Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0439fffb6608d8d7e4a31ad94d65f551c5505b104d3db1359cc123fa9fbc6443e0790ba9d66fbbc44ddf268ec5dda315eeb1e9237dd9e5b880ea02a27ba3879613