Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047c66b3122dbe09af93a66851985c1d5631ad746565f77a7f302179c3f5a30ea525db98dd37f8d906b532b1b923ab0b17d190f9ac738174672d414ca9f71dd764