Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c8a9568538307652ed7e0bc880457929c7a5e3b1f52638231dd3197a3f855017888acd587c6854a464c4ee584e176893e11b5606006503efe54d8f0f0a132940