$ railward verify proof.json --pubkey pubkey.pem

# Paste a proof.json and the signer's public key. Your browser recomputes
# the hash chain and checks the Ed25519 signature. Nothing is uploaded;
# this page makes no network calls.

# signer public key (PEM)

-----BEGIN PUBLIC KEY----- MCowBQYDK2VwAyEAq7ZGAWmEWv7onXawU9/1iRMGwjLnoPLoT/XG1MG19y4= -----END PUBLIC KEY-----

# proof.json

# Deterministic and offline. Uses the WebCrypto Ed25519 primitive
# (recent Chrome, Firefox, Safari).
# Source and CLI: github.com/Ourbando

$