Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0431876b9d7f1667e5b9e2f74f52f86f76cfbb815037798f2bb58a42f0a96d79b93608bffbbe8169d40832ef300ce1b3488be2eddc0f2e242e7d0e57e88497dffb