We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process is built on audited security patterns and battle-tested frameworks like OpenZeppelin.
LABS
Services
Lightweight Crypto Wallet SDK for IoT
We develop ultra-lightweight, secure cryptographic libraries and SDKs for constrained IoT hardware, enabling key management and transaction signing for device-level micropayments.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
Deliver a secure, gas-optimized, and upgradeable contract suite in 2-4 weeks for your MVP.
- Full Lifecycle Development: From specification and
Solidity 0.8+coding to testing, deployment, and verification on Etherscan. - Security-First: Rigorous internal audits, formal verification with tools like
Slither, and adherence toERC-20/721/1155standards. - Production Focus: Gas optimization, upgradeability via proxies (
UUPS/Transparent), and integration-ready event logging.
key-features-cards
OPTIMIZED FOR EDGE DEVICES
Engineered for Constrained Environments
Our SDK is built from the ground up for the unique demands of IoT hardware, delivering enterprise-grade crypto functionality without compromising on performance or security.
02
Deterministic Resource Usage
Predictable CPU and memory consumption for all cryptographic operations, preventing runtime failures in real-time systems. Essential for medical, automotive, and industrial IoT.
0% Variance
CPU Usage
Constant-Time
Algorithms
03
Battery-Efficient Operations
Optimized ECDSA/secp256k1 and EdDSA/Ed25519 implementations that reduce cryptographic overhead by 70%, extending device battery life for years in the field.
70% Less
Crypto Overhead
µJ per Tx
Energy Cost
04
Air-Gapped & Offline-First
Designed for intermittent connectivity. Supports QR-based, NFC, and Bluetooth Low Energy (BLE) transaction signing, enabling secure operations in fully offline environments.
0 Network
Signing Requirement
BLE/NFC/QR
Supported Channels
benefits
DELIVERING TANGIBLE RESULTS
Business Outcomes for IoT Product Teams
Our Lightweight Crypto Wallet SDK is engineered to solve the unique challenges of IoT product development, delivering measurable improvements in time-to-market, security, and operational efficiency.
01
Accelerated Time-to-Market
Go from concept to production in weeks, not months. We deliver a production-ready SDK with pre-integrated support for EVM, Solana, and other major chains, eliminating 6-12 months of in-house development.
< 4 weeks
Integration Time
6-12 months
Dev Time Saved
02
Enterprise-Grade Security
Build trust with your enterprise clients. Our SDK is built on battle-tested cryptographic libraries and follows hardware security module (HSM) best practices for key management, providing a foundation for SOC 2 compliance.
Zero
Critical CVEs
HSM-Ready
Architecture
03
Optimized Hardware Performance
Maximize the capabilities of constrained devices. Our SDK operates efficiently on sub-1GHz MCUs with < 100KB RAM, enabling secure crypto operations without compromising device battery life or core functionality.
< 100KB
RAM Footprint
Sub-1GHz MCU
Supported
04
Reduced Total Cost of Ownership
Lower your long-term operational and support costs. We handle core wallet infrastructure, security updates, and multi-chain compatibility, freeing your team to focus on core product innovation.
> 40%
OpEx Reduction
Full Lifecycle
Support
05
Seamless Multi-Chain Scalability
Future-proof your product against chain evolution. Deploy once and gain the flexibility to support new protocols (EVM, Solana, Cosmos) via simple configuration, avoiding costly re-architecting.
5+
Protocols Supported
Config-Driven
Onboarding
06
Reliable Transaction Finality
Ensure mission-critical IoT operations succeed. Our SDK provides robust transaction queuing, nonce management, and gas optimization specifically tuned for intermittent network connectivity common in IoT deployments.
99.9%
Success Rate
Offline-First
Design
SDK Capabilities
Technical Specifications & Compatibility
Compare the core technical capabilities and supported integrations across our Lightweight Wallet SDK tiers, designed for IoT device manufacturers.
| Specification | Starter | Professional | Enterprise |
|---|---|---|---|
Supported Blockchains | EVM (Ethereum, Polygon) | EVM + Solana | EVM, Solana, Cosmos, Custom L1/L2 |
Transaction Throughput | Up to 1,000 TPS | Up to 10,000 TPS | 50,000+ TPS with sharding |
SDK Size (Binary) | < 2 MB | < 5 MB | < 10 MB (with full feature set) |
Hardware Wallet Integration | Software-only | Ledger, Trezor | Ledger, Trezor, TPM, HSM |
Gas Abstraction (Sponsorship) | Basic (ERC-4337) | Advanced (Paymasters, Bundlers) | Custom (Multi-chain, Zero-Knowledge) |
Key Management | Local Storage | Secure Enclave, MPC | Custom MPC, Multi-Party Computation |
Uptime SLA | 99.5% | 99.9% | 99.99% with geo-redundancy |
Response Time SLA | Business Hours | 24/7 (< 12h) | 24/7 (< 1h) Dedicated Engineer |
Annual License Cost | $15K | $50K | Custom (Contact Sales) |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A streamlined, security-first approach to embed crypto wallet functionality into your IoT ecosystem, ensuring rapid deployment and enterprise-grade reliability.
01
Architecture & Design Review
We analyze your IoT hardware constraints and network architecture to design a secure, low-footprint SDK. Our experts define key management strategies and transaction flow for your specific use case.
1-2 days
Initial Review
100%
Custom Blueprint
02
Secure SDK Integration
Our lightweight SDK (< 2MB) is embedded into your device firmware. We handle secure key generation, transaction signing, and multi-chain RPC connectivity (EVM, Solana, Cosmos) with zero-knowledge proofs for privacy.
< 2MB
SDK Size
5+
Supported Chains
03
Rigorous Security Audits
Every integration undergoes internal security review and optional third-party audits (e.g., Trail of Bits). We test for side-channel attacks, key leakage, and protocol-specific vulnerabilities.
2+
Audit Layers
0
Critical Bugs Shipped
04
Staging & Load Testing
We deploy the integrated solution in a controlled staging environment that mirrors your production IoT network. We simulate high-volume transaction loads and network instability to validate performance SLAs.
10k+ TPS
Load Tested
99.9%
Uptime SLA
05
Production Deployment
We manage the coordinated rollout to your live device fleet, including secure key provisioning and blockchain node configuration. Our team provides 24/7 monitoring during the go-live period.
< 2 weeks
Avg. Deployment
24/7
Launch Support
06
Ongoing Maintenance & Updates
Receive automatic SDK updates for new protocol upgrades, security patches, and feature enhancements. Our dedicated support ensures your wallet infrastructure evolves with the blockchain ecosystem.
< 48h
Patch Deployment
Enterprise
Support SLA
Make the Strategic Choice
Build vs. Buy: IoT Wallet Integration
Compare the total cost, risk, and time investment of developing a secure crypto wallet for IoT devices in-house versus using our production-ready SDK.
| Key Factor | Build In-House | Chainscore SDK |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $200K - $500K+ | $25K - $75K |
Security Audit Requirement | Mandatory (Adds $50K+, 8-12 weeks) | Included (Pre-audited, Zero Trust architecture) |
Ongoing Maintenance & Updates | Dedicated 2-3 person team | Handled by us (Optional SLA) |
Supported Protocols & Chains | Your team's research & implementation | EVM (Ethereum, Polygon, Base), Solana, Cosmos SDK |
Hardware Security Module (HSM) Integration | Complex, vendor-specific development | Pre-built for YubiKey, TPM, Secure Enclave |
Compliance (Travel Rule, AML) | Your legal team's responsibility | Built-in tools & compliance APIs |
Total Cost of Ownership (Year 1) | $300K - $600K+ | $50K - $150K |
IoT Wallet SDK
Frequently Asked Questions
Get clear answers on implementation, security, and support for our lightweight crypto wallet SDK designed for IoT devices.
For a standard IoT device with our pre-built modules, integration typically takes 2-3 weeks to a production-ready prototype. Complex integrations with custom hardware security modules (HSMs) or novel consensus mechanisms may extend to 6-8 weeks. We provide a detailed project plan after the initial technical assessment.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall