Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 049c91d185528ac142d42d002491cc6f69fc9b7f431cc00b72822dda5f7169f3bd6fd7b7431344ed80c0a4ead2aa9f69b9142b5671fe48c556f3ebf07f9052dcf1