fn ed25519_private_key() {
    let _key = "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2";
}

fn keypair_128_chars() {
    let _key = "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2";
}

fn short_hex_not_a_key() {
    let _hash = "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4";
}
