Cryptocat allowed its users to set up end - to - end encrypted chat environments.Users can exchange one - to - one messages , and in the future will be able to send group messages , files and photos .
Cryptocat allowed its users to set up end - to - end encrypted chat environments via Google Chrome , Mozilla Firefox , Apple Safari , Opera or a native iOS application . 
 Users could exchange one - to - one messages , group messages , files and photos .