text: #include <set>
  #include <string>
  
  namespace sigma {
  
  std::set<std::string> const sigma_blacklist {
  
  };
  
  } // end of namespace sigma.
  
  namespace lelantus {
  std::set<std::string> const lelantus_blacklist {
  
  };
  
  std::set<std::string> const lelantus_testnet_blacklist {
  };
  
  } // end of namespace lelantus.
  
  std::set<std::string> const txid_blacklist {
  };