Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04839fc0464e393f56b2ccfde21ff0d6982095a012e9f1b92e30f8b53aa9342cde624d4a22ae7a705c2ada3f26c25a6fdf69386f27ac663607495d727d10f97a62