Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04efb4a77019903355576dbeff09852ffa27964e577528314be1335a7fad801a6ce9f648233d94cb1adf772738d3e53e7c11a23c31e7c1a5a943dd72201b1f8777