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# hushchat |
# HushChat - Signal On A Blockchain |
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HushChat stuff |
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## What is HushChat? |
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HushChat is a protocol which is a particular use case of HushList protocol and which sits on top of Zcash Protocol. It is |
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inspired by the design of Signal Protocol and uses many of the same cryptography and ideas, but does not actually use any |
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code from Signal. |
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## Is HushChat a fork of Signal? |
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No. We do not use code directly from Signal, but the ideas from the protocol and the GUI interface. |
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## Why not just use Signal? |
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Signal requires phone numbers and is a centralized service. HushChat is completely anonymous and decentralized. |
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## What is HushList? |
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HushList is a protocol first published in 2017, which describes how to use Zcash Protocol for various communications use cases, |
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including censorship-resistance: https://github.com/leto/hushlist/blob/master/whitepaper/protocol.pdf |
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## Will HushChat store messages on the blockchain like HushList does? |
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Yes, data must be stored on-chain to have censorship resistance and HushChat can be thought of as a "flavor" of HushList. |
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Users may choose between storing data on the *public* Hush blockchain or their own Hush Smart Chain (which could be public or completely private) : https://github.com/myhush/hush-smart-chains |
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## Isn't it a bad idea to store private data in a blockchain? |
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It depends on the needs of the user. Currently, many users give all their information for free to various cloud companies |
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who constantly mine their personal data which can then be sold to advertising companies who want to influence thinking and purchases. These average users have a lot to benefit from controlling their data, wrapping it in multiple layers of encryption and enjoying censorship-resistance. For those with more strict needs (say a Healthcare company), a dedicated Hush Smart Chain |
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with access controls, such as needing to be on a certain VPN with a special user/pass to connect to the network, could be used. |
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Ultimately, to prove to others that something happened or to easily communicate with others, a public blockchain will be the primary use case. It also provides a meeting place for users to come together and then spin up their own Just-In-Time specific-use-case blockchains. |
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