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ECDSA with secp256k1 curve is used everywhere in Moera for public key cryptography.

Private key is encoded as fixed-length 32-byte big-endian value.

Public key is encoded as two concatenated fixed-length 32-byte big-endian values — x and y respectively.

SHA3-256 with ECDSA is used for digital signatures. The signature is up to 72 bytes in length.

SHA3-256 is used in every place where cryptographic hash is needed.