Design, build and launch production dApps with secure smart contracts and great UX.
Protocol and infrastructure engineering tailored to scalability, security and cost.
Comprehensive audits with actionable findings to harden your contracts and apps.
Integrate wallets, chains and on-chain data into your existing products seamlessly.
Technical due diligence, tokenomics and materials that help you raise with confidence.
Asset and message bridge implementations with rigorous security best practices.
Interoperable architectures enabling users to move value across ecosystems.
End-to-end product delivery: front-end, contracts, infra and observability.
AMMs, lending, staking and yield systems engineered for safety and capital efficiency.
Central-limit order books and swap DEXes with performant indexers and analytics.
Battle-tested smart contracts with test suites, audits and upgrade paths.
Dashboards and tooling to manage digital assets across chains and wallets.
Real-world assets and on-chain representations with compliant token standards.
Fungible and non-fungible token contracts, vesting and distribution tooling.
High-performance apps and tokens tailored for the TON ecosystem.
On-chain game economies, marketplaces and player inventory systems.
Primary/secondary sales platforms with royalties, auctions and trait filters.
Metadata pipelines, minting flows and wallet integrations for NFTs.
Submit your contracts for a free security quick-scan.
Submit your token model for a free stress test.
Pre-launch yes/no checklist before audits and mainnet.
Complete delivery framework for Web3 security engineering.
Answers on security architecture, scalability and L1/L2 choices.
Paste contract code and get instant vulnerability triage.
Model liquidity premium and fee upside from tokenization.
Stress-test purchasing power with digital asset allocations.
Benchmark metrics against 2026 DePIN seed expectations.
Explore the full zero-sales funnel library.
We turn specifications into maintainable contracts, battle-tested before they hit mainnet and supported long after launch.
What this unlocks
Design and deliver production-grade smart contracts with security reviews, upgrade paths and crystal-clear documentation.
Need a tailored mix? We combine solutions into a custom program aligned with your roadmap.
Teams often start development before alignment on invariants, upgradeability or governance hooks.
Copy-pasted contracts and outdated libraries introduce hidden risk and upgrade pain.
Passing audits requires documentation, tests and swift remediation that overstretched teams struggle to deliver.
Threat models, state diagrams and event maps ensure every stakeholder understands the design.
Patterns that are easy to audit, extend and reuse across new product lines.
Unit, integration and fuzz tests plus scripts for deployment, upgrades and monitoring.
We coordinate with auditors, implement fixes and document changes for final approval.
A proven sequence that keeps discovery, security and launch operations aligned from day one.
Capture requirements, invariants and upgrade constraints with the team.
Select battle-tested libraries and patterns tailored to your chain and risk profile.
Peer review, static analysis and threat modeling occur during development.
Comprehensive testing matched with docs, runbooks and integration guides.
Deploy, monitor, coordinate audits and transfer knowledge to your internal team.
Specialized squads, reusable accelerators and cross-functional ownership keep your launch on track.
Avg. 7+ years building smart contracts across EVM, Solana, TON and Cosmos stacks.
We implement patterns that minimize attack surface and support formal verification when needed.
We document everything ABI specs, upgrade flows, permission changes and failover plans.
We stay engaged for post-launch upgrades, incident response and roadmap execution.
Real scenarios where this solution accelerates shipping, compliance and adoption.
ERC-20/721/1155 upgrades, vesting, staking and compliance wrappers.
Lending, AMM, NFT marketplaces and bespoke on-chain logic.
Timelocks, voting, multi-sig orchestration and delegation mechanics.
Bridges, middleware, payment channels and cross-chain messaging contracts.
Free Architecture Review
In 30 minutes we will review your smart contract architecture, flag security risks, and map the fastest path to audit-ready deployment. No pitch deck, no obligation.
Our engineers ship across chains, languages and tooling, so we use the best fit, not force-fit a favourite.
Structure and communication that keep every engagement transparent. We keep you close to critical decisions without adding overhead.
Our product leads and blockchain architects refine requirements with you, highlighting technical risks, opportunities and measurable outcomes.
We shape a delivery roadmap, resource plan and target architecture so every stakeholder understands the path to mainnet.
Ready to start at Step 1?
Book a scoping callWhether you need a sprint team for a critical launch or an embedded unit to scale long-term, we tailor engagement to your operating rhythm.
From $5,000
Fixed scope and timeline to deliver a well-defined MVP or feature set.
From $8,000/mo
Cross-functional squad that scales with your roadmap and velocity goals.
From $3,000/mo
Flexible monthly bucket for improvements, audits, maintenance and on-call support.
Unsure what works best?
Book a 15-min scoping callAnswers to the most common questions teams ask during discovery.
Share a few details and a senior engineer will respond within 24 hours with initial architecture recommendations. No sales pitch, just technical guidance.
Prefer direct outreach?
We reply within 24 hours on working days.
7Block Labs is a trading name of JAYANTH TECHNOLOGIES LIMITED.
Registered in England and Wales (Company No. 16589283).
Registered Office address: Office 13536, 182-184 High Street North, East Ham, London, E6 2JA.
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