Escrow contract for payment of eCommerce with real shipment result onchain (EAS).
rtree
GitHub ↗- Projects
- 12
- Winning projects
- 6
- Prize money (team total)
- $5,367
- Hackathons
- 12
- Active
- 2023–2026
Builds in
Teammates
Projects
Send messages to loved ones, recorded on-chain for irrevocable access. Omoide boosts security with extra encryption, decoded via an NFC tag on their gift.
La chèque de DeFi: A system designed for issuing and redeeming physically printed checks.
A ticketing system, exclusively serving specific NFT holders, with access regulated by the Lit protocol.
A decentralized project where 1.4 billion unbanked can withdraw cash and anyone can become a bank.
Proof of location. This protocol preserves GPS coordinates on chain, verified Safe with a little help from your fren.
LIFELiNK connects people in need with nearby helpers, using technology and Web3 to protect lives.
A cross-platform manga discovery community powered by real readers, AI, and on-chain reputation.
An EIP-7702 layer: your AI agent trades from your own wallet inside hard limits. Aligned not trusted
VeriCall A "Mathematical Gatekeeper" to protect your family from AI Scams
Crypify lets Web3 beginners receive crypto easily and join the ecosystem.
an MCP server that securely proxies the 1inch API for LLM to analyze DeFi revenue opportunities.
Projects are linked from GitHub commits to each project's repo during its hackathon, so some may be missing or wrong. Prize money is each project's total, shared with teammates. Is this you?









