Cartesi journal
Work in public.
Technical progress, ecosystem decisions, research, and the record behind them.
Progress, context, and independent perspectives.
Cartesi Ecosystem Updates - September 2026
September closed Q3 with safer settlement in the Fraud-Proof System, new alphas across Rollups Contracts and TypeScript tooling, and the Cartesi Machine running in the browser through a new package. But the month's milestone was a new chapter for Cartesi, with a refreshed website, a new strategy, and Knoss, a derivatives exchange built on Cartesi Rollups, bringing options onchain.
The Next Stage for Cartesi
The Cartesi Foundation is concentrating more of its engineering and business development efforts around Knoss, an independent derivatives exchange built on Cartesi Rollups. By supporting a commercial product operating under real-world demands, the Foundation aims to prove Cartesi’s infrastructure in practice, while allowing product requirements to directly inform its technical development and creating a path for commercial success to contribute back to the ecosystem.
Cartesi Ecosystem Updates - August 2026
August moved the stack forward on multiple fronts, with the Machine Emulator shipping v0.21.0's fraud-proof tooling upgrades and new alphas landing for Rollups Contracts, the Sequencer, and Machine bindings that make it easier for developers to run a Cartesi Machine straight from a browser tab. But the month's milestone came from Linux itself, the foundation the Cartesi Machine runs on, turning 35 years old, and the whole ecosystem paused to celebrate the software that already runs the world, and now runs onchain too.
Cartesi Ecosystem Updates - July 2026
July pushed the fraud-proof system further toward production, with claim staging adding a safety window to tournament finalization and progress on deposit refunds and TypeScript tooling strengthening the developer experience. Developer advocates kept testing the stack and spreading the word across podcasts and X Spaces, and the month's clearest signal came from the penguin itself, as it showed up everywhere, from Malaysia Blockchain Week to Ethereum's 11th birthday, walking proud across the ecosystem.
Cartesi Ecosystem Updates - June 2026
June answered one of the biggest questions on the road to production: what happens when an application stops and users need to recover their funds? Emergency withdrawals are now live and being tested, alongside continued improvements across the Rollups stack and developer tooling. Beyond the technology, the month's clearest signal came from the ecosystem itself, as two Cartesi Foundation board members stepped down to build full time on the stack, reinforcing growing conviction that the future of onchain finance will be built with verifiable compute.
Cartesi Ecosystem Updates - May 2026
May was a month of convergence across the Cartesi stack. Fraud-proof infrastructure and rollup contracts continued their coordinated march toward production, while contributors shipped agentic development tooling that fundamentally changes how AI tools interact with Cartesi. On the community and media fronts, the signal is growing and the DeFi space is starting to see what Linux onchain actually makes possible.
Cartesi Ecosystem Updates - April 2026
April pushed Cartesi forward across the stack, with major engineering upgrades and a continued focus on making DeFi more accessible to builders. From Machine Emulator v0.20.0 introducing zk-proof support to ongoing improvements in Rollups, the fraud-proof system, and developer tooling, the path toward production-ready infrastructure became clearer. At the same time, practical resources and demos reinforced how easy it is to build with familiar tools, while growing ecosystem awareness supported broader adoption.
Why Cartesi Is the Execution Layer DeFi Has Been Waiting For
While DeFi has achieved remarkable things, it has reached a structural ceiling within the EVM’s limited environment. Cartesi removes this constraint with a RISC-V-based VM that boots a full Linux OS, enabling developers to use battle-tested libraries in Python, Rust, or C++. By providing dedicated compute per dApp, Cartesi delivers the rigorous infrastructure required to finally bring real-world financial complexity verifiably onchain.
Cartesi Ecosystem Updates - March 2026
March closed out Q1 2026 with a clear through-line: driving infrastructure to production-readiness. From the release of Rollups Node v2.0.0-alpha.10, to a refined CLI and a more reliable bond refund process for the PRT fraud-proof system, the focus remained on builder reliability. Between the wrap-up of the deep-dive DeFi video series and the launch of live demos, we continue to prove that if it runs on Linux, it can run onchain, and Cartesi is delivering the rigorous tools needed to realize the true potential of DeFi.
Ecosystem contributor hub
Perspective from beyond the Foundation.
Research, applications, and technical arguments from people building across the Cartesi ecosystem.
Explore contributor work