Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04816a15ee7f2269604436121afa760eb309c0ee47d010b23e14f1021b5420592d8eaf5e61d69e4c3d2d05ae0d5fa8307000f3fcbb5a46c09c7864c1d6aacb4d5d