DoraHacks Hackathon Newsletter 2026 February

‣ Last Chance! BCH-1 Hackcelerator Bitcoin Cash · BCH | Dec.10, 2025 — Feb.26, 2026 (Extended) Register Now > RE{DEFINE} HACKATHON Starknet · Bitcoin · Ethereum · Cairo · ZK-rollups | Feb.1 — 28, 2026 Register now > ‣ New Hackathons AWS Prompt the Planet Challenge Amazon Web Services | Feb.28 — May.31, 2026 Register now > BUIDL BATTLE #2 | The Bitcoin Builders Tournament Stacks | Mar.2–20, 2026 Register now > Polkadot Solidity Hackathon 2026 Polkadot · Solidity | Mar.1–20, 2026 Submit BUIDL > StableHacks: Building Institutional Stablecoin Infrastructure on Solana Solana · Tenity| Mar.13–22, 2026 Submit BUIDL > ‣ Ongoing Hackathons Stellar Hacks: ZK Gaming Stellar | Feb.9–23, 2026 Submit BUIDL > Build on Stellar Chile Ideatón Stellar | Feb.10–28, 2026 (Extended) Submit BUIDL > The Self-Driving Yield Engine BNB Chain | Feb.1–28, 2026 (Extended) Submit BUIDL > BUIDL CTC Hackathon Creditcoin · CTC · EVM | Feb.1 — Mar.7, 2026 Submit BUIDL > OneHack 3.0 | AI & GameFi Edition OneChain · MOVE