Smart contracts, DeFi & indexers
end-to-end
We design and build secure smart contracts, on-chain/off-chain indexers, analytics pipelines, and integrations. Solana, Ethereum, TON. Rust, Solidity, Move.
Core Expertise
- DeFi: AMM/CLMM, lending, auctions, vesting
- NFT: mint, royalties, merges, collections
- Indexers & analytics: ClickHouse, Kafka/RabbitMQ
- Security: reviews, fuzzing, property-tests
Services
Smart Contracts
Architecture, development, testing, and deployment. Built-in invariants and compute/gas optimization.
- Token/NFT/Marketplace
- AMM/CLMM, auctions, vesting
- Migrations & version upgrades
Security & Audit
Manual reviews, property-based & differential tests, fuzzing, static analysis, and attack modeling.
- Security requirements & threat modeling
- Prioritized audit report
- Fix-support & re-validation
Indexers & Analytics
Streaming transaction processing, decoders, data marts, and monitoring.
- RabbitMQ/Kafka → ClickHouse
- gRPC/WebSocket ingest
- Alerts & dashboards
Technology
On-chain
Solana (Rust/Anchor), Ethereum (Solidity/Foundry), TON (FunC/TACT), Sui/Move, Tezos.
- Compute/gas optimization & PDA/Storage design
- IDL/ABI generation, codecs, log decoders
- Formal invariants & simulations
Off-chain
Rust/Go/Python/TypeScript, ClickHouse, PostgreSQL, Redis, NATS/RabbitMQ, gRPC.
- Indexers, ETL, CDC, real-time analytics
- Monitoring & notification services
- Integrations with exchanges/aggregators
Case Studies
DEX CLMM on Solana
Concentrated-liquidity pools, limit orders, oracles, sandbox & front-run protections.
- ~2.5× compute per-swap reduction
- Indexer → ClickHouse (< 1s lag)
- Property-test suite
NFT Marketplace
Royalties, auctions, lazy-mint, merge mechanics, and cross-chain bridges.
- Fraud detection & risk lists
- Collection analytics & reporting
MEV / Tx Processing
Priority fees, simulations, bundles, and anomaly alerting.
- 18% fewer failed transactions
- Price-drift / volatility spike detection
Process
Engagement Models
Sprint
Fixed outcome in 1–2 weeks.
- Scope list & roadmap
- 2× weekly status sync
Dedicated
Dedicated engineer/team for your product.
- Flexible task priorities
- Extended support
Audit
Independent review of contracts and infrastructure.
- Risk scoring & recommendations
- Fix re-validation