Wardin
Tamper-evident audit receipts for every LLM call
Wardin launched on August 20, 2026 with 3 votes, #2,940 of 23,274 launches that month and more than 50% of that year's launches.
What it does
Wardin is the audit-grade evidence layer for AI. A policy-enforcing LLM gateway that signs every request into a tamper-evident, hash-chained receipt you can verify offline — with no trust in us. Enforce budgets and policy in the request path, meter spend, and produce Art-12-grade records — all on one signed receipt.
A gateway for your LLM traffic: every request is checked, priced, and written into an ED25519-signed hash chain you can verify offline.
Wardin is a gateway. Point ANTHROPIC_BASE_URL at it and every call gets checked (budget, model allowlist, PII, prompt injection), priced, and written into a SHA-256 hash chain signed with ED25519. Like a blockchain, minus the blockchain: one writer, no consensus. Anyone can check the whole chain offline with an open-source verifier, without a Wardin account. Anything can write a log line, and anything can edit one later. A Wardin receipt is a fixed set of fields hashed together with the hash of the receipt before it, so changing a past record stops every hash after it from matching. An auditor checks that without asking us. That matters on a deadline. The EU AI Act's high-risk logging and…from wardin.ai
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