Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0403cff4405b9bd11468a3b04d20f4cc42c4aac5fb18b3860dc60a9845a49c868f7c740762942e172e11ba0964a82e7685520a8b0be9d27f85bce801111ea3c7ff