The Ethereum Foundation announces the successful conclusion of the x402 Hackathon, with winning projects including: x402-sf supporting continuous subscription payments, Cheddr Payment Channels x402 enabling efficient micro-payments, and x402r providing a refund request tool.

The Ethereum Foundation announced the winners of the x402 Hackathon, including Superfluid's x402-sf providing continuous subscription payments, petersson.eth's Cheddr Payment Channels enabling efficient payments, and BackTrackCo's x402r refund tool.