Weekly Highlights Cartesi Weekly: Dave v3.0.0-alpha.6 PRT Anti-Sybil Update, Explorer v3.13.0, and Q3 Engineering Highlights

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It’s Friday, so here comes your Cartesi Weekly 🐧

Work has progressed on our PRT fraud-proof system, and Dave v3.0.0-alpha.6 is out as a new deployment generation. An honest player’s clock now refills (up to a cap) each time they win a sub-dispute. That means attackers can’t use a flood of fake identities to run out the clock on a correct claim. The release also fixes a finding from the latest PRT verification review and works with Cartesi Machine v0.22. As always, props to Gabriel Coutinho de Paula for shipping it:
→ https://github.com/cartesi/dave/releases/tag/v3.0.0-alpha.6

Over on the staking side, Explorer v3.13.0 went live. It moves to a new wallet library and adds transaction receipts for anyone using Explorer as a Safe App, which helps if your stake sits in a multisig. Kudos to Bruno Menezes:
→ https://github.com/cartesi/explorer/releases/tag/v3.13.0

Short on time for the full Q3 Engineering Report? The tl;dr thread walks through 130 merged PRs, 673 commits, and 58 releases across 13 repos, sorted by the three technical pillars. Two highlights: deposit refunds close the last gap in emergency withdrawals, and Cartesi Machine v0.21.0 makes every input end in a provable outcome, even when the app crashes. Summary here:
→ https://x.com/cartesiproject/status/2112530070510383323

This week was Open Access Week. Research should be free to read, share, and build on, and so should code. Cartesi is open source and brings Linux onchain with Ethereum settlement, so anyone can check the results for themselves.
→ https://x.com/cartesiproject/status/2112167301844009259

The timeline had opinions this week too. If your stack won’t let you build with Linux onchain, it ain’t the one:
→ https://x.com/cartesiproject/status/2112891152445894867

And a reminder to stop designing around an L1 EVM’s single block of compute, shared by every app. Switch to Cartesi for orders of magnitude more compute, a full Linux stack, and a dedicated VM for each app:
→ https://x.com/cartesiproject/status/2113254324134678943

That’s the week. Building something with Linux onchain, or just want to say hi? Come find us on Discord: discord.gg/cartesi. Enjoy the weekend!

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Cartesi enables developers to build appchain rollups with any code, while benefiting from the security of Ethereum. To learn more about Cartesi, visit https://cartesi.io/.

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Welcome to r/cartesi!

Cartesi is an application-specific rollup execution layer with a Linux runtime. Cartesi Rollups uses a combination of an Optimistic Rollups framework and the Cartesi Machine Emulator that enables the development of smart contracts and DApps using any package or library that is available for Linux. This allows developers to break free from the limitations of the Ethereum Virtual Machine (EVM) and gives developers the power to build DApps that handle complex or previously impossible use cases.

DApps are deployed on their own customizable application-specific rollup chains;
DApps don't compete with each other in Cartesi’s ecosystem for scarce blockspace;
Cartesi Provides Ethereum or L2’s with orders of magnitude more computational capacity;
Developers can code decentralized logic with their favorite libraries, compilers, and other time-tested open-source components;
DApps preserve the strong security guarantees and censorship resistance of the underlying blockchain;
Cartesi Rollups opens up the design space for more expressive and computationally intensive blockchain applications;
Cartesi Rollups can be deployed as a layer 2 (on top of Ethereum), as a layer 3 (on top of Optimism, Arbitrum, zkEVM chains, etc.), or as sovereign rollups.