Penguin enjoyoors: yours truly, the one and only penguin, has been busy building. Here are the latest updates on ecosystem progress, tech releases, media highlights, and community moments. Dive in and don’t concern yourself with the rest. We move forward! https://cartesi.io/blog/ecosystem-updates-january-2026/

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Another Cartesi weekly makes it here!🐧 - Rollups SDK v2.0.0-alpha.26 is live for testers and core devs, bringing smoother and faster performance. - 2025 Transparency Report is out, covering treasury diversification and core unit funding. - Cartesi Machine delivers a full Linux OS on-chain, enabling complex apps in Python, C++, Rust, and more. Deep dive into the Cartesi Machine available. - In the spotlight 🇧🇷 Carlo Fragni shares how institutional adoption is shaping Brazil’s crypto future in Exame and CryptoMagazineBR. Join the Cartesians on Discord or Telegram. Have a great weekend! Full details: https://x.com/cartesiproject/status/2012163024639967471

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Cartesi Weekly is here once again! Fresh ecosystem updates are live. - Felipe on Benzinga: Cartesi’s co-founder breaks down Ethereum’s Fusaka upgrade and why L1 scalability still matters. - Future of Money (Brazil): Bruno Maia talks Bitcoin inflation, programmable trust, and how blockchain can unlock inclusion + innovation. - L2BEAT November Recap: Cartesi pops up with PRT v2 upgrades, machine-level improvements, and steady progress across the stack. - PRT Honeypot v2 is LIVE: Now a Stage 2 appchain rollup with stronger guarantees + a bigger bounty. - Merkle Tree Visualizer Demo: Shaheen Ahmed drops a clean breakdown of proof submission, data flow, and dispute triggers in the PRT system. - Community Insights: Carlo Fragni shares how deep chats on Cartesi’s architecture can flip doubt into clear understanding. Holiday Quests kick off Monday. Expect surprises! Full details here: https://x.com/cartesiproject/status/1999479428162912535

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Cartesi Weekly: @devcon ARG Edition 🐧 Cartesi took over Buenos Aires this week! Contributors teamed up with L2BEAT at the Stage 2 Rollups stand while the community dropped PoPs all week long. Highlights from the floor: - Daily vibes, pics, and clips from CT MVP @carlofragni. - “Trustless” became the unofficial Devconnect keyword, and the t-shirt became iconic. - Stage 2 glasses made their debut (ask 0xbalala how decentralization looks 👓). - The Cartesi banner kept guiding people straight to the action. Beyond Devconnect: - Cartesi + PRT Honeypot v2 featured in HackerNoon and U.Today. - Need a quick Stage 2 + PRT refresher? The explainer thread has you covered. The weekend isn’t slowing down. Devconnect energy is still high. Stay tuned, keep supporting Cartesi, and WAGMI Full details here: https://x.com/cartesiproject/status/1991869330787844285

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Another Friday, another Cartesi Weekly 🐧 - Diego Nehab joined Ethproofs to discuss RISC-V support & why L1 should care. - Cartesi–Chainlink CLI toolkit is live. - AI explainer on PRT fraud proofs. - New BlockHunters pod w/ Joao Garcia coming soon. - Stage 2 rollup hub proposal for Devconnect. -Don’t miss EF AMA + check out Cartesi’s Reddit. That’s a wrap for August - monthly ecosystem blog up next! Full details here: https://x.com/cartesiproject/status/1961428701754937749?s=46&t=tt0vf2syxA00nU3tvp5kFQ

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GM! It’s Cartesi Weekly time! 🐧 - New PRT video: How tournaments work + off-chain dispute resolution. - PRT explainer by Idogwu Chinonso. PRT visualization tool also in the works. Stay tuned. - Cartesi × Espresso integration hits milestone. - Featured in Interesting Engineering + Exame. -Bruno Maia on Sam Kamani + Jack Goodridge podcasts. - Join us: Farcaster | Mirror | Discord Full details here: https://x.com/cartesiproject/status/1956340185811312777?s=46&t=tt0vf2syxA00nU3tvp5kFQ

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Cartesi Weekly Recap is here🐧 Here’s what’s buzzing across the Cartesi ecosystem this week: - Ethereum turned 10 and we joined the celebration - New CartesianAI episode! Cartesi’s latest blog post gets the AI narration treatment. - Deep dive into fraud proofs. Contributor Idogwu Chinonso breaks down Cartesi’s PRT system in a must-read thread. - L2 lore alert! - Web3 education going strong in Brazil. - Bruno Maia goes live Catch our contributor later today on Web3 Global’s Space. New month = new ecosystem update coming next week. Stay tuned! Catch the full details here: https://x.com/cartesiproject/status/1951266780309311914?s=46&t=tt0vf2syxA00nU3tvp5kFQ

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Catch co-founder Felipe Argento on Blockster’s podcast to hear all about Cartesi’s expressive execution environment and how bridging web2 to web3 and leveraging existing legacy software allow developers to build more efficiently. Full episode here: https://www.youtube.com/watch?v=2q2yyTtABfk

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Cartesi Weekly roundup of ecosystem news! - PRT Honeypot cloud setup tutorial now live, shoutout to Idogwu Chinonso for making node validation easier than ever. - New podcast with L2BEAT dives deep into rollup decentralization, security & future stages. - Fraud proofs heating up! Join the convo via Gabriel & Cláudio’s recent insights + check Cartesi’s peer-reviewed “DAVE” paper in ACM Digital Library - CTSI buyback complete. - Co-founder Felipe Argento joins Blockster to unpack Cartesi’s architecture & verifiable onchain compute. - Cartesi joins Ethereum’s Strategic Reserve. Long-term builders recognized. Let’s keep building! Full details here: https://x.com/cartesiproject/status/1948730059092885830

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Happy Friday and welcome to Cartesi Weekly for the latest from the ecosystem 🐧 - Espresso Reader v0.4.0 is live - now running on Cartesi Node v2.0.0-alpha.6. - The PRT Honeypot is still up for grabs. New fraud-proof system integrated. Want in? Try running a validator node in 3 easy steps. - @rivesdotio is going mobile! Soon you’ll play DOOM and more verifiable games right from your phone. - Brazil devs: the “Intro to Blockchain, Web3, and Rollups” course drops July 28, powered by RedeRNP, ESR with CPQD via ILIADA. - New blog: Cartesi’s laser focus on engineering Ethereum’s future. HackerNoon also covered the announcement. Build with any code. Rely on Ethereum’s security. Stay curious, Cartesians. See you next week! Check here for the full details: https://x.com/cartesiproject/status/1946193350736109910

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Cartesi courses have been taught at 3 universities in Brazil for a while now. But have you ever wondered how easy it is for students to build with Cartesi? Turns out, it’s pretty simple as many already know Python. And it’s not us saying that. It’s their professor Antonio Rocha

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Time to deliver the usual Cartesi Weekly for your bits of ecosystem updates 🐧 • The new Honeypot enhanced with Cartesi’s PRT fraud-proof system, is L2Beat ready. • Stage 2 Rollup status incoming: permissionless, secure, and smart-contract managed • Bruno Maia: “The experimentation garden just got safer and more expressive” • Missed how PRT works? Catch Cartesi’s recent explainer • Claudio Silva breaks down how to run your own node • Honeypot official launch coming next week • New episode of I Build Therefore I Am out now Feat. Jagdeep Sidhu (Syscoin). Tune in on Spotify • Berlin Blockchain Week: Bruno & Carsten will be in town! Don’t miss Carsten’s talk at ZuBerlin on Tuesday • Bruno joins Web3 Global X Space later today Full updates here: https://x.com/cartesiproject/status/1933509792259322067

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L2Beat is tightening standards for Ethereum rollups. Last week, we unpacked the upcoming L2Beat recategorization and what it means for the ecosystem. Now let’s zoom in on Cartesi’s response: PRT (Permissionless Refereed Tournaments), a novel fraud-proof mechanism that gets Cartesi Rollups SDK to Stage 2. How it works, why it matters, and what it means for Rollups👇 https://x.com/cartesiproject/status/1933147358327640566

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Government-backed Cartesi projects in Brazil? At Universidade Federal Fluminense (UFF), students guided by Prof. Antonio Rocha (Computer Science Professor at UFF) built a Cartesi-powered dApp to improve the public bus system. The project caught the attention of Niterói’s municipality (Rio de Janeiro), which is now backing and implementing it to enhance transparency, accountability, and efficiency in local transport.

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Cartesi Weekly 🐧- Highlights: • Tech momentum is building around Honeypot, PRT fraud-proof system, and L2Beat recategorization. • Felipe Argento shared insights on how Honeypot could inspire other rollups. • Monthly ecosystem update now live on Mirror. • Strong media coverage in Brazil: spotlight on Cartesi and RISC-V’s potential for Ethereum and Web3. • Carlo Fragni spoke at TokenNation São Paulo and recorded an upcoming podcast. • Bruno Maia joined a Space on PMF and user retention in Web3. • New YouTube Shorts are out Full updates here: https://x.com/cartesiproject/status/1930973059676348482?s=46&t=tt0vf2syxA00nU3tvp5kFQ

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