Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 042181a688462cc37acc2c79660b84fc182b70af8770503b6c27e2b77f0d5f7b6ef0f8230d821c4318509cd0a2c451d7ffa3c8aff92d2fa1fba2b0486f7577d476