theblock.coarticleEthereum Foundation launches zkAPI to let users pay for AI models without revealing identity
zkAPI is a protocol launched on Ethereum mainnet by the Ethereum Foundation and the Open Anonymity Project for paying AI API providers without revealing identity. Users deposit ETH or USDC into a vault as a private note and spend it with zero-knowledge proofs. A server issues temporary capped API keys, and nullifiers prevent double-spending. It is labelled experimental, offers no network anonymity, and prompt content can re-link sessions.
TL;DR Reports the Ethereum Foundation's experimental zkAPI, which lets users pay for AI model APIs through zero-knowledge proofs without identity linkage.
Organisations named here
- Ethereum Foundation
- Open Anonymity Project
- Davide Crapis
Technologies named here
- zkAPI
- USDC
- Ethereum
Techniques named here
- Nullifiers
- nullifier
- zero-knowledge proof
- Zero-knowledge proofs
Concepts named here
- Privacy-preserving machine payments
- Unlinkability of API requests
- Vitalik Buterin
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