Message signing
Blacknet account can sign a message for the purpose of off-chain communication. Off-chain communication means that the signed message is not submitted to the block chain.
The used digital signature scheme is Ed25519-BLAKE2b.
The message is fed into BLAKE2b-256 hashing function with padding Blacknet Signed Message:\n.
Verification requires an accound address, a message signature, an original message.
RPC
Sign message Type POST Path /api/v2/signmessage Parameters mnemonic mnemonic of signing account message text message Returns signature.
Verify message Type GET Path /api/v2/verifymessage/{from}/{signature}/{message} Parameters from address of signing account signature signature to verify message text message Returns boolean.
Library
- Dart https://pub.dev/packages/blacknet_lib
- Go https://gitlab.com/blacknet-ninja/blacknetgo-lib
- JavaScript https://www.npmjs.com/package/blacknetjs
- PHP https://packagist.org/packages/blacknet/lib