OMG! I won the @CoinbaseDev bounty for "Build a Great Onchain App Using CDP" in the hackathon of @ETHGlobal Buenos Aires 2025 I still can't believe it, it was worth staying up for two days without sleep working alone to create Cryptoon! Many thanks to @dev3pack for all!

Puna Tech's 🇦🇷 'Licita Verify' by @arrozdev addresses a broken system: Public tenders live in PDFs that offices can quietly edit after the fact The paper trail is supposed to belong to the people auditing it. Now every milestone lands on [ARKIV] as a typed, queryable, immutable entity youtu.be/HaGdi7J3W64 🧵1/2

June 2026 Hackathon Tier List the builder window is wide open this month ranked by prize, influence, and who's backing it S TIER > Build with Gemini XPRIZE - $2,000,000 (build live, Aug 17) xprize.devpost.com > @SuiNetwork Overflow 2026 - $500,000 (June 30) overflow.sui.io > ETHGlobal New York - $225,000 (June 12–14, NYC) ethglobal.com/events/newyork… A TIER > @arbitrum Open House London - $115K / $415K total (June 14) arbitrum-london.hackquest.io > @Mantle_Official Turing Test - $100,000 (June 15) dorahacks.io/hackathon/mantl… > HackerNoon Proof of Usefulness - $150,000 (June 5) hackernoon.com/buildathon > Casper Agentic Buildathon - $150,000 (June 30) dorahacks.io/hackathon/caspe… > Google Cloud Rapid Agent - $60,000 (June 11) rapid-agent.devpost.com > Poker Arena (@devfun x Monad) - $50,000 x.com/devfun B TIER > UiPath AgentHack - $48,000 (June 29) uipath-agenthack.devpost.com > FIND EVIL! (SANS) - $22,000 (June 15) findevil.devpost.com > @qvac Edge AI by Tether - $21,000 USDT (June 1–21) dorahacks.io/hackathon/qvac-… > Splunk Agentic Ops - $20,000 (June 15) splunk.devpost.com C TIER > LaunchHacks V - $17,575 (June 20–22) launchhacks-v.devpost.com > UXmaxx - $15,000 (crypto UX) encodeclub.com/programmes/ux… > USAII Global AI - $15,000 (students, June 14–21) usaii-global-ai-hackathon-20… > Microsoft Agent Academy - $12,000 (June 2) microsoft.github.io/agent-ac… > Band of Agents - $10,000 (June 12–19) lablab.ai/ai-hackathons/band… > World Product Day - $10,000 (June 20) mindtheproduct.devpost.com D TIER > Vara Agents Arena - $8,000 (June 6) agents.vara.network/hackatho… > Somnia Agentathon - $5,000 (June 10) encodeclub.com/programmes/ag… > Tatum x Sui Walrus - $2,000 (June 6) tatum.io/tatum-x-walrus-hack… who's ready to win ?

3/ 🥈 Licita Verify by @arrozdev Public procurement you can actually audit Every step of a tender lands on [ ARKIV ] as a typed, queryable entity youtu.be/HaGdi7J3W64

GM! I built ChainRight — verifiable AI provenance on 0G. Register originals, AI‑edit, store Merkle‑proof files, and mint NFTs that link parent–child provenance forever. @0G_labs @0g_CN @HackQuest_ #0GHackathon #BuildOn0G

Introducing the Build on @CantonNetwork Hackathon! 4 weeks. $7,000 in prizes. Institutional-grade blockchain infrastructure. Build financial applications that actually matter - private DeFi, tokenised assets, B2B marketplaces, payments, and more on Canton Network. Kicks off 15 June | Online Apply now ↓

Just submitted "Solearn" to the Dev3pack Global Hackathon! 🚀 @dev3pack Solearn turns studying for college into a one-on-one challenge where both players bet money and an AI acts acts as teacher and referee. Check it out 👇 hack.dev3pack.xyz/projects/j…

I just presented “Tipay” at the Buildathon x Stellar Peru 🚀 Tipay encourages meeting attendance with USDC deposits and automatic rewards for those who actually show up. github.com/hallzyx/tipay @BuildOnStellar @StellarOrg @EthereumLima @TheBAFNetwork @StarMaker_LATAM

BIG NEWS 🚨 We’re opening ~50 IRL hubs in 35 countries with incredible communities & @superteam for our global hackathon co-hosted by @solana @vercel @ElevenLabs 🇧🇷🇦🇷🇧🇴🇵🇪🇪🇨🇻🇪🇨🇴🇭🇳🇨🇷🇲🇽🇵🇷🇪🇬🇳🇬🇬🇭🇰🇪🇺🇬🇪🇹🇹🇬🇧🇯🇿🇲🇿🇦🇫🇷🇩🇪🇵🇱🇹🇷🇦🇪🇵🇰🇮🇳🇹🇭🇮🇩🇵🇭🇲🇾🇻🇳🇨🇳🇹🇼🇯🇵 Join us now 👇 hack.dev3pack.xyz

April Hackathon Tier List links (full list) S Tier > @colosseum frontier hackathon $2.5M [colosseum.com/frontier] > @GoogleDeepMind Gemma 4 Good $200K [kaggle.com/competitions/gemm…] A Tier > Four Meme AI Sprint $50,000 - April 1–30 [ dorahacks.io/hackathon/fourm…] > @XLayerOfficial Build X Season 2 $60,000 USDT - April 1–15 [web3.okx.com/xlayer/build-x-…] > Mezo Hackathon: Building Bitcoin's Future $30k [encodeclub.com/programmes/me…] B Tier > Haskey chain horizon hackathon $40k [ dorahacks.io/hackathon/2045/…] > Zama Developer Program $15k [ zama.org/post/zama-developer… ] > Kite AI Global Hackathon $10k [ encodeclub.com/programmes/ki…] > ETHGlobal Open Agents Async $50k [ ethglob.al/6TH3OY7M1F ] C Tier > Replit Agent 4 Content Challenge > Elevenlabs hacks.elevenlabs.io/hackatho… > The Initia Hackathon $25k [ dorahacks.io/hackathon/initi… } > @Mantle_Official The Turing Test Hackathon $20k [ x.com/Mantle_Official/status… ] D Tier > Kraken AI Trading Hackathon [ lablab.ai/ai-hackathons/ai-t…] > magicblock Bi-weekly weekend hackathon > Purch Vault Hackathon $20k deadline apr 20 [purch.xyz/hackathon] Extras I missed > The Eitherway hackathon $20k [ superteam.fun/earn/listing/b… ] > The vibe jam for game creators $35k [ x.com/levelsio/status/203977…] Which tier are you building in?

DeFi Mullet Hackathon #1 来了！powered by @lifiprotocol！ $5,000 奖金，5 条赛道，1 周时间。 规则很简单：用 LI.​FI 做出最好的链上 yield 产品。 赛道: → Yield Builder → AI × Yield → DeFi UX → Developer Tooling → Open 已开放注册，直接冲👇 lifi.notion.site/defi-mullet…

If you had 3 hours to build something that could raise $5M… This is your shot. Stanford x DeepMind x Fastshot Hackathon — April 12 We’re bringing together top builders, cutting-edge AI tools, and VCs who are actively writing checks. ⚡ Build a web or mobile prototype in just 3 hours   🧠 Use @GoogleAIStudio @fastshot_ai  💰 Pitch directly to investors writing $500K–$5M checks   🏆 What you win: • 30-min pitch meetings with top-tier VCs   • $70K in prizes ($60K IRL $10K online)   • Serious exposure to funds that matter   👀 Judges & investors from: Investors & Angels: @AnithaVadavatha (AB Plus Ventures) @CCgong (Menlo Ventures) @DanielDarling (Focal VC) @denwezoh (Susa VC) @gstuto (Offscript VC) @omri_drory (NFX Bio) @ShahramSN (Civilization Ventures) @vigsachi (Gradient Ventures) @francescagnuva (Audacious Ventures) @i_arp1t (Threshold VC) @NancyZWang (Felicis) @prateekj (Moxxie Ventures) @brianzhan1 (Striker Venture Partners) and many more. Google / DeepMind: @jocarrasqueira (Product Lead, DeepMind) @ivanleomk (DevEx, DeepMind) Amit Vadi (Head of Community, DeepMind) Stanford: Prof. Nikesh Kotecha (Head of Data, Stanford Health) @tagrtagr (VP Startup Development, Stanford Bases) Co-organizers: @elvirafortune, @dmitryfatkhi, Jesse Z., Arpiné Arakelyan, Kate Polet Approval required. Spots are limited.

4 Hackathons.. 4 Weeks.. $4,000.. REGISTRATION IS NOW OPEN ON @devfolio! The Locus Paygentic Hackathon Series spans 4 weeks! 1 track per week, $4000 in prizes over the series. Sign up at the devfolio link below and join the discord! paygentic-week1.devfolio.co/…

🕹️ THE VIBE JAM IS BACK! I present you... 🌟 2026 @cursor_ai Vibe Coding Game Jam #vibejam Sponsored by @boltdotnew @cursor_ai Start: Today! Deadline: 1 May 2026 at 13:37 UTC, so you have a whole month to make your game! REAL CASH PRIZES: 🏆 Gold: $20,000 🥈 Silver: $10,000 🥉 Bronze: $5,000 RULES: - anyone can enter with their game - at least 90% of code has to be written by AI - it should be started today or after today, don't submit old games - game has to be accessible on web without any login or signup and free-to-play (preferrably its own domain or subdomain) - multiplayer games preferred but not required! - can use any engine but usually @ThreeJS is recommended - NO loading screens and heavy downloads (!!!) has to be almost instantly in the game (except maybe ask username if you want) - add the HTML code on the Google form in the reply below to show you're an entrant - one entry per person (focus on making one really good game!) WHAT TO USE: - anythign but we suggest @cursor_ai's Composer 3 and @boltdotnew, they are both fast, affordable and great at ThreeJS and making games THE JURY: Me, @s13k_, and I will ask some real game dev and AI people to jury again too Sponsors and jury suggestions still very welcome, just DM me! It will be interesting to see the difference in quality with last year, and the Vibe Jam can be kind of like a fun benchmark for AI coding seeing it close in on real commercial games I think To enter, complete the form in the reply below this tweet!

We're running eleven consecutive hackathons with a combined prize pool of over $240,000. It's called ElevenHacks. Here's how it works.

Build with Nansen CLI. Win a 𝐌𝐚𝐜 𝐌𝐢𝐧𝐢 𝐌𝟒 (16GB RAM, 256GB SSD) 4 weeks. 4 Mac Mini M4s per week. Weekly winners. This week's prizes: 🥇 1st place: Mac Mini M4 🥈 2nd place: 50,000 Nansen API credits 🥉 3rd place: 10,000 Nansen API credits Install and use our CLI, share it on X, and you're in. Here's how to be eligible 👇

Student ID benefits 2026: > GitHub Student Developer Pack > GitHub Copilot (via Student Pack) > DigitalOcean credits (via Student Pack - $200) > AWS Educate > Google Cloud education credits > Microsoft Azure $100 credits > MongoDB Atlas credits (via Student Pack) > Heroku credits (via Student Pack) > Vercel Pro features (via Student Pack) > Netlify enhanced limits (via Student Pack) > Namecheap free domain SSL (via Student Pack) > Cloudflare Pro (via Student Pack) > Postman Student Expert certification > Replit Pro (via Student Pack) > JetBrains IDEs (all products free) > Autodesk education licenses > Figma education plan > Canva for Education > Notion education plan > Microsoft 365 Education > Coursera financial aid > edX free course audits > Spotify Student > Apple Music Student > YouTube Premium Student > Amazon Prime Student > UNiDAYS discounts platform > Student Beans discounts platform > Apple Education pricing > Blender > Unity Student license > Sketch student pricing (50% off) > Free .me domain (via GitHub pack) > Free SSL certificates (via GitHub pack) > Airtable education workspace > GitKraken Student pack (via GitHub pack) > Oracle Cloud Free Tier > Red Hat Developer Subscription > Kaggle free compute & datasets > Microsoft Learn student challenges > Cursor Pro ( 1 year ) > Perplexity Pro Student > Educative (via GitHub Pack) > Frontend Masters (via GitHub Pack) did i miss anything?

Student programs that save you money (2026) 🎓 Here are high-value tools every student should claim: • GitHub Student Developer Pack Free GitHub Pro, domain & hosting credits, DigitalOcean credits, Canva Pro, dev tools education.github.com/pack • Google Cloud for Students Free cloud credits, AI/ML tools, cloud labs, hackathon infra cloud.google.com/edu/student… • Microsoft Azure for Students Free Azure credits, GitHub Enterprise, LinkedIn Learning, no credit card azure.microsoft.com/free/stu… • AWS Educate / AWS Free Tier AWS credits, cloud learning paths, hands-on labs aws.amazon.com/education/aws… • Spotify Student Plan Discounted premium, ad-free music, offline listening spotify.com/student • Amazon Prime Student Discounted Prime, fast delivery, Prime Video & Music amazon.in/amazonprime • LinkedIn Premium Student LinkedIn Learning access, InMail credits, job insights linkedin.com/premium/product… • Adobe Creative Cloud Student Plan Up to 60% student discount, full Adobe suite adobe.com/creativecloud/buy/… • Canva Pro for Students Free/discounted Canva Pro, premium templates canva.com/education/students Use them before you graduate

🧵/1 👀 Sorpresa… Desde ETH Lima ahora somos partners del Aleph Hackathon 2026 – Capítulo 🇵🇪 🚀 Y en este Día de la Mujer 💮💜 celebramos también a las builders, estudiantes y creadoras que están abriendo camino en #Web3 Una nueva oportunidad para construir con Web3 🌐 IA 🤖.