zkay
                                A programming language and compiler which enable automatic compilation of intuitive data privacy specifications to NIZK-enabled private smart contracts.
                            
                        How to download and setup zkay
Open terminal and run command
                                            git clone https://github.com/eth-sri/zkay.git
                                        
                                        git clone is used to create a copy or clone of zkay repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with zkay https://github.com/eth-sri/zkay/archive/master.zip
Or simply clone zkay with SSH
                                            [email protected]:eth-sri/zkay.git                                    
                                    If you have some problems with zkay
You may open issue on zkay support forum (system) here: https://github.com/eth-sri/zkay/issuesSimilar to zkay repositories
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