Learn
Understand crypto, one idea at a time
18 short guides that start simple and go deeper when you want. No hype, no jargon without an explanation, and no price predictions.
01
Crypto Basics
Start here. What cryptocurrency is, how Bitcoin and Ethereum differ, and how ownership actually works.
Beginner- What is cryptocurrency?Cryptocurrency is digital money that people can send directly to each other, with the records kept by a network of computers instead of a bank.Beginner4 min
- What is Bitcoin?Bitcoin is the first cryptocurrency: a fixed-supply digital money secured by miners, launched in 2009 by the pseudonymous Satoshi Nakamoto.Beginner5 min
- What is Ethereum?Ethereum is a blockchain that runs programs called smart contracts. Ether (ETH) pays for using it and secures it through staking.Beginner5 min
- What is a crypto wallet?A wallet doesn't hold your coins. It holds the keys that prove they're yours, and lets you sign transactions.Beginner4 min
- Seed phrases and private keysYour seed phrase is the master key to your wallet. Anyone who sees it can take everything, so it should never be typed into a website or shared.Beginner4 min
- What are stablecoins?Stablecoins are tokens designed to hold a steady value, usually one US dollar, so people can use crypto rails without crypto price swings.Beginner4 min
02
Markets
Read a price page with confidence: market cap, supply, volume, liquidity and why crypto moves so much.
Beginner- Market cap, explainedMarket cap is price times circulating supply. It's the standard way to compare the size of cryptocurrencies, but it doesn't mean that much money could actually be cashed out.Beginner4 min
- Circulating, total and max supplyCirculating supply is what's in the market today, max supply is the limit, if there is one, and fully diluted valuation shows what the project would be worth if every token existed.Intermediate4 min
- Volatility, volume and liquidityCrypto prices move a lot because markets are young, trade 24/7 and often use leverage. Liquidity determines how easily you can trade without moving the price.Beginner5 min
03
How Blockchains Work
Blocks, consensus, mining, staking and fees: the machinery underneath every transaction.
Intermediate- What is a blockchain?A blockchain is a shared ledger that many computers keep in sync, where each new batch of records is cryptographically linked to the last.Beginner4 min
- Proof of work vs. proof of stakeProof of work secures a network with computing power and electricity. Proof of stake secures it with coins locked up as collateral.Intermediate5 min
- Gas fees, explainedGas fees are what you pay to have a transaction processed. They rise when the network is busy because users compete for limited block space.Beginner4 min
04
DeFi
Trading, lending and earning with smart contracts instead of banks, and the risks that come with it.
Intermediate- What is DeFi?DeFi (decentralized finance) recreates financial services such as trading, lending and borrowing using smart contracts anyone can access with a wallet.Beginner5 min
- Liquidity poolsA liquidity pool is a pot of tokens in a smart contract that traders swap against. People who supply the tokens earn a share of trading fees.Intermediate5 min
- Staking, explainedStaking means locking up coins to help secure a proof-of-stake network in exchange for rewards, with some risks and waiting periods attached.Beginner5 min
05
Security & Scams
The habits that keep your crypto safe, and the tricks scammers use most often.
Beginner- How to spot crypto scamsMost crypto theft doesn't involve hacking the blockchain. It involves tricking people into handing over their keys or signing a malicious transaction.Beginner6 min
- A wallet security checklistA handful of habits (offline backups, a hardware wallet for savings, bookmarking real sites and reviewing approvals) prevents most losses.Beginner4 min
06
Advanced Topics
Scaling, bridges and cutting-edge cryptography, for readers who've got the basics down.
Advanced
Glossary
67 crypto terms, each explained in a sentence.