Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0418c8509c600e1c2762f215e4263cf89a730093627650441a7daec186b3523f4777d58379d686c74a620e7ba76656119c9f6f05dd92b5160c3a6e21988004067c