Kleros Development Update: July 2025

Kleros brings you the latest development digest, showcasing significant infrastructure achievements, user experience improvements, and ecosystem expansion across our decentralized justice platform.

🌟 Key Highlights

July marked a pivotal month for the Kleros ecosystem with the successful completion of the Atlas macroservices architecture, major progress toward production deployment of our new infrastructure, and continued advancement of Court V2 features. We've enhanced user experiences across multiple platforms, improved our cross-chain capabilities, and strengthened our partnerships while maintaining focus on reliability and scalability.

⚖️ Kleros Court

Court V2 Production Readiness

Staking System Enhancements:

• Successfully merged critical staking fix PR with devnet redeployment planned
• Implemented safeguards for vote casting during active disputes to prevent validation errors
• Enhanced staking mechanisms with comprehensive testing and validation

Dispute Kit Evolution:

• Advanced development of generic Gated Dispute Kit with single-contract architecture for simplified frontend implementation
• Improved token gating functionality requiring multiple draw function calls for proper validation
• Enhanced dispute creation UX allowing users to select desired features (gating, shutter) rather than specific kits

Infrastructure and Data Management:

• Progress on migrating GTCR to alternative indexing solution with significantly improved indexing speed
• Sample queries developed for retrieving metaevidence, evidence, and case information in single requests
• Enhanced whitelisting processes for V1 stakers transitioning to V2

🌐 Experience decentralized justice! Explore our Court V2 platform as we approach production deployment.

🕵️ Kleros Scout

Platform Evolution and Partnerships

Scout V2 Development:

• Significant progress on new Scout V2 website with enhanced visual design and live stats across four Scout registries
• Ongoing coordination between the dev and design teams led to refinements in the UI/UX.

Major Policy and Incentive Updates:

• Reduced submission deposits to lower entry barriers for contributors
• New Address Tags Policy: Multiple submissions now allowed for contracts from the same deployer with the same function if deployed at different addresses
• Scout Incentives: Introduced removal rewards as part of cleanup initiative to incentivize removal of outdated or non-compliant entries

Strategic Partnerships:

• Otterscan Partnership: Collaborating with the fully open-source, multi-chain block explorer to integrate Scout data into their official frontend. Otterscan block explorer can be deployed both locally or hosted.
• Users will be able to view Kleros Scout verified items directly in the explorer

Technical Infrastructure:

• Alternative Indexers: Testing new indexing solutions across several dApps for improved performance on Curate registries
• Unified Scout Database: With ~10k unique submissions and 600k+ tagged addresses across four registries, development of unified database expected to start by end of August
• Deployed a new version of Kleros Scout Metamask Snap featuring an updated subgraph endpoint for improved reliability make these changes

Perma Curate (PGTCR) Development:

• Permanent Generalized Token Curated Registry: Finalizing new Curate version with permanent deposits
• Reviews complete, indexing in progress
• Introduces incentives for ongoing verification where submitters lock deposits indefinitely
• Advanced integration directly into Curate V1 frontend

Real-World Applications:

• Curate RWA Bio-cert Pilot: Collaborating with EU dairy company on bio-certification pilot to verify compliance with EU regulations (launch within 1-2 months)

Important: Users should update to new Metamask Scout version 1.3.8 available at snaps.metamask.io/snap/npm/kleros/scout-snap/

🕵️‍♂️ Start curating blockchain data! Explore Kleros Scout and contribute to decentralized registry curation.

👤 Proof of Humanity (PoH)

Core System Improvements

Enhanced Profile Management:

• Unified Status Computation Logic: Centralized profile status determination for consistency across all application components
• New Profile Filters: Added filters to Profiles page for easy viewing of Rejected and Expired profiles
• Improved Cross-Chain Relaying: Replaced previous profile transfer logic with smarter, more efficient approach for reliable cross-chain behavior

PNK Airdrop Infrastructure:

• Developed dedicated Reward Distributor smart contract for PNK distribution to verified POH profiles
• Created deployment and verification scripts with 100% test coverage
• Conducted technical exploration of airdrop design patterns, including integration with platforms like Galxe

Advanced Transaction Features:

• EIP-7702 Batch Transaction Support: Completed initial proofs of concept for batch transaction workflows
• Built test dApp demonstrating batch token swaps
• Developing custom hooks for UI integration of batch transaction support

User Experience Enhancements:

• Improved multiple action components with appropriate loading indicators, success confirmations, and error handling
• Updated UI logic for challenge reason selections and invalid vouches display
• Enhanced metadata formatting in video uploads

✅ Verify your humanity! You can check our current implementation here

🌉 Vea

Research and Development Progress

Hashi Integration Experiments:

• Active experimentation with Hashi integration for additional security layers
• Development of multi-bridge compatibility for enhanced security
• Faster bridging capabilities in most cases compared to Vea-only implementation

Lightbulb Proof of Concept:

• Advanced development of Lightbulb PoC with finalization in progress
• Enhanced cross-chain messaging capabilities being tested

🌉 Bridge across chains! Learn more about Vea's cross-chain capabilities and enhanced security features.

🏗️ Atlas Backend Infrastructure

Macroservices Architecture Complete

Major Infrastructure Achievement:

• Created comprehensive code for macroservices architecture with independent control systems
• Deployed new environment images for comprehensive infrastructure testing
• All services running as expected in deployed infrastructure with positive test results

Integration Testing Success:

• Concluded efforts to recreate integration tests following macroservices split
• Restored full testing capabilities enabling rapid development progression
• Applied critical patches from production systems to new architecture

Production Deployment Planning:

• Integration tests with frontends scheduled to ensure seamless production transition
• Deep insights implementation for GraphQL server monitoring and metrics tracking

Future Roadmap:

• New notifications systems development planned post-production
• Migration of legacy bots into new Atlas framework
• Kleros Scout endpoint specifications in development for block explorer integrations (target: end of August)

🔒 Escrow

Enhanced User Experience and Buffer Protection

Transaction Creation Improvements:

• Complete overhaul of token selection system moving away from legacy Token Curated Registry
• Implementation of predefined token list featuring most common tokens
• Custom ERC20 token address input capability for flexible token support

Buffer Period Innovation:

• Introduction of buffer period system for enhanced buyer protection
• Automatic one-week extension beyond delivery deadline for dispute consideration
• Balanced protection system allowing buyer disputes or transaction completion during buffer period
• Post-buffer period seller execution rights protecting against inactive buyers

Technical Implementations:

• New logic for paying, reimbursing, and executing transactions
• Improved compatibility with legacy frontend systems
• Enhanced transaction lifecycle management

🔒 Secure your transactions! You can try our Escrow V2 and Escrow V1

🔮 Futarchy

Platform Readiness

Development Completion:

• UI development mostly complete with finishing touches in progress
• Platform approaching readiness for deployment

📊 Development Infrastructure

Technical Issue Resolution

Reality.eth Integration:

• Addressed data fetching issues affecting Kleros Court V1 interface
• Explored alternative RPC providers and metaevidence contract updates
• Launched new proxy for Butter
• Plans to improve Zodiac bot during upcoming months

Alternative Indexing Solutions:

• Investigation of multiple alternative solutions as Subgraph replacements
• Evaluation of various options including specialized indexing platforms
• Strategic planning for improved data indexing capabilities

Token Management:

• Automated bot maintenance for t2crtokens.eth and tokenlist.kleros.eth
• Regular updates every 2 days ensuring current token list accuracy

User Experience Improvements:

• Addressed Metamask stability issues with Court V1
• Alternative wallet recommendations (Rabby) for improved user experience
• PNK faucet interface clarifications for devnet/testnet access

👨‍💻 Developer Community Engagement

July Office Hours Highlights

Shutter Network Integration Deep Dive In our first July developer office hours, we welcomed JB, our Development Lead, who provided an in-depth exploration of one of our most significant technical achievements - the Shutter Network integration. JB walked the community through how we've revolutionized our voting system using threshold encryption, demonstrating the technical implementation and explaining the enhanced security benefits this brings to dispute resolution.

Vea Cross-Chain Infrastructure Our second session focused on the foundational infrastructure enabling cross-chain integrations - Vea, our optimistic cross-chain messaging bridge designed for authenticated data transfer. We explored how this technology serves as the backbone for projects like PoH-Circles integration, enabling seamless functionality across different blockchains and expanding the reach of decentralized justice.

These sessions continue to provide valuable direct engagement between our development team and the community, offering technical insights and fostering collaboration in the Kleros ecosystem.

📅 Looking Ahead

Immediate Priorities

Production Deployment:

• Atlas macroservices production deployment approaching after successful testing phase
• Frontend integration testing completion before production launch
• GraphQL monitoring and metrics implementation

Feature Development:

• Kleros Scout endpoint specifications for block explorer integration
• New notifications systems architecture
• Legacy bot migration to Atlas framework

Platform Enhancements:

• Scout V2 website launch preparation with unified database
• Perma Curate production deployment
• Enhanced cross-chain capabilities through Vea improvements
• Futarchy platform launch preparation

Join the Kleros Community! 🚀

• Discord: Join our Discord server for real-time discussions
• Twitter: Follow us for latest updates and announcements
• Telegram: Connect with our community
• Documentation: Explore our comprehensive developer resources

July's developments represent substantial progress in infrastructure maturity, user experience enhancement, and ecosystem expansion. With production deployments on the horizon and continued innovation across all platforms, Kleros continues to lead in decentralized justice and dispute resolution technology.