Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 041398a521c81d8d26bed93636f498871158385fd0e5c30061f6f1d1f9dd4792ef75e06a4bbceaf0f34c0c33d7e38d2820bd9c24fb44e8d9490aa26ac447ecd8fe