Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04b842ce7df51266a22de13ea452483e225593d7ce817ffcfb200427457cfa9227a558c78d0eed8515da2a616dba4c631393e8209967341c7c7e302481f3517e2e