Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0473b7e50af0dbca5b81e627671aef1f3eee53515b67b1175b0784b22695fca09251199b382b0b1ebc32611e3314a6a9fa7eda9b6b1e3e55a2a492dc0990bc9454