UNDERSTAND BEFORE YOU START
Blockchain.
Made simple.
Bitcoin, Ethereum, wallets… Make sense of the technology, one clear explanation at a time.
A transaction is signed
Alice signs a transfer to Bob with her private key. It is then broadcast to the network.
01 — YOUR STARTING POINT
Build your understanding.
Five short guides to connect the dots, at your own pace.
What is a blockchain?
Understand shared ledgers, blocks and consensus.
Understanding Bitcoin
Discover how the network works and the role of bitcoin.
Understanding Ethereum
Connect Ethereum, ether and smart contracts.
Protecting your wallet
Learn to protect your keys and recognise common risks.
Considering a first purchase
Optional step: understand platforms, fees and risks.
02 — GO FURTHER
Follow your curiosity.
03 — LET’S MAKE IT CLEAR
Your first questions.
You don’t need to be an expert to get started.
How does the site make money?
All content is free, with no account required. Our business model relies on affiliate and referral links: we may receive a commission or reward if the programme’s conditions are met. Using these links is optional.
Do I need to buy cryptocurrency to learn?
No. All guides are free to read. Understanding the technology requires neither a wallet nor a purchase.
Are Bitcoin and blockchain the same thing?
No. A blockchain is a way of organising a shared ledger. Bitcoin is a network and a cryptocurrency that use this approach.
Where should I start?
Start with the blockchain basics, then explore Bitcoin and Ethereum. Read the security guide before considering your first purchase.
FREE TO LEARN
Free content. A transparent business model.
Guides, examples and definitions are freely available, with no account required. Affiliate links help fund the project.
Affiliate links. If you use these affiliate or referral links, WhyTheBlockchain may receive a commission or reward, subject to the programme’s terms. Reading our guides is free and requires no purchase.
Check each platform’s fees, availability in your country and offer terms before signing up. These links are not a ranking of platforms.
WhyTheBlockchain, why?
A learning project by Yacine Salah, built to explain the ideas behind blockchain through accessible guides and examples. Learn first, form your own opinion.