Cartesi

<p>Looking for the latest developments on Cartesi tech? You’re in the right place! As outlined in our <a href="https://medium.com/cartesi/cartesis-new-and-accessible-roadmap-fc5b8b8dda4c" rel="noopener noreferrer nofollow">roadmap article</a>, we’re moving towards more regular and frequent updates to keep our community in the loop on the progress we’re making to get Cartesi technology to the production level — to where a beautiful and diverse DApp ecosystem can flourish and grow.</p><p>Not too familiar with the components of Cartesi technology? Make sure you take a read through these introductory articles to get you up to speed before you dive in:</p><ul><li><a href="https://docs.cartesi.io/machine/" rel="noopener noreferrer nofollow">Cartesi Machine</a></li><li><a href="https://docs.cartesi.io/cartesi-rollups/overview/" rel="noopener noreferrer nofollow">Cartesi Rollups</a></li><li><a href="https://medium.com/cartesi/noethers-on-chain-infrastructure-595435911030" rel="noopener noreferrer nofollow">Noether</a></li></ul><p>For a quick overview on November’s developments, check out the roadmap diagram below to see what’s new for the Cartesi Machine, Cartesi Rollups, and Noether.</p><p><img src="https://cdn-images-1.medium.com/max/1600/1*TaGNqVWDp5x0YdZ96vo1xg.png" /></p><h3 id="the-cartesi-machine">The Cartesi Machine</h3><p><strong>The Cartesi Machine </strong>is Cartesi’s deterministic virtual machine that emulates a RISC-V architecture and can run a full-fledged Linux OS. It is a groundbreaking technology that offers a runtime for decentralized applications built with mainstream software.</p><h4>The Microarchitecture</h4><ul><li>The microarchitecture initial implementation was released with the new Machine Emulator SDK v0.13.0.</li></ul><h4>Self-Hosted Distributions</h4><ul><li>Experimentation with Gentoo self-hosted distribution and Alpine Linux were temporarily paused for our team to concentrate all energy on Cartesi Rollups and the microarchitecture work fronts.</li></ul><h4>Infrastructure for Rollups</h4><p>Here comes a list of improvements in our Machine emulator and its components to support Cartesi Rollups progress:</p><ul><li>Released Machine Emulator SDK v0.13.0.</li><li>RISC-V Hypervisor and compressed instruction extensions well under way.</li><li>Floating-point extensions merged and released.</li><li>TLB state now appears in the Merkle tree.</li><li>Optimized TLB implementation nearly doubles emulator performance.</li><li>Updated the Linux Kernel (5.15.63 latest LTS version).</li><li>Added support for debugging kernel-space code inside the emulator using GDB.</li><li>Improved log support on server-manager and remote-cartesi-machine.</li></ul><p><img src="https://cdn-images-1.medium.com/max/1600/0*TDDJgdMdZrWIOh-8" />GDB in action debugging kernel-space code inside our RISC-V emulator</p><h3 id="cartesi-rollups">Cartesi Rollups</h3><p><strong>Cartesi Rollups </strong>is<strong> </strong>Cartesi’s optimistic rollup layer-2 system relying on the Cartesi Machine to allow developers to create scalable decentralized applications with mainstream software components. It consists of on-chain and off-chain components that allow the blockchain to provide data availability, order input data, bridge tokens between layer-1 and layer-2, and serve as a referee in case of disputes.</p><h4>Road to Mainnet</h4><p><a href="https://medium.com/cartesi/hello-cartesi-rollups-0-8-0-e13c21fe23ce" rel="noopener noreferrer nofollow">Cartesi Rollups 0.8.0 is live!</a> Here’s a list of what this release entails:</p><ul><li>Cartesi’s Deployment System and Execution Infrastructure was successfully tested with <a href="https://www.optimism.io/" rel="noopener noreferrer nofollow">Optimism</a> and <a href="https://arbitrum.io/" rel="noopener noreferrer nofollow">Arbitrum</a> using the Echo Python example.</li><li>Support for non <a href="https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1559.md" rel="noopener noreferrer nofollow">EIP-1559</a> transactions, which is the type of transaction that some chains like Optimism currently supports.</li><li>Lower latencies for Cartesi Rollups DApps when deployed on Optimism and/or Arbitrum.</li><li>Configurable log levels for all Cartesi Rollups components, and a much cleaner log output using the default configuration.</li><li>Better error handling during the DApp’s machine build process.</li><li>The emulator also brings TLB optimizations and Floating point support which will result in better performance for computation inside the Cartesi Machine.</li><li>The new release also brings important internal enhancements.</li></ul><h4>DApp Validator Nodes</h4><ul><li>Our Deployment System and cloud-based Execution Infrastructure is currently in continuous improvement stage, which means that the basic features are done and new features and/or fixes will come according usage. For more information, please <a href="https://github.com/cartesi/rollups-deployment" rel="noopener noreferrer nofollow">click here</a>.</li><li>Currently we have 20 Cartesi Rollups DApps running in our Execution Infrastructure and counting…</li></ul><h4>Rollups Enhancements</h4><ul><li>Two features mentioned above are the main enhancements for the Cartesi Rollups 0.8.0 release: Configurable log levels for Cartesi Rollups components and better error handling during the DApp’s machine build process. With these enhancements we expect that the development experience when creating Cartesi Rollups DApps will significantly improve. Please let us know your impression on our <a href="https://discord.com/invite/kfwB7sssn8" rel="noopener noreferrer nofollow">development community on Discord</a>.</li></ul><p><a href="https://discord.com/servers/cartesi-development-community-600597137524391947" rel="noopener noreferrer nofollow"><strong>Cartesi Development Community - Discord Servers</strong><em>The Blockchain OS is a layer-2 infrastructure that supports Linux and mainstream software components. Let&#39;s have a…</em>discord.com</a></p><h4>Support for Computational Oracles</h4><p>Zippie’s dev team got a <a href="https://cartesi.io/en/labs" rel="noopener noreferrer nofollow">Cartesi Foundation Grant</a> to work on Cartesi’s computational oracle solution (named Cartesi Compute). As reported by Zippie, grant work continues to progress.</p><p>Milestone 1, is in review stage:</p><ul><li>Renaming of Descartes to Cartesi Compute in source code and interfaces done</li><li>Upgraded Cartesi Compute to use a Cartesi Machine from 2022</li><li>Implemented Precomputed hashing of pristine pages (empty pages), which makes hashing much faster for bigger machines</li><li>Testing in progress with Zippie’s own stack &#43; fixes related to this</li></ul><p>Work has started on Milestone 2 already, which includes:</p><ul><li>Tests on verification game; which involved creating a machine manager that could act in a defective manner to force a verification game to happen</li><li>Tests of all existing documentation samples &#43; changing documentation to fit 2022 sources and renames</li><li>Functionality to disallow Logger upload of data (smart contract guarantees the data is available)</li><li>Functionality to add an admin key to Cartesi Compute to allow staged Mainnet deployment</li></ul><h4>Arbitration for Rollups</h4><ul><li>We will temporarily pause this work front to concentrate our efforts on the work on the Road to Mainnet.</li></ul><h4>Automatic Voucher Execution Incentivized by CTSI</h4><p>⚠ It is important to mention that this feature depends on the scheduler component.</p><ul><li>See status update for the Scheduler activity.</li></ul><h4>Transaction Sequencer Incentivized by CTSI</h4><p>⚠ It is important to mention that this feature depends on the scheduler component.</p><ul><li>See status update for the Scheduler activity.</li></ul><h3 id="noether">Noether</h3><p><strong>Noether </strong>is Cartesi’s side chain for data availability. It is the part of Cartesi’s solution that will enable blockchain applications to use much more data than would be possible with Ethereum or other base layers.</p><h4>Noether Version 2.0: Upgrade from PoS to PoS 2.0</h4><ul><li>We achieved 75% of work done with the first release of Noether 2.0, which supports mining on both V1.1 and V2.</li></ul><h4>The Scheduler</h4><ul><li>We temporarily paused the development on the Scheduler to concentrate our efforts on the work on PoS.</li></ul><h4>Explorer</h4><p>We achieved 75% of work done with the first release of Explorer 2.0. This release brings.</p><p>New Feature:</p><ul><li>New commission page is live. Users have visibility on changes made by pool managers to the commission through time.</li></ul><p>Enhancements:</p><ul><li>A myriad of UI updates in multiple pages and places. From improvements on visibility under light and dark mode, to new icons and better alignments.</li><li>Updates done to the meta title of multiple pages to improve SEO results.</li></ul><p>Maintenance:</p><ul><li>Upgrade on internal dependencies for security patches.</li></ul><h3 id="contribute-to-the-blockchain-os">Contribute to The Blockchain OS</h3><p>Interested in developing with us? We’re always looking for collaborative team players! Feel free to contact us on <a href="https://discordapp.com/invite/Pt2NrnS" rel="noopener noreferrer nofollow">Discord</a>, check <a href="https://cartesi.bamboohr.com/jobs/?source&#61;other" rel="noopener noreferrer nofollow">our current career openings</a>, or send your resume along with an introduction to our HR e-mail: hr&#64;cartesi.io.</p><h3 id="about-cartesi">About Cartesi</h3><p>Cartesi Rollups is a modular execution layer that elevates simple smart contracts to decentralized Linux runtimes. It allows developers to launch highly scalable rollup chains, and code decentralized logic with their favorite languages and software components.</p><ul><li>Every DApp has its own high-performing rollup chain;</li><li>No cannibalization of resources from other DApps in Cartesi’s ecosystem;</li><li>No network gentrification;</li><li>Enable an entirely new class of DApps that currently cannot run on EVM chains;</li><li>Preserve the strong security guarantees of the underlying blockchain</li></ul><h3 id="follow-cartesi-across-official-channels">Follow Cartesi across official channels:</h3><p><a href="https://t.me/cartesiannouncements" rel="noopener noreferrer nofollow">Telegram Announcements</a> | <a href="https://t.me/cartesiproject" rel="noopener noreferrer nofollow">Telegram</a> | <a href="https://discord.com/servers/cartesi-development-community-600597137524391947" rel="noopener noreferrer nofollow">Discord (Development Community)</a> | <a href="https://www.reddit.com/r/cartesi/" rel="noopener noreferrer nofollow">Reddit</a> | <a href="https://twitter.com/cartesiproject" rel="noopener noreferrer nofollow">Twitter</a> | <a href="https://github.com/cartesi" rel="noopener noreferrer nofollow">Github</a> | <a href="https://stackoverflow.com/questions/tagged/cartesi" rel="noopener noreferrer nofollow">StackOverflow</a> | <a href="https://www.linkedin.com/company/cartesiproject" rel="noopener noreferrer nofollow">LinkedIn</a> | <a href="https://www.facebook.com/cartesiproject/" rel="noopener noreferrer nofollow">Facebook</a> | <a href="https://www.instagram.com/cartesiproject/" rel="noopener noreferrer nofollow">Instagram</a> | <a href="https://www.youtube.com/c/Cartesiproject/videos" rel="noopener noreferrer nofollow">Youtube</a> | <a href="https://github.com/cartesi/cips/discussions" rel="noopener noreferrer nofollow">Cartesi Improvement Proposal (CIP)</a> | <a href="https://cartesi.io/" rel="noopener noreferrer nofollow">Website</a></p>

November 2022 Development Recap for The Blockchain OS.

Table of Contents

Cartesi

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