Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0491b7585b7be7b8b628c0313633bb8ed738303f0912b5e2ab323c2f144fd51a95d8b8582d043e76dabb21fa0e49e265f4056436341310cb68ce0d049f3988a15c