Blockchain Basics
What is a blockchain, blocks, nodes, consensus, and why immutability matters.
Hands-on guides and short courses covering blockchain basics, smart contracts, Web3, testnets and airdrops. No fluff — practical steps so you can build and experiment.
Labs and step-by-step projects you can run locally and on testnets.
All content available without paywalls—your learning should be free.
No prior crypto knowledge required — start from zero.
What is a blockchain, blocks, nodes, consensus, and why immutability matters.
How transactions work, gas/fees, wallets, addresses and safe key management.
Intro to Solidity, writing and deploying a simple contract on a testnet.
How to use testnets to earn airdrops, run nodes, and participate safely.
Connect your frontend to a smart contract, read events, and send transactions.
We teach blockchain clearly and practically. The goal: give people skills to build and experiment with decentralized systems — for free.
Created and maintained by Vishal — a blockchain enthusiast and testnet participant focused on teaching others how blockchain works and how to take part in early project opportunities.
We do not ask for private keys or seed phrases. Any page that requests a secret is fraudulent — never share secrets. Guides use testnets and demo wallets where possible.
If you find an error or have suggestions, contact us via the form.
Questions, suggestions, or contributions — send a message and we'll reply to the email you provide.
Email: vishalnimavat2004@gmail.com
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