Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 041676c2b50faa54d85d860c81c853fc201e2752da14f656b5e9301e8acc5eb70c231eeb7047db359ec91810aaf90c88cf9bcc1a67e0dac52c5c08fef9c09e1b13