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 _    _      ___     _    _      ___     __   _   
| \  / ||   / _ \\  | |  | ||   / _ \\  | || | || 
|  \/  ||  / //\ \\ | |/\| ||  | / \ || | '--' || 
| .  . || |  ___  |||  /\  ||  | \_/ || | .--. || 
|_|\/|_|| |_||  |_|||_// \_||   \___//  |_|| |_|| 
`-`  `-`  `-`   `-` `-`   `-`   `---`   `-`  `-`

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Text this: ZkRep: a privacy-preserving scheme for reputation-based blockchain system