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Hackathon · ETHMumbai · 2026

An AI agent that makes paying a friend in crypto as simple as a tap, instead of copying long wallet addresses around.

Demo on Devfolio GitHub
When
Mar 2026
Where
ETHMumbai 2026
Won
HeyElsa track and ENS pool prize
Built with
HeyElsa OpenClaw, x402, Solidity, React Native
Your crypto wallet

01Your crypto wallet

2
prizes at ETHMumbai 2026

01The idea

Sending crypto to a friend usually means copying a long wallet address and triple-checking it. We wanted peer-to-peer payments to feel as easy as tapping two phones together.

02What we built

An autonomous AI agent for NFC-based peer-to-peer payment workflows, built on OpenClaw and x402, with a React Native app and Solidity contracts underneath.

03Decisions and trade-offs

04How it went

We won the HeyElsa track and the ENS pool prize at ETHMumbai 2026.

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