Finale – Finalists Announced!
summary
Event recap and finalist reveal: the hackathon draws 1,670 hackers and produces 634 submissions, judges pick ten finalists (Open Pay, Siphon, Wannabet, Dflow, Kron Pay, Common Lobbyist, ETH Vault PQ, Cippy, Chronova, SafeSend). Demos show working proof‑of‑concepts: Open Pay AI: HTTP 402 + onchain licensing charges crawlers and transfers $0.02 onchain, Siphon uses ZK proofs + fully homomorphic encryption for private vault swaps, Wannabet runs peer‑to‑peer bets on Farcaster and Aave yield, Chronova adds ZK 2FA to smart wallets, Sippy enables WhatsApp PayPal USD transfers on Arbitrum. Decide by these concrete builds and live demos.
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chapters (15)
- 0:00ETH Online 2025
- 3:19Hackathon overview
- 7:11Finalists announced
- 10:23Open Pay AI demo
- 16:03Siphon Protocol demo
- 21:29Wannabet demo
- 26:51Dflow demo
- 32:37Chron Pay demo
- 36:53Common Lobbyist demo
- 42:26ETH Vault PQ demo
- 47:51CP demo
- 52:58Chronovalt demo
- 57:11Safe Send demo
- 1:01:51Partner prizes & winners
- 1:11:04Finalist prizes & closing
