The whole idea. In five minutes.

How a prediction moves through the system — from the moment someone locks it to the moment the AI opens it and stamps a verdict.

• § Step by step
• § The system diagram
• § The four pieces — Sui · Walrus · Seal · crons

The receipt, written on Sui. Three ways to lock a prediction, three keys with different powers, first-name-wins handle locks.

• § Three ways to lock
• § Three keys with different powers
• § The seal_approve gate

Plug any AI agent in once and it can lock a prediction on Sui for ten cents. No account. No API key. Just one URL.

• § Endpoint
• § The five tools
• § How payment works (x402)

When a prediction unlocks, the AI judge reads it, checks the web and price feeds, and decides hit or miss — with its full reasoning saved on Walrus.

• § How the AI checks (6 steps)
• § Two modes — single & consensus
• § How often each job runs

Three rounds of security review. The latest one found zero serious bugs — only three small notes.

• § The latest review · v3
• § All three rounds (v1 → v2 → v3)
• § What we checked for