Released Rollups Contracts 3.0.0 alpha.3 and Dave 3.0.0-alpha.0. Added Emergency Withdrawal support for fund recovery, refined machine Merkle roots for claim events, updated PRT fraud proof system, enhanced tournament security, and improved error handling.

Featured in L2BEAT's monthly recap covering key technical developments across the Layer 2 landscape.

Released a tutorial showing how to integrate NumPy for advanced numerical computing, matrix operations, and scientific calculations in dApps using the Cartesi VM.

Released libcmt bindings enabling Rust, Python, and Go developers to access the Cartesi Machine directly without routing through the HTTP rollup server, providing native rollup I/O, ABI encoding, and Merkle proof capabilities.

Published Rollups Contracts version 2.2.0 in February 2026.

Participated in an X Space with House of Chimera discussing app-specific rollups, compute capabilities, and how the VM enables developers to utilize Ethereum more effectively.

Launched "Horse of Linux Power" quest campaign on Galxe offering CTSI token rewards until March 1st, 2026.

Rolled out Rollups SDK v2.0.0-alpha.26, currently intended for testers and core developers, with improvements in performance, speed, and smoother operation.

Published a transparency report detailing Cartesi Foundation's treasury allocation across ecosystem grants, research, and operations for long-term sustainability.

Ranked 6th among Layer 2 projects and 9th among Ethereum-based ecosystem projects in Santiment's March 2026 development activity rankings, with an upward directional indicator.

Lead Developer Advocate João Garcia presented on Cartesi and its Linux environment for building Rollups in a Developer DAO talk on December 17, 2025.

A bounty of 20,000 $CTSI is available for successfully hacking and draining the PRT Honeypot v2 Stage 2 contract.

PRT Honeypot v2 progresses to Stage 2 with a 20,000 CTSI bounty for vulnerability discovery and contract draining attempts.

Released Cartesi Machine Emulator v0.20.0 with ZK proof support via RISC Zero zkVM, faster hash tree for verification, state storage on disk for larger workloads, and hardened interpreter validation through fuzzing. UFF Brazil university launched 'time to deploy' challenge for students to build Beacon crowdfunding app, testing dev docs and tooling.

Co-hosts rollups stand with L2Beat at Ethereum's EFDevcon conference in the L2 District.

PRT Honeypot v2 launches on mainnet with improved fraud-proof system integrating bonds and refund mechanism. Team prepares for EFDevcon in Buenos Aires with L2 District presence.

Launched PRT Honeypot v2 on mainnet in 2025 as a bug bounty appchain testing an improved fraud-proof system integrating bonds and refund mechanism, operating as a Stage 2 Rollup app and remaining unbroken as of March 2026.

CTSI stakers qualify for Espresso Foundation's ESP token airdrop, with tokens live and claimable.

Rollups Contracts 2.1.0-alpha.1 alpha release adds new view functions for faster reference node syncing and updates key dependencies. Machine Guest Tools v0.17.2 released fixing image non-determinism issue and improving request handling to support upcoming new Honeypot deployment.

The full postmortem report on the PRT Honeypot bug that caused the fail-stop state is now published.

Development continues on PRT Visualization Tool for monitoring fraud-proof system disputes and PRT bonds mechanism that requires validators to post stakes, with honest actors recovering costs and dishonest ones losing bonds. Team attends EBlockchainCon in Barcelona and plans attendance at EFDevcon in Argentina in November.

Documentation platform receives comprehensive overhaul featuring new Appchains page, dedicated Fraud Proofs section, and enhanced developer guides for Rollups 1.5 deployment with improved navigation and visual explanations.

The Honeypot PRT system enters permanent fail-stop state due to a bug discovered during internal testing, causing bounty funds to become permanently unrecoverable. A detailed post-mortem and new Honeypot deployment are planned following the system failure.

Published Multi-dApp Node support for Rollups 2.0; released alpha version of CLI integrating updated rollups explorer for core developer testing. Completed ILIADA course September 21.

Released Rollups Node v2.0.0 alpha.11 with round robin scheduling for fair processing across applications and a new CLI diagnostic tool for direct onchain inspection. Launched university course on Blockchain, Web3, and Cartesi Rollups at UFBA University in Brazil.

Project highlighted as leading RISC-V implementation as Ethereum plans transition from EVM to RISC-V architecture.

RIVES fantasy console launches on Base mainnet with verifiable retro games

First PRT fraud-proof secured rollup application launches on Ethereum Mainnet as security testing honeypot.

New technical documentation released explaining PRT fraud-proof system, expanding developer resources and technical transparency.

Foundation completes planned CTSI buyback and secures listing in Ethereum's Strategic Reserve, strengthening institutional positioning.

New integration with Espresso Systems enables faster transaction processing for DCA Monster, DrawingCanvas, and Comet applications.

New bike-sharing dApp launches with carbon tracking and token refunds, developed by university students and local startup.

New blockchain development course launches through partnership with Brazilian research networks RNP and CPqD.

Three Brazilian universities actively teach development courses, highlighting educational sector adoption.

PRT Honeypot security challenge goes live with 20,042 CTSI initial deposit, opening for white hat hacking attempts.

Honeypot security system seeks additional funds and security researchers to test new fraud proof system, operating without EOA upgrade powers.

Honeypot enhanced with PRT fraud-proof system achieves Stage 2 rollup status, with launch confirmed for next week.

Niterói municipality adopts public transport dApp, establishing first government implementation case.

Upcoming L2Beat protocol recategorization confirmed for June 18, 2025, potentially affecting market classification.

World Tycoon introduces NFT tokenization of game states, allowing players to monetize SimCity-style maps, while active playtesting continues with potential rewards for early adopters.

New NFT collection launch partnership with Espresso Systems features daily clues and puzzles for mint spots.

Espresso Reader v0.3.0 release enables enhanced testnet compatibility and improved data handling, while guaranteed NFT mint spots for 'The Composables' will be available to community members.

Drawing Canvas deploys collaborative NFT minting platform using Linux-based VM, partnering with Espresso Network for security and scaling.

Multiple ecosystem projects reach development milestones; World Tycoon game completes beta testing and prepares for launch.

Completes Node V2 features, enters testing; begins Chainlink library integration development.

EigenLayer operator sets implementation enables slashing mechanism, while new Chainlink integration proposal enters community voting phase (April 17-24).

Chainlink Library proposal enters voting stage for funding consideration from April 17-24.

Foundation announces minimum $500,000 token buyback program through open market purchases.

Q2 testnet alpha launch of Rollups 2.0 is approaching, alongside new Chainlink automation services integration.

Technical integration with Eigenlayer's restaking mechanism enhances security guarantees through Coprocessor implementation.

Released Dave 2.1.1 with fraud-proof system on devnet and testnets: Ethereum Sepolia, Arbitrum Sepolia, OP Sepolia, Base Sepolia; published to Cannon registry; opened pull requests in February 2026.

Hosting first ecosystem updates call of 2025 on Monday, January 6th at 1 PM UTC to recap 2024 achievements.

Partnering with UFF for transportation system transformation. Received government funding. Working with National Blockchain Observatory and RNP for blockchain experimentation.

First ecosystem to go live with Espresso, with team building their own Espresso integration.

Governance proposal for Wave 2 of Grants Program live on Snapshot with $500,000 CTSI budget for 6 months. Voting period: Nov 4-11.