Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04391a0689b7ace3cee66311f8729a73839fcafe9224516560b10aa4074284731d3bb86c00846994747066e632497e8d94a3331d9b5e67096eca969c45ddab9856