Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0491bf0d74c8e177bd32af6447ed70015547854382d4880c76cefa60924b6f30ce74f59d17010bd13e7d09de5ef7440de2535048b003d5498630f024be76a56129