Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0420c6a856c6e03ceef09c0f071a92547a3cb56ab8b1ecddf539c55c2201cdeac54c2ac43250b425c827b1095711344b9e3d26f64f6851bda1a63f5d0ba6faaf22