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Kepler is an in-progress implementation of the MimbleWimble protocol. Many characteristics are still undefined but the following constitutes a first set of choices:

Clean and minimal implementation, and aiming to stay as such. Follows the MimbleWimble protocol, which provides great anonymity and scaling characteristics. Proof of work: Cuckatoo (C31). Relatively fast block time: one minute. Fixed block reward over time with a decreasing dilution. Transaction fees are based on the number of Outputs created/destroyed and total transaction size. Smooth curve for difficulty adjustments.


Ticker: KMW Max Kepler Supply: 2.138.639.000 Premine: 2% Avg 60s /block Confidential assets Block rewards: 1000 KMW / block C31 only Halving every two years

To learn more, read our introduction to MimbleWimble and Kepler.


Kepler is live with mainnet. UI wallet coming up shortly after launch


To get involved, read our contributing docs.


Telegram: Twitter Network Project: @keplernetwork Reddit: Discord:

Getting Started

To learn more about the technology, read our introduction.

To build and try out Kepler, see the build docs.


Kepler believes in keeping it simple. Users will feel welcomed by Kepler's cool appeal. Kepler will redefine how apps using the MW protocol are seen, ease of use comes to mind.

We believe in pull requests, data and scientific research. We do not believe in unfounded beliefs.


Tom Elvis Jedusor for the first formulation of MimbleWimble.

Andrew Poelstra for his related work and improvements.

John Tromp for the Cuckoo Cycle proof of work.

Johannes Kepler for being so awesome.


Apache License v2.0.

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