34 lines
1.1 KiB
Markdown
34 lines
1.1 KiB
Markdown
---
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title: Phone messaging apps comparison
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date: 2016-07-06
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author: pesceWanda
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layout: post
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categories:
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- PesceWanda
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tags:
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- whatsapp
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- telegram
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- signal
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- instant messaging
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- messaging protocols
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---
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I made this chart for a presentation at the [Berkman Klein Center](https://cyber.law.harvard.edu/)
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| | Whatsapp | Telegram | Signal |
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|-------|:--------:|:--------:|-------:|
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|Source code| closed source | open source | open source|
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|Api | none | various | library |
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|Encription protocol | state of the art | self made | state of the art |
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|Contact list location | cloud | cloud | cloud, encrypted |
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|Forward Secrecy | yes | yes | yes |
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|Database| phone storage| cloud | phone storage |
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|Backup capability | Icloud or Gcloud| builtin| none|
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|Revenue | ads (Facebook) | donation based | donation based |
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|Federation | no | no | no|
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|Alternative download location | website | F-Droid | none |
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|Uses third party services | no | no |Google Cloud Messaging |
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|Servers location | US | Russia | US |
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|Tied to mobile number | yes | yes, but nickname available | yes |
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|Desktop client | no | yes | no |
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