Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c9f8e32eec11762112c7916003b621354a84353243573d1dfe8b40c921872cc23e904d6375a955063b87084f143a72d93a820f0a1005f9826f151bbc72dc31cc