Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047b6a6920bff74bf66453bdbe7217212c8a7eb5fce66f1c6cfc335d9f23e9a7a274540356e6aa54b09b291336908adf7361ff84536adf84a846950f7b08c1354c