How crypto works
UNI (Uniswap) — the token for voting on the exchange UNI is the Uniswap exchange token that gives a vote on how it develops further. How voting works, why the exchange's fees burn UNI, how it differs from a stock, and the risks.
Ethereum
WBTC (Wrapped Bitcoin) — bitcoin as an Ethereum token WBTC is a token on the Ethereum network backed by a real bitcoin held by a custodian. What it is for, how to get it and swap it back, who holds the BTC, and what happened in 2024.
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What is a blockchain? A ledger that can't be rewritten after the fact: how records stack into a chain of blocks and why it's so hard to fake.
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What is a blockchain hard fork? A change to blockchain rules that old software rejects: when the network stays one, when it splits in two and what then happens to your coins.
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What is a token in crypto? A token is a cryptocurrency without its own network, issued on top of another blockchain. How it differs from a network coin and why your wallet needs that coin too.
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What is an NFT? What you're really buying when you buy an NFT, where the image actually lives, and what the risks are.
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What is consensus in a blockchain? The rules by which a network's computers agree, with no boss, on which transfers to record. How Proof of Work and Proof of Stake work and when a transfer is final.
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What is cryptocurrency? Cryptocurrency is digital money recorded by a shared network, not a bank. How it works, the main types, and why a transfer can't be undone.
Ethereum
What EVM is, and why you have the same address on Ethereum, BNB Chain and Polygon EVM is the engine that runs smart contracts on Ethereum and on compatible networks such as BNB Chain, Polygon and Base. Why one address works on all of them, and how to get back a transfer sent on the wrong one.