Proof of stake, in practice
What validators actually do, what slashing punishes, and where the yield comes from.
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Crypto Basics
Start here if the vocabulary itself is still new. No prior assumptions.
7 guides
What a blockchain actually keeps track of
Not files, not coins in a vault — a single ledger of who can spend what, agreed on by everyone at once.
Public and private keys, in plain terms
One key proves who you are without ever being shown to anyone. The other is the address people send to.
Hot wallet vs. cold wallet, in one line
One is connected to the internet and easy to spend from. The other isn't.
Why crypto is non-custodial — and what that actually buys you
In a bank, your money is a claim on the bank. In self-custodied crypto, it's yours directly.
Is crypto legal? What the law actually says
In most of the world, yes. The confusion usually comes from mixing up three different questions.
Why your bank might block a crypto transfer
The monitoring rules were written for drug trafficking and terrorism financing. An ordinary purchase just happens to fit the same pattern.