Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04219b123f363c782bfa8c7d4ffb107022c3171d03ce57e1b0b1fdf42c0e3d82922037137e8007e7b084c19cbe5283536149414c69315ee8f08dd7fa07227d41f5