// Area 6

Blockchain & Web3

End-to-end development on Ethereum/Polygon/Arbitrum/Solana — strategic consulting, audited smart contracts, real-world asset tokenisation, dApps, NFTs with utility, crypto payments and blockchain notarisation.

// 8 services in this area

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Strategic Blockchain Consulting

Feasibility assessment, process analysis for real value, network/architecture choice, cost estimate, roadmap.

[INTERNO] SOV-EU
2-4 weeks €3.000 – €12.000
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Smart Contract Development

Design, development, deployment and basic audit of smart contracts on EVM networks and Solana.

[INTERNO] SOV-CHAIN
4-12 weeks €5.000 – €40.000
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Asset Tokenisation (RWA)

Tokenisation of real-world assets (real estate, art, company shares) with smart contracts and legal compliance.

[IBRIDO] SOV-CHAIN
2-6 months €10.000 – €60.000
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dApp · Decentralised Applications

Web3 frontend with wallet connect, smart contract integration, UX for non-crypto users, on-chain analytics.

[INTERNO] SOV-CHAIN
2-5 months €8.000 – €50.000
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NFTs & Digital Collectibles

NFT collection design with utility, ERC-721/1155 smart contracts, minting page, marketplace, IPFS.

[IBRIDO] SOV-CHAIN
4-10 weeks €5.000 – €30.000
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Crypto Payments Integration

Crypto gateway on e-commerce with stablecoins (USDC, USDT, DAI), fiat conversion and accounting reporting.

[INTERNO] SOV-CHAIN
2-4 weeks €2.000 – €10.000
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Blockchain Registers and Notarisation

Timestamping and notarisation of documents on a public blockchain with proof of existence and integrity.

[INTERNO] SOV-CHAIN
4-8 weeks €5.000 – €25.000
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Blockchain & Web3 Training

Workshops on blockchain fundamentals, smart contracts, tokenomics, use cases, risks and opportunities.

[INTERNO] SOV-EU
2-4 hour sessions (on-site or remote) €500 – €3.000 per session
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// Consolidated stack in this area

Solidity Hardhat Foundry ethers.js viem Polygon Arbitrum IPFS React Next.js wagmi Tailwind

// When you need this area

If you are considering blockchain & web3 for your organization, we start with a free discovery call to frame the real need. Often the stated problem is not the one to solve — and understanding that before the quote avoids the wrong work.

// Explore other areas

Web & Digital Development →

Websites, e-commerce, web apps, mobile and legacy system modernisation.
Artificial Intelligence & Automation →

AI chatbots, RPA, local LLMs and analytics dashboards.
Digital Marketing →

Strategy · social · advertising · photography · video · branding · SEO.
$ Let's talk →