83gf7.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">Proof of Usefulness</p> <p class=" text-lightTextLight">Jan 23, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span style="box-sizing:border-box;display:block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;padding-top:50%"/><img alt="Charmpay Earns a 53 Proof of Usefulness Score by Building Secure Escrow-Based Payments for Online Transactions" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/placeholder.jpg")"/><img alt="Charmpay Earns a 53 Proof of Usefulness Score by Building Secure Escrow-Based Payments for Online Transactions" sizes="(max-width: 768px) 100vw, 400px" srcset="https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=640 640w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=750 750w, https://hackernoon.imgix.net/images/mobile-transactions-for-students-in-nigeria-fizhqr6u4f8myz08vyqy4kp5.png?auto=format&fit=max&w=828 828w, 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style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#PROOF-OF-USEFULNESS-HACKATHON</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="michaelcharming" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="michaelcharming" srcset="https://hackernoon.imgix.net/avatars/6um71AOKA5gnk8Ypimpq925hAyu1.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/avatars/6um71AOKA5gnk8Ypimpq925hAyu1.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/avatars/6um71AOKA5gnk8Ypimpq925hAyu1.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">michaelcharming</p> <p class=" text-lightTextLight">Jan 29, 2026 </p> </div> </div> </div> </article> </div> <div class=" border xs:my-3 sm:m-0 border-lightBorder rounded-md "> <article class="relative group w-full h-full flex flex-col rounded-lg undefined text-darkText p-0"> <div class="relative overflow-hidden w-full rounded-t-lg"><span 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style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="w-full h-full object-cover transition-transform duration-200 hover:scale-105 " loading="lazy"/></span></p> <div class="absolute bottom-2 right-2 z-[2] flex items-center justify-end rounded max-w-[60%] lg:max-w-[65%]">#PROOF-OF-USEFULNESS-HACKATHON</div> </div> <div class="flex flex-col text-xl p-2 justify-between flex-1 bg-light rounded-b-lg border-t border-lightBorder"> <div class="flex items-center space-x-2 mt-1"> <div class="sm:hidden md:block"> <div class="sc-f5271638-0 cwUhp border-2 border-lightSubtle " width="40" height="40"><span style="box-sizing:border-box;display:inline-block;overflow:hidden;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;position:relative;max-width:100%"><span style="box-sizing:border-box;display:block;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0;max-width:100%"><img decoding="async" style="display:block;max-width:100%;width:initial;height:initial;background:none;opacity:1;border:0;margin:0;padding:0" alt="" aria-hidden="true" src="data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%2740%27%20height=%2740%27/%3e"/></span><img alt="Darshan Parmar" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="intrinsic" class="rounded-full" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%"/><img alt="Darshan Parmar" srcset="https://hackernoon.imgix.net/avatars/BsdKVvcUmrUHZ5qp0xaxROvtl2G3.png?auto=format&fit=max&w=48 1x, https://hackernoon.imgix.net/avatars/BsdKVvcUmrUHZ5qp0xaxROvtl2G3.png?auto=format&fit=max&w=96 2x" src="https://hackernoon.imgix.net/avatars/BsdKVvcUmrUHZ5qp0xaxROvtl2G3.png?auto=format&fit=max&w=96" decoding="async" data-nimg="intrinsic" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%" class="rounded-full" loading="lazy"/></span></div> </div> <div class="text-xs "> <p class=" text-lightText font-bold flex flex-wrap">Darshan Parmar</p> <p class=" text-lightTextLight">Jan 30, 2026 </p> </div> </div> </div> </article> </div> </div> </div> </div> </section> </div> </div> </div> </div> </div> <p></main></p> <div class="flex flex-col gap-4 hidden"><button class="mr-auto"><i class="hn-sun hn text-2xl"/></button></p> <h2 class="text-sm font-semibold text-darkText">Light-Mode</h2> <div class="cursor-pointer p-3 rounded-lg hover:scale-105 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