Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 048991cc94ba24755ce2909e4c122f8a6d644ac12eb0cfe4e797ca3f500ee352fb1a73483b01c4144fcaabab77fed666c75e96c84c7a327d401a7ffbfd3b506a05