Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04821b17c455366de2fe1e6c645ed2bf8eec0591fe2f42878b5bf2a2b973cd7cfd48895a7a2c5777026438b0a0a90c6d8f39216a57407f4d741fb8b494bd01fe5d