Ethereum Foundation announces the winners of x402 Hackathon: projects such as x402-sf, Cheddr Payment Channels X402, and others have won awards.

MarsBitNews · 2026-01-19T05:19:32+00:00

The Ethereum Foundation announced the successful conclusion of the x402 Hackathon, with winning projects including Superfluid's x402-sf subscription payment infrastructure, Cheddr Payment Channels for micro-payments using payment channels, and the efficient refund tool x402r.

MarsBitNews

2026-01-19 05:19:32

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Mars Finance reports that on January 19, the Ethereum Foundation announced that the x402 Hackathon supported by the Developer Acceleration Team has successfully concluded, and announced some of the winning projects, including: x402-sf (developed by Superfluid): Introducing native continuous subscription payments into the internet through end-to-end subscription infrastructure; Cheddr Payment Channels x402: Using x402 payment channels to achieve efficient recurring and streaming micro-payments; x402r (developed by BackTrackCo): Providing a refund request tool for cases where data services purchased with x402 payments are not delivered.

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