Verifiable oracle
Draws lots you can verify. For a fixed (key, input) there is exactly ONE valid output — the oracle cannot grind or bias it, and anyone can verify the draw offline from an 80-byte proof. Lotteries, sortition, leader election, fair nonces.
ECVRF-EDWARDS25519-SHA512-TAI (RFC 9381) · edwards25519 · hash-to-curve try-and-increment · offline verifiable
| ID | Price | Output |
|---|---|---|
| sortes.draw@v1 | $0.006 | VRF output β + proof π |
| sortes.verify@v1 | $0.001 | offline trustless verify |