What is web3? A short guide without the jargon
Web3 is an idea for an internet where the user, not the platform, holds the keys to their data and money. We explain what that means in practice.
Knowledge base
Everything that helps you understand web3 and cryptocurrencies, written in plain language, with no selling and no investment advice.
Web3 is an idea for an internet where the user, not the platform, holds the keys to their data and money. We explain what that means in practice.
Your first blockchain transaction is irreversible, so it is worth doing calmly. We show how to start with a small amount, check the address and confirm the transfer in a block explorer.
Hash functions turn any data into a short, unique fingerprint. We explain what they are, how they work and why blockchain could not exist without them.
Phishing in crypto does not break security systems, it breaks our vigilance: scammers impersonate trusted brands to steal credentials and access to funds. We explain how to spot an attack and how to defend against it.
Decentralized finance (DeFi) covers services like lending, trading and saving that run without a bank, powered by smart contracts. We explain how it works and what risks it carries.
The most important sentence in web3, in practice: the difference between keeping funds on an exchange and in your own wallet.
No math and no marketing. We show why records on a blockchain cannot be quietly altered.
A wallet does not "store" coins, it stores keys. We explain the difference and show how to protect access to your funds.
Guaranteed returns, time pressure, requests for your recovery phrase. Learn the patterns that repeat in almost every scam.
A program instead of a middleman. We explain what smart contracts are, what they are used for, and where their limits lie.
Why do some cryptocurrencies swing wildly in value while others stay pegged to the dollar? A short look at stablecoins and their types.