Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 046d21f9a3706cb0a1ee36b2bcac06b01204b44adfd6103baaf26aee6bedef2429f26647c8df2a505b76ec653b154872680f60d037d1e128880dc6b6119699a5c0