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Live development
Taking open source beyond the repository, the Leios dashboard brings new transparency and insight to the development process

Around the world, around the clock

Behind the scenes, our global dev network is pushing Leios forward 24/7, with core and specification repositories evolving nonstop.

5.6K commits in the past year
85K lines of code merged in the past 3 months
63 tickets completed

24 updates last week

5,559 contributions over the last 12 months

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Leios testnet

Ouroboros Leios is a major step up in Cardano’s throughput, and the Musashi Dojo testnet is where it gets proven. Named after Miyamoto Musashi (武蔵), it honours Cardano’s Japanese community and Musashi’s philosophy.


Run a node, test your tooling, and help shape the upgrade on its way to mainnet.

Join Dojo

Roadmap

Leios advances through clearly defined phases from proposal and technical specification to testnet and hard fork, translating research into production-ready implementation.

Ticket status

To do
In progress
Done

Objectives

Q3
2025
Q4
Q1
Q2
Q3
2026
Q4
Q1
100%
81%
79%
62%
8%
0%
11%