Glossary

SAI Guard Protocol — Pre-signing transaction verification protocol. Short form: SAI Guard.

AI Transaction Protect — SAI Wallet feature powered by SAI Guard Protocol.

SAI Guard Agent — Orchestrates verification providers; does not manage user assets.

SAI Guard SDK — Integrator surface (@sai-labs/vap today).

SAI Guard Risk Engine — Deterministic policy that emits PROTECTED, WARNING, or BLOCKED.

SAI Guard Verification Receipt — Hash-bound record of a protect run.

User intent — Operation the user explicitly requested.

Transaction proposal — Unsigned signing request to verify.

Normalized effects — Canonical asset deltas, approvals, and internals from simulation.

Simulation — Pre-execute of the unsigned payload against chain state.

Verification — Independent analysis of a proposal against intent and policy.

Semantic verifier — Compares normalized effects with user intent (MATCH / MISMATCH / UNCERTAIN).

Security provider — Adapter for contract / phishing / token-risk signals.

Verdict — PROTECTED | WARNING | BLOCKED.

Agent wallet — Operational wallet that pays verification providers.

User wallet — Holds user assets and produces the user signature.

Settlement — Paying verification providers (for example USDC on Arc). Not the user’s transfer.

Target chain — Network of the user’s transaction.

Mandate / AuthorizedIntent / Attestation / Gate — v0.1 objects; see from v0.1.

JCS — JSON Canonicalization Scheme, RFC 8785.