vrf

vrf

Last updated: April 5, 2026

Provider: Broke to Built AI | Price: $0.001/call | Category: security | Rating: ★★★★★ Novel primitive

What It Does

Verifiable Random Function. Every output includes cryptographic proof (SHA-256 preimage). 7 modes: random, range, pick, shuffle, coin, dice, uuid.

Endpoint

POST https://x402.bankr.bot/0x8f9ec800972258e48d7ebc2640ea0b5e245c2cf5/vrf

Input

Field	Type	Description
mode	string	random
min	number	For range
max	number	For range
items	array	For pick/shuffle
count	number	Dice count
sides	number	Dice sides

Example Response

{"mode":"dice","result":[17,4,12],"proof":{"preimage":"abc...","hash":"sha256:def...","verify":"SHA-256(preimage) === hash"}}

Honest Assessment

Most novel service in catalog. Cryptographic proof is real. Off-chain verification (SHA-256), not on-chain (no Chainlink VRF equivalent).

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