Executive Summary
Project Name: Locale L{CORE} SDK and IoT Pilot Network
Questbook Application: [Insert Questbook Link]
This program focused on building a production ready IoT and DePIN infrastructure layer on Arbitrum designed to connect real world device data, zkProof pipelines, and smart contract triggered workflows. The objective across milestones was not only technical deployment but also real world pilot execution tied to community adoption, local partnerships, and developer onboarding.
Through the program we delivered a modular SDK, deployed multiple pilot dApps, onboarded users into the Arbitrum ecosystem, and validated localized infrastructure as a viable onchain participant.
Primary Resources
L{CORE} SDK
https://github.com/Modern-Society-Labs/lcore-sdk
https://x.com/LocaleNet/status/2014050363343569289?s=20
Locale Lending
https://lending.locale.cash
Hadinet Integration
https://www.hadinet.io
Mainnet Deployment Summary
https://docs.google.com/document/d/1Aa928vqaC0iMcDwWqO5nxFEJKNs9OFa_bGQsIzSGDeY
Milestone Breakdown
Milestone 1: KC Chain Foundation and Core Architecture
Repository
https://github.com/Modern-Society-Labs/KC-Chain-M1/blob/main/docs/milestone-report.md
Milestone 1 focused on defining the architectural base for the Locale network stack. The primary objective was establishing the structure needed to support IoT device data pipelines and encrypted execution environments.
Key Deliverables
• Initial network architecture and design scope
• Device identity and encryption pipeline planning
• Early smart contract scaffolding
• Documentation outlining long term system goals
Impact
This phase laid the groundwork for future execution layers and provided the design direction for integrating Cartesi based computation alongside Arbitrum. The milestone transitioned the project from concept into a defined infrastructure roadmap.
Milestone 2: Infrastructure Development and Execution Environment
Repository
https://github.com/Modern-Society-Labs/KC-Chain-M2
Milestone 2 expanded the foundation into functional infrastructure components. The focus shifted toward building the underlying environment required for real data ingestion and device level verification.
Key Deliverables
• Core development environment setup
• Integration with offchain compute layers
• Smart contract testing framework
• Early SDK groundwork
Impact
This phase transformed architectural planning into deployable systems. The groundwork completed here enabled later milestones to focus on real deployments rather than foundational engineering work.
Milestone 3: Device to Encryption Layer Pipeline
Repository
https://github.com/Modern-Society-Labs/kc-chain-m3
Demo Pipeline Video
https://drive.google.com/file/d/1a5hEiU0qdRdvAniN9n9osLEW2RJzpnEF/view
Technical Walkthrough
https://hackmd.io/-Sb8urOhSKG9Do1IX6VBvA
Milestone 3 introduced the first fully functional data pipeline demonstrating real sensor input flowing through encryption and into onchain workflows.
Key Deliverables
• Real device data ingestion pipeline
• Encryption layer integration
• Proof generation workflow
• Demonstration using live sensor inputs
Impact
This milestone marked the transition from infrastructure into applied functionality. The working pipeline validated the feasibility of privacy preserving device data interacting with Arbitrum smart contracts.
Milestones 4 to 6: SDK Deployment, dApp Pilots, and Ecosystem Integration
Final Milestones Repository
https://github.com/Modern-Society-Labs/lcore-final-milestones/blob/main/README.md
Live dApps
https://lending.locale.cash
https://www.hadinet.io
SDK Release
https://github.com/Modern-Society-Labs/lcore-sdk
Milestones 4 through 6 focused on turning the technology stack into usable developer tooling and live applications. This phase represented the transition from internal engineering work to ecosystem deployment.
Key Deliverables
• Public release of the L{CORE} SDK
• Deployment of Locale Lending pilot application
• Integration with Hadinet zkIdentity infrastructure
• Mainnet deployment verification
• Developer documentation and tutorials
Impact
These milestones demonstrated that the infrastructure could support real applications beyond test environments. The SDK enabled external developers to build integrations, while pilot deployments validated practical use cases tied to lending, identity, and community infrastructure.
Performance Against KPIs
Milestone 1: KC Chain Foundation and Core Architecture
| KPI | Result |
|---|---|
| Network architecture specification completed | KC Chain base architecture defined and documented |
| Initial smart contract scaffolding | Core contract framework established for future IoT integrations |
| Encryption and device identity planning | Device identity model and encrypted pipeline design finalized |
| Technical documentation released | Milestone report published outlining long term execution model |
| Development environment initialization | Repository and engineering workflow established |
Milestone 2: Infrastructure Development and Execution Environment
| KPI | Result |
|---|---|
| Execution environment deployed | Offchain compute integration configured with Arbitrum stack |
| Smart contract testing framework | Development and testing workflow implemented |
| Early SDK groundwork | Initial developer tooling structure introduced |
| Infrastructure stability validation | Continuous deployment pipeline operational |
| Data ingestion preparation | Infrastructure prepared for encrypted device data intake |
Milestone 3: Device to Encryption Layer Pipeline
| KPI | Result |
|---|---|
| Real IoT device integrations | 5 Raspberry Pi 5 devices deployed using live sensor feeds |
| Encrypted data pipeline live | Device to encryption layer workflow demonstrated |
| Onchain interaction throughput | Capability validated at 1,200+ transactions per day |
| Device uptime performance | 99.2% uptime achieved exceeding target threshold |
| Data integrity success rate | 100% encrypted payload validation success during testing |
| Real world use case demonstrations | Environmental monitoring, predictive analytics, device health tracking |
| Technical walkthrough released | Full pipeline documentation and demo walkthrough published |
Milestones 4 to 6: SDK Deployment, dApp Pilots, and Ecosystem Integration
| KPI | Result |
|---|---|
| Two dApps live | Locale Lending Pilot and Hadinet zkID Integration |
| SDK publicly released | L{CORE} SDK deployed on GitHub with tutorials and documentation |
| Real IoT data integrations | Smart contract triggers linked to real encrypted device inputs |
| Community ecosystem integrations | Produce Matrix KC urban farming initiative and Mini Scholars childcare pilot |
| Local government and institutional collaboration | State supported childcare infrastructure and civic engagement initiatives |
| Community events held | Crypto Mondays KC workshops and developer education sessions |
| Developer engagement | External builders interacting with SDK repositories and tooling |
| Active wallets onboarded | 100+ wallets participating across pilot deployments |
| Mainnet deployment verification | Contracts verified and live deployment summaries published |
| Real world pilot deployments | Lending infrastructure, zkID integration, and community data pilots live |
Technical Impact
The L{CORE} stack introduced a modular execution model combining:
• Privacy preserving IoT attestation
• zkProof enabled workflows
• Smart contract triggers tied to real world data
• Developer tooling for modular deployment
The SDK provides a reusable framework for future City Chain deployments, enabling localized infrastructure to interact directly with decentralized networks.
Community and Local Government Partnerships
A major focus of later milestones involved working with local organizations and civic initiatives to demonstrate real adoption.
Key Collaborations
• Produce Matrix KC urban farming collective exploring onchain agricultural data and financing
• zkID projects focusing on decentralized verification across Africa integrating off-chain data
• Crypto Mondays KC developer workshops onboarding new builders
• Childcare and community center pilots integrating education data pipelines
• Engagement with local stakeholders exploring privacy preserving municipal infrastructure
These partnerships represent a shift from purely technical experimentation toward real world deployment aligned with community development.
Financial Summary
Grant funds supported:
• Engineering and smart contract development
• Infrastructure deployment and hosting
• SDK documentation and developer tooling
• Community programming and workshops
The allocation remained aligned with the original objective of deploying a functional IoT focused ecosystem rather than a single isolated application.
Future Plans and Continued Alignment with Arbitrum
Next Steps
• Expand lending pilots into additional community programs
• Grow SDK adoption among IoT and DePIN developers
• Continue integration with civic infrastructure initiatives
• Maintain Arbitrum as the primary execution environment for City Chain deployments
Additional Remarks
The most important outcome of this grant was demonstrating that localized infrastructure, education initiatives, and real world community programs can operate as meaningful on-chain participants. Instead of focusing only on speculative metrics, and open source tools, the project delivered working pilots tied to real organizations and active users.
We appreciate the support from the Arbitrum community and look forward to continuing to build infrastructure that connects decentralized networks with real world economic systems.
Supporting Resources
L{CORE} IoT SDK
Final Milestone 1 Report
Final Milestone 2 Report
Final Milestone 3 Report
Final Milestones 4 - 6 Report
Demo
Technical Walkthrough