Cryptocurrencies

Lesson in the Blockchain Roadmap · Stage 4: Smart Contracts

Last updated 14 September 2026

What is Cryptocurrencies?

Cryptocurrencies are digital or virtual currencies that use cryptography for security. They operate independently of a central bank and are often decentralized, meaning no single entity controls them. Transactions are typically recorded on a distributed public ledger called a blockchain.

Study this in the interactive course See the whole Blockchain roadmap

Free resources to learn Cryptocurrencies

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Cryptocurrencies: common questions

Can I learn Cryptocurrencies in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Cryptocurrencies in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Cryptocurrencies tutorial for beginners?

It is lesson 45 of 127 in the free Blockchain roadmap, in stage 4, Smart Contracts. If you are new to Blockchain, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.