Beta

Verify a result

Recompute any original in your browser from its seeds and nonce.

Check it without us

Any HMAC-SHA256 tool gives the same block. For example, in a terminal:

printf '%s' "CLIENT_SEED:0:0" | openssl dgst -sha256 -mac HMAC -macopt hexkey:SERVER_SEED_HEX

Take the first 8 hex characters as a number u. Roll = floor(u x 10000 / 4294967296).