Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 045c21306f28f1e099d9324c45e12f8c6773a8795ae88774817dd2eefeb95a39a9ae7360766d80f0e1723b76c37ba53f8468a880bc70171fc9a6b007694ff3a793