Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047c021afe9a7311b4556bb32bec3c6b178e220c161515a825c4c65d1885ea69f5ef6528c69c4824794585d9c4ca51fdd34f56fe85815577d2818fc6dcea877451