Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c90c609de8afe74ff35dc8635f4a76ee86fac2f18ba74f74d55e9972190a23fcb29ab5a9e59d1d9b56a0f2235e64836cb64e047faf2f1d176b17cd5469e4163e