Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 043b73e5f1f2b4068795d9a0577aacc42260e28e5995d592134ec885cb7d25acc1ece16f78d855355caa8c55541b3b0baca3253366af8c18dc2248cc2c0eb9c5b0