Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0431a4280ed6fa3e2002c1b440865b78176c55c22f221d949f925f5e667ec7ce03f10c97b34ce83ada6bdc6ea3f62b963a7e08cf8e22d46372b40ffc4d33c4fc96