A recent MVP developed by 7Block Labs raised $80k in pre-seed funding.
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Blockchain native product team

Your Web3 Product, Shipped. No Bullshit.

Stop juggling freelancers and negotiating with audit firms. We are your end-to-end blockchain dev team, delivering battle-tested code so you can focus on your business, not your tech stack.

You have the vision, the deck, and the pressure to deliver. What you don't have is a reliable, full-stack team that won't disappear mid-project or hand you a smart contract full of rookie mistakes that gets you hacked. We fix that.

What we deliver

Battle-tested product teams on demand.

Pair senior protocol engineers with product leadership for clear roadmaps, fast iteration, and secure releases.

  • 01

    Full-stack dApp delivery

    Smart contracts, front-end and infra shipped with automated testing and observability.

  • 02

    Security-first engineering

    Auditors embedded into delivery to surface issues before launch day.

  • 03

    Protocol-native expertise

    Experienced across EVM, Solana, Cosmos SDK, Substrate, TON and rollup ecosystems.

“Their team translated a complex protocol design into production code in half the expected time.”

Founder, DeFi infrastructure startup

Trusted by teams from

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Web3 Development, Without the Ghosting.
Your Outsourced CTO & Dev Team. Vetted.
We Build. You Scale.
From Whitepaper to Mainnet. We Handle the Hard Parts.
Blockchain Dev That Doesn't End in a Disaster.
Serious Protocols for Serious Builders.
Solutions

We take care of blockchain development from concept to scale

Our squads ship production-grade protocol components, integrations and experiences. Choose the track you need or let us design the bespoke mix that accelerates your roadmap.

Enterprise

Enterprise Solutions

Bring your company to the next level with innovative blockchain infrastructure, custom governance and verifiable data trails.

  • DAO & governance platforms
  • Blockchain micropayments
  • Supply chain & traceability
Integration

Blockchain Integration

Expand the possibilities of your business by connecting wallets, bridges and on-chain data to your existing products.

  • Centralized & hybrid exchanges
  • Decentralized marketplaces
  • CRM / ERP blockchain integrations
Ecosystems

Blockchain Ecosystems

Launch new protocols or extend existing networks with validators, on/off ramps and aligned token economics.

  • Token launches & vesting
  • Custom L1 / L2 deployments
  • Cross-chain bridges & messaging
Dev Tools

Developer Tooling

Attract external builders with SDKs, documentation and testing sandboxes that make shipping on your chain effortless.

  • SDKs & API gateways
  • CLI / IDE extensions
  • Analytics dashboards & explorers
Services

We Solve Your "How?", So You Can Own The "What's Next?"

You're here because you need more than a coder. You need a dApp built, a token launched, a DeFi protocol secured, or an NFT project shipped. You need it to work, to be safe, and to not become a technical nightmare down the line.

We don't just write code; we engineer systems with your survival in mind. Every contract is built for an adversarial environment. Every architecture is designed to scale without breaking. We give you the technical due diligence you need to raise funds and the robust product you need to keep them.

Technical debt in Web3 isn't an inconvenience; it's an existential threat. A vulnerability isn't a bug; it's a bank heist. Partnering with anyone less than relentless is a bet you can't afford to make. Your reputation and your users' assets are on the line from day one.

Strategy

Product discovery & protocol architecture

Shape the right build with user research, technical diligence, tokenomics and a roadmap that aligns stakeholders.

  • Protocol & application architecture docs
  • Market and risk analysis
  • Delivery roadmap with team plan
  • Tokenomics & go-to-market plan

Build

Full-stack blockchain product delivery

Ship smart contracts, front-ends, mobile apps and the infrastructure required to monitor and scale in production.

  • Secure smart contracts with test suites
  • Front-end / mobile experiences
  • Indexer, API & observability setup
  • Deployment orchestration & automation

Security

Security audits & continuous assurance

Identify vulnerabilities before attackers do. Combine manual review with automated coverage and follow-up remediation.

  • Threat modeling & risk scoring
  • Manual & automated audit passes
  • Actionable remediation guidance
  • Post-launch monitoring & alerts

Scale

Post-launch growth & operations

Iterate with confidence through retainers covering optimization, new features, performance tuning and data.

  • Velocity-focused retainers
  • Prioritized backlog management
  • Ongoing performance improvements
  • Analytics & growth experiments

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
Talk to us

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
Talk to us

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
Talk to us

Unsure what works best?

Book a 15-min scoping call
Team

The leadership guiding protocol, product and growth

Our leads pair venture-backed experience with deep protocol engineering roots. Every engagement taps into founders who have shipped and scaled web3 products.

Jay K

Jay K

Founder & CEO

Insights

From audits to growth loops — learnings from the 7BlockLabs crew

We document the frameworks, checklists and hard-earned lessons that shape how we build blockchain products with our partners.

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FAQ

Answers to common questions about partnering with 7BlockLabs

Can’t find what you’re looking for? Reach out and we’ll share more context on how we work and what we can ship together.

FAQ

Your blockchain questions, answered

Quick, straightforward answers about our blockchain development services, tech stack, locations, and post‑launch support.

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.