We architect and deploy audit-ready smart contracts for tokens, DeFi protocols, and NFT platforms. Our development process is built on Solidity 0.8+ with OpenZeppelin standards, ensuring security from day one. Deliverables include full technical specifications, gas-optimized code, and comprehensive test suites.
Anonymous Reputation & Soulbound Token (SBT) Architecture
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155with minting, vesting, and governance modules. - DeFi Logic: Automated Market Makers (AMMs), staking pools, yield aggregators, and lending/borrowing protocols.
- Enterprise Features: Upgradeability via proxies, multi-signature admin controls, and compliance hooks for regulatory requirements.
- Full Audit Support: Code is structured for seamless review by firms like CertiK or Trail of Bits.
We deliver a production-ready MVP in 2-4 weeks, backed by a 99.9% uptime SLA for deployed contracts. Our focus is on eliminating vulnerabilities and reducing time-to-market for your core product.
Core Architecture Components We Deliver
We build the modular, secure, and scalable infrastructure that powers your on-chain reputation and identity systems. Each component is production-ready, audited, and designed for seamless integration.
Soulbound Token (SBT) Smart Contracts
Custom ERC-721 and ERC-1155-based SBTs with non-transferability enforcement, revocation logic, and on-chain metadata attestations. Built with OpenZeppelin standards and gas-optimized for high-volume minting.
Anonymous Reputation Aggregator
Zero-Knowledge (ZK) circuits and verifiers that compute reputation scores from private inputs (e.g., transaction history, credentials) without exposing underlying data. Enables privacy-preserving user verification.
Reputation Oracle & Data Feeds
Secure oracles that fetch, compute, and deliver verifiable off-chain data (social, DeFi, DAO activity) to smart contracts. Includes fraud-proof mechanisms and decentralized node operators.
Access Control & Permission Layer
Flexible rule engine for gating actions (minting, voting, access) based on SBT holdings or reputation scores. Implements role-based (RBAC) and attribute-based (ABAC) access patterns.
Business Outcomes for Your Platform
Our Anonymous Reputation & SBT Architecture delivers concrete infrastructure advantages, moving your project from concept to secure, scalable production.
Trustless User Onboarding
Implement Sybil-resistant reputation systems using zero-knowledge proofs, enabling user verification without exposing personal data. Reduce fake account creation by 95%+.
Portable Reputation Layer
Deploy SBTs (ERC-5192/4973) to create non-transferable, composable user credentials. Enable seamless reputation portability across your DeFi, gaming, and governance dApps.
Enhanced Governance Security
Leverage SBT-gated voting to prevent whale dominance and airdrop farming. Achieve fair, reputation-weighted governance with on-chain audit trails.
Regulatory-Compliant Design
Architect systems with privacy-by-design, using anonymous attestations to satisfy KYC/AML requirements without centralized data storage.
Scalable Reputation Graphs
Build and query complex reputation graphs (e.g., EigenLayer, Gitcoin Passport integrations) with sub-second latency for real-time credential checks.
Reduced Operational Overhead
Eliminate manual review and centralized credential management. Automate reputation issuance and revocation with smart contract-based logic, cutting admin costs by 70%.
Structured Development Packages
Compare our tiered service packages for Anonymous Reputation & SBT architecture, designed to scale with your project from MVP to enterprise-grade production.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Anonymous Reputation System Design | |||
SBT Architecture & Smart Contract Suite | Basic (ERC-721S) | Advanced (ERC-5192 + Extensions) | Custom (Gas-optimized, Multi-chain) |
Smart Contract Audit (External) | 1 Round | 2 Rounds + Formal Verification | Continuous (Included in SLA) |
On-Chain Data Indexer Setup | |||
ZK-Proof Integration for Privacy | Consultation Only | Basic (Semaphore/RLN) | Custom (Plonky2, Halo2) |
Deployment & Mainnet Launch Support | |||
Post-Deployment Monitoring & Alerting | 30 Days | 6 Months | 24/7 with SLA |
Incident Response Time | Business Hours | < 1 Hour | |
Team Training & Documentation | Basic Docs | Workshops + Runbooks | Dedicated Technical Account Manager |
Estimated Timeline | 4-6 Weeks | 8-12 Weeks | Custom |
Starting Price | $25,000 | $85,000 | Custom Quote |
Our Development & Integration Process
A structured, security-first approach to architecting and deploying your on-chain reputation layer. We deliver production-ready systems, not just prototypes.
Architecture & Design Review
We analyze your use case to design a custom SBT and reputation model. This includes selecting the optimal standard (ERC-721, ERC-1155, or custom), defining attribute schemas, and mapping privacy requirements to zero-knowledge proofs or selective disclosure patterns.
Smart Contract Development
Implementation of gas-optimized, upgradeable smart contracts for SBT minting, burning, and attribute management. Built with Solidity 0.8+ and OpenZeppelin libraries, following security best practices from day one.
Privacy & Verification Layer
Integration of zero-knowledge circuits (using Circom or Noir) or secure off-chain attestation services to enable anonymous reputation verification. We ensure proofs are efficient and verifier contracts are cost-effective.
Security Audit & Testing
Comprehensive unit, integration, and scenario testing followed by a formal audit. We facilitate reviews with third-party auditors like Spearbit or Code4rena and implement all critical findings before mainnet deployment.
Deployment & Integration Support
We manage the mainnet deployment, configure multi-sig wallets for admin functions, and provide full documentation and SDKs. Our team supports your engineers through the full integration lifecycle.
Build vs. Buy: ZK Reputation System
A detailed comparison of the time, cost, and risk associated with developing a ZK-powered reputation system in-house versus leveraging Chainscore's production-ready architecture.
| Factor | Build In-House | Chainscore |
|---|---|---|
Time to Production | 6-12+ months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $80K - $200K |
Core Team Required | 3-5 Senior Engineers | Your Product Team |
ZK Circuit Expertise | Must hire/develop | Included (Our Team) |
Smart Contract Security | High Risk (Unaudited) | Low Risk (Pre-Audited) |
Ongoing Maintenance & Upgrades | Your DevOps & Eng Team | Optional Managed SLA |
Protocol Upkeep (EIPs, Hard Forks) | Your Responsibility | We Handle Compliance |
Total Cost of Ownership (Year 1) | $400K - $1M+ | $120K - $300K |
Guaranteed Uptime SLA | None (Self-Managed) | 99.9% |
Integration Support | Self-Service | Dedicated Technical Lead |
Frequently Asked Questions
Get clear answers on how we design and implement privacy-first, verifiable identity systems for Web3 applications.
A standard implementation takes 4-8 weeks from initial design to mainnet deployment. This includes a 1-week discovery phase, 2-3 weeks for smart contract development and testing, 1-2 weeks for integration with your frontend, and a final week for security audits and deployment. Complex systems with custom zero-knowproof circuits or multi-chain attestations may extend to 12 weeks.
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.