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Smart Contracts

Ship bulletproof smart contracts on time

We turn specifications into maintainable contracts, battle-tested before they hit mainnet and supported long after launch.

  • Senior solidity, Rust and Move engineers
  • Security-first process with automated and manual verification
  • Documentation, runbooks and upgrade strategy included

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.

Where teams get stuck

  • Undefined specifications

    Teams often start development before alignment on invariants, upgradeability or governance hooks.

  • Technical debt

    Copy-pasted contracts and outdated libraries introduce hidden risk and upgrade pain.

  • Audit bottlenecks

    Passing audits requires documentation, tests and swift remediation that overstretched teams struggle to deliver.

What our squad delivers

  • Crystal-clear spec

    Threat models, state diagrams and event maps ensure every stakeholder understands the design.

  • Readable, modular code

    Patterns that are easy to audit, extend and reuse across new product lines.

  • Verification & tooling

    Unit, integration and fuzz tests plus scripts for deployment, upgrades and monitoring.

  • Audit partnership

    We coordinate with auditors, implement fixes and document changes for final approval.

Delivery Framework

How we execute

A proven sequence that keeps discovery, security and launch operations aligned from day one.

01
Specification & modeling

Capture requirements, invariants and upgrade constraints with the team.

02
Architecture design

Select battle-tested libraries and patterns tailored to your chain and risk profile.

03
Implementation & review

Peer review, static analysis and threat modeling occur during development.

04
Verification & documentation

Comprehensive testing matched with docs, runbooks and integration guides.

05
Deployment & support

Deploy, monitor, coordinate audits and transfer knowledge to your internal team.

Why teams pick 7BlockLabs

Specialized squads, reusable accelerators and cross-functional ownership keep your launch on track.

Talk to a solution lead
Senior-only engineers

Avg. 7+ years building smart contracts across EVM, Solana, TON and Cosmos stacks.

Secure by design

We implement patterns that minimize attack surface and support formal verification when needed.

Operational excellence

We document everything—ABI specs, upgrade flows, permission changes and failover plans.

Long-term stewards

We stay engaged for post-launch upgrades, incident response and roadmap execution.

High-impact use cases

Real scenarios where this solution accelerates shipping, compliance and adoption.

Token standards & extensions

ERC-20/721/1155 upgrades, vesting, staking and compliance wrappers.

Protocol primitives

Lending, AMM, NFT marketplaces and bespoke on-chain logic.

Governance & DAO modules

Timelocks, voting, multi-sig orchestration and delegation mechanics.

Infrastructure & tooling

Bridges, middleware, payment channels and cross-chain messaging contracts.

Hire 7BlockLabs

Build, audit and launch with a partner that shares your conviction

We plug in as your blockchain product squad—whether you need a sprint to MVP, hands-on support post raise or an extended core team.

Expertise

Technical breadth that lets you move fast without compromise

Our engineers bring experience across chains, languages and tooling stacks so we can launch and iterate with the best fit technology—not force-fit a favourite.

Ethereum
BNB Chain
Polygon
NEAR
Solana
Avalanche
Arbitrum
Optimism
Aurora
Aptos
Sui
TON
Polkadot
Cosmos
Secret Network
StarkNet
Process

A cooperation model built for clarity and momentum

Structure and communication that keep every engagement transparent. We keep you close to critical decisions without adding overhead.

  1. Our product leads and blockchain architects refine requirements with you, highlighting technical risks, opportunities and measurable outcomes.

  2. We shape a delivery roadmap, resource plan and target architecture so every stakeholder understands the path to mainnet.

Collaboration

Engagement models built around your roadmap

Whether you need a sprint team for a critical launch or an embedded unit to scale long-term, we tailor engagement to your operating rhythm.

Project-Based

Best for: Clear requirements, strict deadline

Fixed scope and timeline to deliver a well-defined MVP or feature set.

  • Fixed deliverables
  • Predictable budget
  • Weekly demos
  • QA & release support
Typical start: 1-2 weeks
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Dedicated Team

Best for: Growing products & ongoing delivery

Cross-functional squad that scales with your roadmap and velocity goals.

  • Engineers + PM/Designer
  • Capacity on demand
  • Sprint rituals
  • Velocity metrics
Typical start: 1-2 weeks
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Retainer / Support

Best for: Post-launch iterations & upkeep

Flexible monthly bucket for improvements, audits, maintenance and on-call support.

  • Monthly hours
  • Priority support
  • Bug SLA
  • Ad-hoc features
Typical start: 1-2 weeks
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Unsure what works best?

Book a 15-min scoping call

FAQ

Answers to the most common questions teams ask during discovery.

Contact

Tell us about the product you want to ship

Share a few details about your initiative. We’ll review, suggest the best collaboration model and set up a call with the right leads.

Prefer direct outreach?

We reply within 24 hours on working days.

We’ll only use your details to respond to this request.

7BlockLabs

Full-stack blockchain product studio: DeFi, dApps, audits, integrations.

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.

© 2025 7BlockLabs. All rights reserved.