Blockchain Development Services
We build blockchain products that solve real problems — from audited smart contracts and decentralised apps to NFT platforms, tokenised assets and immersive metaverse experiences. Security-first engineering, clear economics and user experiences that don't require a crypto degree.
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The more you tell us, the sharper the first reply.
- Security-first smart contracts
- Independent audit coordination
- EVM, Solana & Layer-2 expertise
- Web2-simple user experiences
Next-Gen Blockchain Development With Real-World Utility
Blockchain's promise — transparent records, programmable ownership and trust without intermediaries — only matters when it's applied to the right problem and engineered without shortcuts. Smart contracts can't be patched like normal software, so mistakes are expensive and permanent.
Our blockchain team combines protocol engineers, smart contract developers, security reviewers and product designers. We validate whether blockchain is the right fit, design token and contract architecture carefully, and build interfaces that make Web3 feel as easy as any modern app.
- Blockchain products launched
- 40+
- Chains and Layer-2 networks supported
- 10+
- Contracts tested before mainnet
- 100%
Find Your Path
Where are you starting from?
Most teams come to us in one of three situations. Pick the one that matches yours.
- 01I have a Web3 idea to buildYou have a concept for a token, dApp, NFT project or metaverse experience. We validate feasibility, design the architecture and take it to launch.Jump to cost and timeline
- 02I want to add blockchain to an existing productYou run a Web2 platform and want tokenisation, NFTs or on-chain records. We integrate blockchain without disrupting your users.See what we build
- 03I need blockchain engineersYou have a Web3 roadmap but need Solidity, Rust or protocol developers. We embed experienced engineers in your team.See staff augmentation
Ready to Build a Blockchain Product People Actually Use?
Talk to a Blockchain ArchitectBlockchain Development Services for Web3 and Enterprise
Full-cycle blockchain engineering, from token design and smart contracts to the apps, marketplaces and virtual worlds your users interact with.
Start Your Blockchain ProjectMetaverse Development
Immersive 3D worlds, virtual showrooms and VR experiences with digital ownership built in.
Explore Metaverse DevelopmentNFT Development
NFT smart contracts, marketplaces and utility programs that give digital assets real value and ownership.
Explore NFT DevelopmentSmart Contract Development
Secure, gas-optimised smart contracts in Solidity and Rust, tested thoroughly and prepared for independent audit.
Discuss this with our teamdApp Development
Decentralised applications with intuitive front ends, wallet connections and reliable on-chain data.
Discuss this with our teamCrypto Wallets & Exchanges
Custodial and non-custodial wallets, payment gateways and exchange platforms with strong security.
Discuss this with our teamAsset Tokenisation
Tokenise real estate, securities, loyalty points and real-world assets with compliance-aware architecture.
Discuss this with our teamDeFi Development
Lending, staking, liquidity and yield protocols engineered with rigorous economic and security design.
Discuss this with our teamWondering If Blockchain Is Right for Your Idea?
Book a Free Feasibility CallTrusted By Leaders,Proven By Results
How Much Does Blockchain Development Cost?
Three clear packages, from a £3,730 smart contract or token to custom blockchain platforms. Third-party security audits are coordinated with an independent firm and quoted separately.
Essential
Smart contract / token£3,730
Best for startups and businesses launching a token, smart contract, or basic Web3 application.
- Blockchain consultation and planning
- Smart contract development
- ERC-20 or ERC-721 token creation
- Token minting and transfer functionality
- MetaMask or WalletConnect integration
- Basic dApp frontend interface
- Token dashboard and transaction display
- Testnet deployment and testing
- Basic smart contract security review
- Gas optimisation
- Mainnet deployment assistance
- Source code and documentation handover
- 2 revision rounds
- 30 days post-launch bug support
Estimated delivery: 4–6 weeks
Get StartedProfessional
dApp / NFT marketplace£9,710
Best for growing Web3 businesses requiring decentralised applications and marketplace functionality.
- Everything in Essential
- Custom Web3 UI/UX design
- Advanced smart contract development
- NFT marketplace or custom dApp
- Multi-wallet connection support
- NFT minting, listing and purchasing
- Blockchain payment integration
- Custom backend and API development
- User profiles and admin dashboard
- Blockchain transaction monitoring
- IPFS or decentralised storage setup
- Basic blockchain data indexing
- Security and performance testing
- External smart contract audit preparation
- 3 revision rounds
- 60 days post-launch bug support
Estimated delivery: 8–12 weeks
Get StartedEnterprise
Custom blockchain platformCustom
Best for enterprises building advanced blockchain ecosystems, DeFi platforms, and private blockchain networks.
- Everything in Professional, as applicable
- Custom blockchain architecture
- Advanced DeFi and tokenisation solutions
- Multi-chain and Layer-2 integrations
- Private blockchain and Hyperledger Fabric
- Complex smart contract ecosystems
- Custom staking and rewards systems
- Cross-chain interoperability
- Enterprise API and system integrations
- Blockchain analytics and dashboards
- Node and cloud infrastructure setup
- Advanced security and compliance controls
- Independent security audit coordination
- Dedicated blockchain development team
- Priority technical support and maintenance
Timeline and pricing based on project scope
Request a QuoteFinal pricing is confirmed after technical discovery. Third-party audit fees are quoted separately. Prices are shown in GBP, converted from our US dollar price list.
Need a Realistic Estimate for Your Web3 Project?
Get a Project EstimateOur Blockchain Development Process
On-chain code is permanent, so we invest heavily in design and testing before anything reaches mainnet.
- 01
Requirements Analysis
We define goals, users and whether blockchain genuinely adds value, then choose the right chain and approach.
- 02
Architecture & Tokenomics
Contract architecture, token economics and on/off-chain responsibilities are designed and documented.
- 03
Prototyping
A testnet prototype validates contract logic, user flows and wallet experience early.
- 04
Development
Smart contracts, back end and front end built in sprints with continuous testing.
- 05
Testing & Audit
Unit, integration and fuzz testing, internal security review and coordination with independent auditors.
- 06
Deployment & Support
Mainnet deployment, monitoring, upgrades through governance and ongoing support.
Security Standards in Blockchain Development
Smart contracts hold real value and can't be quietly patched. These are the security practices every blockchain project goes through.
SWC & Known Vulnerabilities
Contracts reviewed against the Smart Contract Weakness Classification and common attack patterns.
OpenZeppelin Standards
Battle-tested libraries for tokens, access control and upgradeability.
100% Branch Test Coverage
Comprehensive unit and integration tests targeting every code path.
Fuzz & Invariant Testing
Automated testing with randomised inputs to find edge-case failures.
Independent Audits
Coordination with reputable third-party auditors before mainnet launch.
Multi-Sig & Timelocks
Admin actions protected by multi-signature wallets and delays.
KYC/AML Integration
Compliance-aware flows for regulated tokens and financial products.
Key Management
Secure handling of keys with hardware and MPC-based solutions.
Blockchain Platforms We Specialise In
We choose chains and tools based on your users, costs, speed and security needs — not hype.
- Ethereum
- Polygon
- Solana
- Arbitrum
- Base
- BNB Chain
- Hyperledger Fabric
- Solidity
- Rust
- Hardhat
- Foundry
- OpenZeppelin
- React
- Next.js
- TypeScript
- ethers.js
- wagmi
- WalletConnect
- IPFS
- The Graph
- Chainlink
- Alchemy
- Node.js
- Docker
High-Value Features for Web3 Products
The capabilities that make blockchain products secure, usable and ready for mainstream users.
- 01Embedded Wallets
- 02Gasless Transactions
- 03Fiat On-Ramps
- 04Royalty Enforcement
- 05Token Vesting
- 06Staking & Rewards
- 07On-Chain Governance
- 08Cross-Chain Bridging
- 09Real-Time Indexing
- 10Admin & Analytics Dashboards
Industries We Serve as a Blockchain Development Company
Blockchain adds value where trust, ownership and transparency matter most. These are the sectors we build for.
- 01
Fintech & DeFi
Payments, lending, staking and digital asset platforms.
- 02
Gaming
True ownership of in-game assets and player-driven economies.
- 03
Real Estate
Tokenised property, fractional ownership and transparent records.
- 04
Supply Chain
Provenance, traceability and anti-counterfeiting.
- 05
Healthcare
Secure, auditable data sharing and consent management.
- 06
Media & Entertainment
NFT collectibles, ticketing and creator royalties.
- 07
Retail & Loyalty
Tokenised rewards and digital product passports.
- 08
Government & Public
Transparent records, credentials and identity.
Worried About Smart Contract Security?
Request a Security ReviewWhy Choose 360 Digital Online for Blockchain Development?
We build blockchain products with the rigour that permanent, value-bearing code demands — and the product sense to make them usable.
Security Above All
Defensive design, exhaustive testing and independent audits protect your users and your reputation.
Honest Fit Assessment
If a traditional database is the better answer, we'll tell you. Blockchain is used only where it adds real value.
Mainstream-Ready UX
Embedded wallets, gas sponsorship and familiar logins remove the friction that keeps users away from Web3.
Multi-Chain Expertise
Experience across EVM chains, Solana and Layer-2 networks lets us pick the right platform for your needs.
Where Blockchain Is Heading Next
Emerging blockchain capabilities we're already building with.
- 01
Account Abstraction
Smart accounts with social recovery, batched transactions and sponsored gas for Web2-like experiences.
- 02
Real-World Asset Tokenisation
Bringing bonds, property and commodities on-chain with compliance built in.
- 03
Zero-Knowledge Proofs
Prove facts — identity, credentials, solvency — without revealing the underlying data.
- 04
Layer-2 Scaling
Rollups that cut transaction costs dramatically while inheriting Ethereum security.
- 05
AI + Blockchain
Verifiable AI outputs, on-chain agents and decentralised data marketplaces.
- 06
Decentralised Identity
Portable, user-controlled identity and verifiable credentials.
Ready to Begin Your Blockchain Journey?
Start Your ProjectBlockchain Development FAQs
How much does blockchain development cost?
A smart contract or token starts at £3,730, and a dApp or NFT marketplace at £9,710. Custom blockchain platforms, DeFi products and private networks are priced on scope. Independent security audits are quoted separately.
How long does it take to build a blockchain app?
A token launch can take 4–8 weeks, a dApp or marketplace 3–6 months, and complex protocols 6–12 months including testing and audits.
Which blockchain should we build on?
It depends on your users, transaction volume, costs and security needs. Ethereum and its Layer-2s suit most DeFi and NFT projects; Solana suits high-throughput consumer apps; permissioned chains suit enterprise consortia.
Are your smart contracts audited?
Every contract undergoes extensive internal testing and review. For mainnet launches handling real value, we strongly recommend and coordinate independent third-party audits.
Do users need a crypto wallet?
Not necessarily. We can implement embedded wallets with email or social login and sponsor gas fees, so users interact without managing keys or tokens.
Is blockchain right for my business?
Blockchain helps when multiple parties need shared, tamper-evident records or programmable ownership. We assess fit honestly during discovery.
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