Rock'n'Block is a blockchain engineering company that designs and builds the infrastructure and data streaming that protocols, exchanges, wallets, and financial platforms run on. With experience ranging from L1 protocol infrastructure to multi-network architecture-based custodial solutions, Rock'n'Block helps founders launch reliable, scalable products on time and on budget.
Core Development Expertise
- Blockchain Data Streaming Service — Full-stack indexing platforms that collect, process, and transform real-time and historical blockchain data. With custom filtering, smart caching, and reorg management, data flows directly into databases.
- DeFi Protocols — Building full-stack DeFi platforms from AMMs to lending protocols and perpetual DEXs, handling complex financial logic for users.
- Decentralized Derivatives — Full-stack perpetual DEXs tailored to each founder's needs, whether orderbook-based, AMM-based, or custom app chains. Solutions handle funding rates, margin, liquidations, and risk management.
- Prediction Markets — End-to-end prediction market platform development covering core market logic, frontend, and backend with protocol integrations, dashboards, and trading interfaces.
- RWA Tokenization — Smart contract systems for real-world asset tokenization, from real estate and commodities to capital market instruments, with multiple token standards and on-chain compliance.
- Payments Solutions — Infrastructure for high-volume crypto payments managing confirmations, settlements, and integration with custom checkout flows.
Supported Blockchains
- Ethereum
- Stellar
- Solana
- Sonic
- BNB Chain
- TON
- Polygon
- Base
- XDC
- Mezo
Notable Case Studies
- Blum — Implemented a Firehose/Substreams indexing stack delivering 10k+ RPS, low-latency streaming, and stable reorg handling for their 65M-user multi-chain platform. Tech: Go, Rust.
- SwapX — Built a ve(3,3) DEX on Sonic with AMM and CLMM integrated with ICHI for automated liquidity, a Voting Escrow and rewards system, and 30+ interconnected smart contracts. Tech: Solidity, GraphQL, React, Python, TypeScript.
- Squirrel Wallet — Delivered a self-custodial mobile crypto wallet with on-device key management, social recovery via Guardians using sharded secrets, and provider-agnostic rails for swaps and fiat on-ramps. Tech: Python, PostgreSQL, Django, TypeScript, Solidity, React.
Why Choose Rock'n'Block
- Specialized in blockchain engineering for financial infrastructure.
- Experience from L1 protocol infrastructure to multi-network custodial solutions.
- Full-stack development across DeFi, DEXs, prediction markets, RWA tokenization, and payments.
- Support for 10+ blockchains including Ethereum, Solana, BNB Chain, Polygon, and TON.
- Proven track record with notable projects like Blum (65M users), SwapX, and Squirrel Wallet.
- Expertise in blockchain data streaming with Firehose/Substreams indexing.
- End-to-end development from smart contracts to frontend and backend.
