Orakl Network VRF is based on ECVRF that was proposed at draft-irtf-cfrg-vrf-10. Orakl Network VRF is used in Orakl Network Core and Orakl Network CLI.

# prover
beta = VRF_hash(SK, alpha)
pi = VRF_prove(SK, alpha)

# verifier
beta = VRF_proof_to_hash(pi)
VRF_verify(PK, alpha, pi)

VRF_hash(SK, alpha) = VRF_proof_to_hash(VRF_prove(SK, alpha))

yarn install

yarn test

yarn lint

@bisonai/orakl-vrf is published through Github Actions pipeline when package version specified in package.json changes.

Some parts of code were inspired by or copied from

• node-ecrg
• vrf-ts-256