Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0423b8fb40386ea6774c78df8d26f6cf381ac0501935ce94fe3a7f35649696ee0180758d2afd6e7a8b40427bf55d9e0e48735bda5fac8e54b058a02bf36a42b023