Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04d21d38babf076babfa08d436eb6f0f1d97891e6ec1e1e55be4ede76622d34f7699cb42c347873518eb5c5cba09988d15e07814b90b88a798c1c17520f47b82e6