Beginner guides
Start from zero. Every guide assumes no prior knowledge and explains exactly what you need before you need it.
Beginner Guides
What Is Cryptocurrency? A Plain-English Explanation
No jargon, no hype — just what crypto actually is, how it works, and why it matters before you spend a single dollar.
How Blockchain Technology Actually Works
Blocks, chains, miners, and validators — the mechanics behind the buzzword, explained with a simple ledger analogy.
How to Buy Your First Cryptocurrency Safely
A step-by-step walkthrough for your very first purchase — choosing a platform, verifying identity, and avoiding the most common rookie mistakes.
Wallets
Crypto Wallets Explained: Hot, Cold, Custodial & Non-Custodial
Your wallet doesn't store coins — it stores keys. Understanding that one sentence prevents most beginner losses.
Hardware vs. Software Wallets: Which Do You Actually Need?
Not everyone needs a $150 hardware wallet on day one. Here's how to decide based on how much you're actually holding.
Security
How to Spot and Avoid the Most Common Crypto Scams
Phishing, fake giveaways, rug pulls, and romance scams — the patterns repeat. Learn them once and recognize them every time.
Setting Up Two-Factor Authentication the Right Way
Not all 2FA is equal. SMS codes are better than nothing — but here's why an authenticator app or hardware key is what actually protects your funds.
Exchanges
Centralized vs. Decentralized Exchanges: What's the Difference?
CEXs and DEXs solve the same problem — trading crypto — in fundamentally different ways. Here's which to use and when.
Understanding Crypto Exchange Fees (So You Stop Overpaying)
Maker/taker fees, spreads, withdrawal fees, and 'free' trading apps that quietly charge more than anyone else. Here's how to read the real cost.
Full crypto glossary
- Blockchain
- A shared digital ledger replicated across many computers, where each new batch of transactions (block) links to the one before it.
- Private Key
- A secret code that proves ownership of crypto and authorizes spending it. Never share this with anyone.
- Seed Phrase
- A 12–24 word backup that can recreate your entire wallet. Treat it like the master key to a vault.
- Wallet
- Software or hardware that stores your private keys and lets you send, receive, and view your crypto.
- Custodial
- A setup where a third party (like an exchange) holds your private keys on your behalf.
- Non-Custodial
- A setup where you alone control your private keys, with no third party able to access or freeze funds.
- Gas Fee
- The fee paid to network validators to process a transaction, named for the 'fuel' that powers computation on chains like Ethereum.
- Cold Storage
- Keeping private keys completely offline, typically on a hardware wallet, to minimize hacking risk.
- Hot Wallet
- A wallet connected to the internet, offering convenience at the cost of higher exposure to online attacks.
- Public Address
- A shareable code (like a bank account number) others use to send you crypto. Safe to share publicly.
- Smart Contract
- Self-executing code on a blockchain that automatically carries out an agreement when conditions are met.
- DeFi
- Decentralized Finance — financial tools like lending and trading built on blockchains, without a bank as the middleman.
- KYC
- Know Your Customer — the identity verification process exchanges require by law before letting you trade.
- Market Cap
- A coin's price multiplied by its total circulating supply, used to gauge its overall size relative to other coins.
- Altcoin
- Any cryptocurrency other than Bitcoin — short for 'alternative coin.'
- Stablecoin
- A cryptocurrency designed to hold a steady value, usually pegged 1:1 to a currency like the US dollar.
- Rug Pull
- A scam where developers abandon a project and drain its funds after attracting investment.
- Block Explorer
- A public website (like Etherscan) that lets anyone search and verify blockchain transactions.
- Node
- A computer that stores a copy of the blockchain and helps validate and relay transactions across the network.
- Fork
- A split in a blockchain's rules or history, creating two separate paths — sometimes resulting in a new coin.
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