Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047b64c401f501eb547ba1b6c603197e6bb357cf7afc470f9e23be1d193d96f1c18c9525b8508c30af95c6228c210708f1708e1e08d3477831e83ba3c74ecbd571