Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047f51dc6a3c62ff8cdf310a43c1ecb00c146e7916469940ff1ab58138d92216cdb5019238543eeef9f879a7f9d29f8a56daa1ba7b4b8c6e619b592001e2dd46fe