Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0471212163c0cc3210ef41e207eb70c48b92a07c8f38edd71969ea467bc75fb1e7620644c54748b465a511924943673c383f869dc6a5509b806552202abe981b51