Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0471f21c2c534b167b3f38e45d8f483b000786c602546324805199f660a2079459fc35da5fb44cc8f8fd2cf73a8c254472b2fb62486513da24ea959f8f3d7b26e6