E2E Security of Group in Signal, WhatsApp, and Threema

[jnn at synfin.org (John Newman)]

> On Jul 20, 2019, at 1:59 PM, grarpamp <grarpamp at gmail.com> wrote:
> 
> End-to-End Security of Group Chats in Signal, WhatsApp, and Threema
> https://eprint.iacr.org/2017/713


Has anyone used keybase for group chat (like as a slack
replacement)? They seem to be touting this feature,
particularly since slack just released some info saying
their 2015 hack was more significant than originally
stated.

Keybase & slack links:

https://keybase.io/blog/slack-incident <https://keybase.io/blog/slack-incident>

https://slackhq.com/new-information-2015-incident <https://slackhq.com/new-information-2015-incident>
https://slackhq.com/march-2015-security-incident-and-the-launch-of-two-factor-authentication <https://slackhq.com/march-2015-security-incident-and-the-launch-of-two-factor-authentication>
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