Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 042f21fc564039ef05513f94b6999c08885e43c1b6d6ed510a41b5a8c543bf0d045617f84993d9b8a60d5a3c961b720fcf52951638d750ccef7c66c18cdc34e91f