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Key Takeaways
- Payment proofs hide which deposit funds usage.
- AI providers still see prompts and responses.
- Users are charged for actual service usage.
- Unused balances have withdrawal and expiry conditions.
- The software is live but remains experimental.
The tool, called zkAPI, went live on Ethereum’s main network on October 1, according to the Foundation’s announcement. It builds on a February 11 proposal by Vitalik Buterin and Davide Crapis.
When a writing application asks an AI model to produce an answer, it sends an API request. A conventional API key connects that request to a customer account, which may also contain billing details. Over time, the provider can associate the customer with a history of questions about work, finances and other personal matters.
zkAPI separates the check that a request c...
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