Ethereum Foundation Announces x402 Hackathon Winners, Including x402-sf and Cheddr Payment Channels x402

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Release Time: 01/19/2026 05:16:47

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Summary

Ethereum news broke on January 19, 2026, as the Ethereum Foundation announced the winners of the x402 hackathon. Highlighted projects included x402-sf from Superfluid, Cheddr Payment Channels x402, and x402r by BackTrackCo. x402-sf introduces native subscription payments to the internet, while Cheddr enables micro-payments through x402 channels. x402r manages refunds for failed data service deliveries. The event reflects ongoing news and innovation within the Ethereum ecosystem.

BlockBeats News: On January 19, the Ethereum Foundation announced the successful conclusion of the x402 Hackathon, supported by the developer acceleration team, and revealed some of the winning projects, including:

x402-sf (developed by Superfluid): Natively introduces continuous subscription payments to the internet through end-to-end subscription infrastructure;

Cheddr Payment Channels x402: Utilizing x402's payment channels to enable efficient looping and streaming of micropayments;

x402r (developed by BackTrackCo): A refund request tool for situations where data services were paid for using x402 but were not delivered.

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