Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0491d511bd89573a461c5a190fd7dd08ed50ebe157c6d137203b681c51365a923c9172d59958931a71d8ca16c39ea9a3d1b8c523384066bb8a02b39d604669829a