Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0423e8f3e2c1dceac893864f5321737c2262ad1bfa043233253cbcbe30ab659888e8d191a40f593f9678731292907e7404f70c264d424365e53c09c228bbb2fef3