Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04703c21d18b669e25c65a52bbf70451f262534fadaad502c09e45fa01452f714447ceaa00b0f620ea02e33478e7069b057494a03c096f99c58152b8fb46737703