Introduction
Starting in crypto can feel overwhelming because of the jargon. Words like “blockchain,” “altcoin,” or “staking” may sound confusing. Don’t worry — here’s a simple glossary of 20 must-know crypto terms for beginners in 2025.
1. Bitcoin (BTC)
The first and most famous cryptocurrency, created in 2009.
2. Altcoin
Any cryptocurrency that isn’t Bitcoin. Examples: Ethereum, Solana.
3. Blockchain
A digital ledger that records all transactions in a secure and transparent way.
4. Wallet
A tool (app, website, or device) that stores your crypto.
5. Private Key
Your secret code — like the password to your wallet. Never share it.
6. Public Key (Address)
Like your crypto “bank account number.” You can share it to receive funds.
7. Exchange
A platform to buy, sell, or trade crypto (Binance, Coinbase, etc.).
8. Fiat
Traditional money like USD, EUR, MAD.
9. Stablecoin
A cryptocurrency tied to a fiat currency, e.g., USDT = 1 USD.
10. Gas Fees
The fees you pay to send or use crypto (especially Ethereum).
11. Mining
The process of validating Bitcoin transactions with computers.
12. Staking
Earning rewards by locking coins on networks like Ethereum or Cardano.
13. DeFi (Decentralized Finance)
Financial services without banks — loans, savings, and more.
14. NFT (Non-Fungible Token)
A unique digital asset (art, collectibles, music).
15. Metaverse
Virtual worlds that use crypto and NFTs.
16. HODL
Slang for “Hold on for Dear Life” — keeping crypto long-term.
17. FOMO
“Fear Of Missing Out” on opportunities.
18. Whale
Someone holding a huge amount of crypto.
19. Bull Market
When prices are rising.
20. Bear Market
When prices are falling.
Conclusion
Learn these 20 words and you’ll understand most crypto conversations. This glossary is your first step toward becoming confident in crypto.