About Cwtch

Cwtch (pronounced: kutch) is a Welsh word roughly meaning “a hug that creates a safe space”

Cwtch is a platform for building consentful, decentralized, untrusted infrastructure using metadata resistant group communication applications. Currently there is a selfnamed instant messaging prototype app that is driving development and testing. Many Further apps are planned as the platform matures.


Communications metadata is known to be exploited by various adversaries to undermine the security of systems, to track victims and to conduct large scale social network analysis to feed mass surveillance. Metadata resistant tools are in their infancy and research into the construction and user experience of such tools is lacking.

Cwtch is an extension of the metadata resistant protocol Ricochet to support asynchronous, multi-peer group communications through the use of discardable, untrusted, anonymous infrastructure.

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Open Privacy is an incorporated non-profit society in British Columbia, Canada. Donations are not tax deductible. You can Donate Once via Bitcoin, Monero, Zcash, and Paypal, or you can Donate Monthly via Patreon or Paypal. Please contact us to arrange donation by other methods.

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