Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 043d21f764a9c7f2794947c3b13cb2433ea0d1fe5e3cbbd02ebc2ca21176405b221983def4636370aa19fe573fe36f8d2a2062ce5e636feba85bdc03d1bff8182c