July 2026 Hackathon List 🏆 Big Prizes > AI WARS: WEEX Alpha Awakens by @WEEX_Official

July 2026 Hackathon List 🏆 Big Prizes > AI WARS: WEEX Alpha Awakens by @WEEX_Official $1,880,000 prize pool AI x Crypto competition + hackathon > Build with Gemini XPRIZE by @XPRIZE x @GeminiApp $2,000,000, closes Aug 17 [ > @Solana Summer Camp by @colosseum up to $5M in prizes + seed funding, July 11 to Aug 16 Payments, DeFi, Web3, Gaming, DAOs, Mobile [ > @SuiNetwork Overflow 2026 $500,000+, closes August DeFi, consumer apps, infra, AI x Sui [ ⛓️ Web3 & Blockchain > AdventureX 2026 by @adventurex_plan $150,000+, July 22 to 26, Hangzhou China's largest, @injective co-host. 800+ hackers [ > @Algorand Global x402 Challenge $100,000 + 500,000 ALGO, opens mid-July [ > @arc Hackathon: Programmable Money starts July 13, 7-week program DeFi, enterprise finance, agent economies on Arc L1 Search "Arc Hackathon July" on X > @chainlink Convergence $120,000+ Confidential compute, CRE, enterprise x Web3 [ > Common S3nse by @taikainetwork ends Sep 5, registration open Blockchain, privacy, defense/security, crypto [ > CROO Agent Hackathon on @DoraHacks $10,000+, closes July 12 Agent-to-agent systems and autonomous workflows [ > ETH Lima Hackathon 2026 by @EthereumLima registration open Build on Arbitrum, connect with the community [ > Ethereum Uruguay 2026 on @DoraHacks $1,500, July 24 to 25, Montevideo [ > @ETHGlobal Lisbon 2026 $125,000+, July 24 to 26, Lisbon [ > HackIndia Web3 Hackathon 2026 registration open Dedicated pure Web3 track [ > Indonesia Web3 Hackathon 2026 by @BinanceAcademy x @BNBCHAIN $5,000, registration open AI Agents, Finance, Consumer Apps. Free, online [ > The @injective Global Cup on @HackQuest_ $1,000 USDT, July 3 to 19 World Cup tools: x402, USDC CCTP, MCP Server, Agent Skills [ > @KeeperHubApp Agents Onchain Hackathon $5,000, closes Aug 13 [ > MUBAHackathon by @muba_2026_ up to $7,000, online Aug 26 to Sep 6, free Malaysia University Blockchain Association > @OKX AI Genesis Hackathon by @XLayerOfficial $100,000, live now Build an Agent Service Provider for > @Solana x402 Hackathon up to $20,000 Autonomous agents, agent-to-agent payments, MCP servers [ > @Tether_to Developers Cup on @DoraHacks $8,000, around July 14 [ > Web3 Hackfest: Unlimited Hacker, @NEARProtocol-backed $22,000+, registration open DeFi, NFT, Gaming, Metaverse, DAO, Web2-to-Web3 [ 🤖 AI & Agents > @AMD Developer Hackathon: ACT II on @lablabai $15,000, closes July 11 [ > @Arm Create: AI Optimization Challenge runs into August [ > @Backblaze Generative Media Hackathon Build with Genblaze on B2 [ > @CockroachDB x @awscloud Hackathon Build with Agentic Memory [ > @DataHubCloud Agent Hackathon $20,500, July 6 to Aug 10 Four challenge categories, build on DataHub open source > @encodeclub Commit to Change: AI Agents Hackathon $30,000, starts July 13, 7 weeks Build AI agents. Powered by Comet, credits from Google & Vercel, mentorship [ > Ignyte $25,000, closes July 13 [Register via newsletter link] > India Agentic AI Open Hackathon by @OpenHackathons June 26 to July 25 [ > Kaya AI IIT India Hackathon 2026 ₹350,000, closes July 10 [ > Lepton Agents Hackathon by @thecanteenapp x @circle $50,000, closes July 6 AI agents + nanopayments + USDC settlement on Arc/Circle [ Tell me what you'd work on. Too many to fit in one post. Continued below 👇