stellar-sdk/com.soneso.stellar.sdk.smartaccount.core/SmartAccountConstants/ED25519_SECRET_KEY_STRKEY_LENGTH

ED25519_SECRET_KEY_STRKEY_LENGTH

const val ED25519_SECRET_KEY_STRKEY_LENGTH: Int = 56

Length of a Stellar S-strkey secret seed (Base32 encoding of version + 32-byte seed + 2-byte checksum).