Settld: Verify-Before-Release Gateway for AI Agent Transactions

Settld introduces a 'verify-before-release' gateway for AI agent transactions, aiming to solve the problem of trust and accountability in agent-to-agent interactions. The system intercepts HTTP 402 responses, creates escrow holds, collects evidence of work completion, and runs deterministic verification. Payment is released only after verification passes, and a cryptographically verifiable receipt is issued. This approach addresses the gap in the current AI agent ecosystem, where transactions are often based on 'trust and hope' or avoided altogether. Settld's settlement kernel includes features such as deterministic policy evaluation, hash-chained event logs, escrow with holdback windows, and a dispute resolution pipeline. The system is designed to be compositional, allowing agents to delegate work to sub-agents with linked agreements. Settld is not a payment processor or a blockchain, but rather a protocol layer that works with existing payment rails and provides cryptographic proofs of transaction validity. By providing a mechanism for verifying work before payment, Settld can foster a more trustworthy and efficient AI agent ecosystem. However, the added layer of verification may introduce latency and complexity to AI agent transactions, and the effectiveness of the system depends on the accuracy and reliability of the verification process.

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