Kaptos/xyz.mcxross.kaptos.model/AccountData/authenticationKey

authenticationKey

@SerialName(value = "authentication_key")

val authenticationKey: String

Authentication key for the account, represented as a hex-encoded string.

Always prefixed with "0x".
Each byte is encoded as exactly two hex digits.
Unlike the Address type, leading zeros are preserved and never trimmed.

This key defines the set of public keys that are allowed to sign transactions for the account.