At Digisailor, we’ve trained, mentored, and deployed developers in real-world blockchain projects—from token launches to DePIN and RWA platforms. In this blog, we’ll walk you through the technical roadmap to begin your blockchain journey and how Digisailor’s Blockchain Internship Gateway can help you accelerate it.
Before you write your first line of smart contract code, it’s important to grasp the core principles of blockchain technology:
• What is a blockchain?
A decentralized ledger secured by cryptography and consensus mechanisms like Proof of Work (PoW), Proof of Stake (PoS), or BFT.
• How transactions work:
Nonce → Signature → Gas Estimation → Block Finalization → State Change
• Difference between Layer 1 and Layer 2:
Learn about Ethereum, Solana, Cosmos (L1) and Optimism, Arbitrum, zkSync (L2).
• Token standards:
ERC-20, ERC-721, ERC-1155, SPL Tokens (Solana), CW20 (CosmWasm)
📚 Suggested learning platforms: Alchemy University, CryptoZombies, LearnWeb3, YouTube (Dapp University, Simply Explained)
🧠 For Ethereum (EVM-based) Developers:
• Language: Solidity
• Frameworks: Hardhat, Foundry, Truffle
• Tools: Remix IDE, Ganache, Metamask
• Libraries: Ethers.js, Web3.js
⚙️ For Solana Developers:
• Language: Rust
• Frameworks: Anchor
• Tools: Solana CLI, Phantom Wallet, Devnet/Testnet
🌌 For Cosmos SDK (Appchain/L1):
• Language: Go (Cosmos SDK) or Rust (CosmWasm)
• Concepts: Tendermint consensus, IBC, staking modules
You can start by building:
• A basic ERC-20 or SPL token
• NFT minting contract
• Voting or DAO smart contract
• A full-stack dApp with React + Solidity + IPFS
Deploying smart contracts to testnets allows you to test functionality without spending real tokens.
Chain Testnet
Ethereum Goerli, Sepolia
Solana Devnet
Polygon Mumbai
Cosmos Dockernet or Game of Chains
📌 Learn to:
• Deploy & verify contracts
• Connect front-end apps with Wallets (Metamask, Phantom)
• Use The Graph for on-chain data indexing
Real growth comes from building in public and engaging with the community.
• Join Discord servers of Ethereum, Solana, Cosmos, etc.
• Participate in hackathons (ETHGlobal, Encode Club, Solana Hacker Houses)
• Follow industry updates on Twitter, GitHub, and Mirror.xyz
• Contribute to open-source projects and DAOs
To stand out as a blockchain developer, build a strong portfolio:
• GitHub projects with smart contracts and dApp integrations
• Technical blogs on your learning journey
• Contributions to real protocols like Uniswap, Compound, SPL libraries, etc.
• Video demos or interactive links to your deployed projects
Once you’ve covered the basics, the best way to grow is to build real-world applications. That’s where Digisailor comes in.
🌐 Digisailor Blockchain Internship Gateway
A hands-on, guided internship program for blockchain tech aspirants.
📌 Tracks Offered:
• EVM/Solidity Development
• Solana + Rust Smart Contracts
• Cosmos SDK AppChain Development
• AI + Blockchain Integration (DePIN, ESG, RWA, etc.)
💼 Internship Highlights:
• Mentorship from industry-grade architects
• Deployment to internal & client-based blockchain projects
• Exposure to DeFi, NFT, RWA, and Carbon Credit systems
• Certificate + placement support + GitHub project review
📍 Locations Available:
• Tuticorin (HQ)
• Tirunelveli
• Vilathikulam (Blockchain Hub)
• Tindivanam
• Chennai
• Online – Pan India
📩 Apply now: careers@digisailor.com
🌐 Website: www.digisailor.com
Blockchain development isn’t just a skill—it’s a career-defining opportunity. If you’re serious about learning, building, and transforming industries with decentralized tech, now is the time to jump in.
Let Digisailor be your gateway into the world of Web3.
Digisailor is one of the top blockchain development companies in Tamil Nadu, known for delivering enterprise-grade solutions across DeFi, NFT platforms, RWA tokenization, and ESG tracking systems. We specialize in Ethereum, Solana, and Cosmos SDK-based development. Alongside services, we also offer blockchain internships and training programs for students and professionals across Tuticorin, Tirunelveli, Chennai, Tindivanam, Vilathikulam, and Online—making us a leading destination for blockchain careers in South India.
