Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 046c20149a5ff99cd138c1afcdbe457054755c9a084cda46a2450b2be23f13916f900bfcb0932e0676eb57b87c06df669d2ff2ad695f105b704ae2b65a379d7ffa