We architect and deploy custom smart contracts that form the secure, immutable backbone of your decentralized application. Our development process is built on audited code patterns and a deep understanding of gas optimization and security best practices.
LABS
Services
Session Key Management for Relayers
We build secure session key infrastructure for gasless transaction relayers, enabling users to perform multiple sponsored actions within a defined period using a single approval.
Chainscore © 2026
overview
CORE SERVICES
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your protocol.
- End-to-End Development: From initial design and
Solidity/Rustcoding to deployment and mainnet verification. - Security-First: All contracts undergo internal audits and are built with
OpenZeppelinstandards. - Protocol Integration: Seamless integration with
ERC-20,ERC-721,ERC-1155, and custom standards for DeFi, NFTs, and DAOs. - Gas Optimization: We write efficient code to minimize transaction costs for your users.
Deliver a battle-tested, auditable smart contract suite in as little as 4-6 weeks, giving you a secure foundation to build and scale.
key-features-cards
END-TO-END SESSION KEY INFRASTRUCTURE
Core Components We Deliver
We provide the complete technical foundation for secure, scalable, and non-custodial session key management, enabling your relayer to offer seamless user experiences without compromising on security.
01
Secure Session Key Wallet
Non-custodial smart contract wallet implementation with session key permissions. Supports time-bound, scope-limited, and gas-sponsored transactions for frictionless user interactions.
ERC-4337
Standard
Non-Custodial
Security Model
02
Permission Management Module
Granular policy engine to define session rules: transaction limits, allowed contracts, expiry times, and gas sponsorship policies. Enables fine-grained control over delegated authority.
Real-time
Policy Updates
Multi-chain
Support
03
Relayer Node & Bundler
High-performance infrastructure to receive, validate, bundle, and submit user operations (UserOps) to the blockchain. Built for sub-second latency and 99.9%+ reliability.
< 1 sec
Median Latency
99.9%
Target Uptime SLA
04
Paymaster Integration
Flexible gas abstraction system allowing you to sponsor user transactions or implement pay-per-use models. Integrates with existing payment rails and treasury management.
ERC-20 / Native
Gas Tokens
Automated
Refill & Accounting
05
Monitoring & Analytics Dashboard
Real-time visibility into session activity, gas consumption, user adoption, and system health. Proactive alerts for anomalous behavior or policy violations.
Real-time
Alerts
Custom
KPIs & Reports
benefits
DELIVERING TANGIBLE VALUE
Business Outcomes for Your Relayer
Our session key management infrastructure is engineered to deliver measurable improvements to your relayer's operational efficiency, security posture, and bottom line. Move beyond features to guaranteed results.
01
Eliminate Gas Abstraction Complexity
We deliver a fully managed session key system, removing the need for your team to build, audit, and maintain complex gas sponsorship logic. Focus your engineering resources on core product innovation.
> 80%
Reduced Dev Time
0 lines
Gas Logic Code
02
Guaranteed Transaction Security
Our architecture enforces strict, audited security policies for every session. Prevent unauthorized actions with granular, time-bound permissions, backed by formal verification of our core contracts.
100%
Policy Enforcement
Formal
Verification
03
Scale User Onboarding Instantly
Enable seamless, gasless onboarding for thousands of users simultaneously. Our infrastructure handles the session key issuance and management load, eliminating bottlenecks during high-growth periods.
< 1 sec
Session Initiation
10k+
Concurrent Users
04
Reduce Operational Overhead by 90%
Automate key rotation, policy updates, and user session lifecycle management. Our system handles the operational burden, freeing your team from manual key management and reducing security risks.
90%
Ops Reduction
Automated
Key Rotation
05
Achieve Predictable Cost Structure
Replace unpredictable, user-paid gas fees with a fixed, manageable operational cost. Forecast your infrastructure spend accurately and design sustainable business models without gas volatility.
Fixed
Cost Model
0%
Gas Surprises
06
Accelerate Time-to-Market
Deploy a production-ready, enterprise-grade session key system in weeks, not months. Leverage our battle-tested modules and integration guides to launch your gasless features faster.
< 4 weeks
To Production
Pre-built
Modules
Infrastructure Decision Matrix
Build vs. Buy: Session Key Management
A detailed comparison of the time, cost, and risk associated with building a secure session key system in-house versus leveraging Chainscore's managed service.
| Factor | Build In-House | Chainscore Managed Service |
|---|---|---|
Development Timeline | 4-9 months | 2-4 weeks |
Initial Security Audit | Required (Extra $30K-$80K) | Included (Pre-audited modules) |
Ongoing Security Maintenance | Your team's responsibility | Managed (Patching, threat monitoring) |
Key Rotation & Revocation Logic | You build and test | Pre-built, gas-optimized modules |
Multi-Chain Support | Custom integration per chain | Native support for 10+ EVM chains |
Compliance & Audit Trail | Custom logging implementation | Automated, immutable logs included |
Team Cost (Engineering, Security, DevOps) | $250K+ annually | From $60K annually |
Time to First Relayed TX | Months | Days |
Uptime & Reliability SLA | You define and maintain | 99.9% Guaranteed |
how-we-deliver
PREDICTABLE DELIVERY
Our Development & Integration Process
A structured, four-phase approach to deliver secure, production-ready session key management for your relayers, ensuring rapid integration and operational excellence.
01
Architecture & Design Review
We analyze your existing relay infrastructure and define the optimal session key architecture. This includes threat modeling, permission scoping, and selecting the right cryptographic primitives (e.g., EIP-4337, EIP-3074).
1-3 days
Design Sprint
Zero
Lock-in
02
Smart Contract Development & Auditing
Our team builds and hardens the core session key management contracts. Every module undergoes internal review and is prepared for external security audits with firms like Spearbit or CertiK.
2-3 weeks
Development
100%
Audit-Ready
03
Relayer Integration & Testing
We integrate the session key manager directly into your relayer stack (Gelato, OpenZeppelin Defender, custom). This phase includes comprehensive testing on testnets against real transaction flows and failure modes.
1-2 weeks
Integration
> 95%
Coverage
04
Deployment & Monitoring
We manage the mainnet deployment and establish monitoring dashboards for key metrics: session usage, revocation events, and gas efficiency. Includes 30 days of post-launch support.
< 1 day
Deployment
24/7
Alerts
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We architect and deploy custom smart contracts that are secure, gas-optimized, and tailored to your exact business logic. Our process delivers audit-ready code from day one, built on Solidity 0.8+ with OpenZeppelin standards.
- End-to-End Ownership: You receive full source code, deployment scripts, and comprehensive documentation.
- Security-First Development: Every line undergoes peer review against common vulnerabilities before formal audit.
- Gas Optimization: We minimize transaction costs without compromising security or functionality.
From concept to mainnet in as little as 4 weeks, with a clear path from MVP to full production launch.
Our engineers specialize in:
- DeFi Protocols: DEXs, lending/borrowing, yield aggregators, and liquidity management.
- NFT Ecosystems: ERC-721A, ERC-1155 with advanced minting, staking, and royalty mechanics.
- Enterprise Logic: Custom multi-signature wallets, token vesting schedules, and DAO governance modules.
Session Key Management
Frequently Asked Questions
Get clear answers on how our secure, scalable session key infrastructure powers your relayers and improves user experience.
Standard implementation and integration takes 2-4 weeks from kickoff to production deployment. This includes architecture design, smart contract development, key management service setup, and integration with your existing relayer infrastructure. Complex multi-chain deployments or custom cryptographic schemes may extend this timeline, which we scope and quote upfront.
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