Crypto knowledge π Crypto Basics You Should Know
π 1. What Is Cryptocurrency?
Cryptocurrency is digital money that lives on the internet β itβs decentralized, meaning no bank or government controls it. The most famous one? Bitcoin (BTC).
π§ 2. What Is Blockchain?
A blockchain is like a digital notebook that records every transaction. It's:
Public (everyone can see it)
Permanent (you can't erase)
Decentralized (many computers keep a copy)
πΌ 3. What Is a Wallet?
A crypto wallet lets you:
Store your crypto
Send & receive tokens
Access the blockchain
There are 2 types:
Hot wallets (like Coinbase Wallet, Phantom, MetaMask β connected to the internet)
Cold wallets (hardware wallets like Ledger β offline, more secure)
π§Ύ 4. What Is a Seed Phrase / Private Key?
Itβs like the master key to your wallet.
12 or 24 secret words (e.g., βapple mango rocket...β)
Whoever has this can access your wallet
β
NEVER share it
β If you lose it, your crypto is gone forever
π 5. What Affects Crypto Prices?
Supply & demand
News (good or bad)
Big investors (called whales π)
Government regulation
πΈ 6. What Is Gas Fee?
A fee you pay to send or swap crypto. It goes to the computers (miners/validators) that keep the network running.
π§© 7. Popular Blockchains
Bitcoin (BTC) β digital gold
Ethereum (ETH) β smart contracts + NFTs
Solana (SOL) β fast, low fees
Sui, Aptos, Arbitrum β newer chains with strong developer communities
π€ 8. What Is DeFi?
Decentralized Finance = using crypto for things like:
Lending
Borrowing
Swapping tokens
Without needing a bank. Just your wallet and a dApp (like Uniswap or PancakeSwap).
π Crypto Basics You Should Know
π 1. What Is Cryptocurrency?
Cryptocurrency is digital money that lives on the internet β itβs decentralized, meaning no bank or government controls it. The most famous one? Bitcoin (BTC).
π§ 2. What Is Blockchain?
A blockchain is like a digital notebook that records every transaction. It's:
Public (everyone can see it)
Permanent (you can't erase)
Decentralized (many computers keep a copy)
πΌ 3. What Is a Wallet?
A crypto wallet lets you:
Store your crypto
Send & receive tokens
Access the blockchain
There are 2 types:
Hot wallets (like Coinbase Wallet, Phantom, MetaMask β connected to the internet)
Cold wallets (hardware wallets like Ledger β offline, more secure)
π§Ύ 4. What Is a Seed Phrase / Private Key?
Itβs like the master key to your wallet.
12 or 24 secret words (e.g., βapple mango rocket...β)
Whoever has this can access your wallet
β
NEVER share it
β If you lose it, your crypto is gone forever
π 5. What Affects Crypto Prices?
Supply & demand
News (good or bad)
Big investors (called whales π)
Government regulation
πΈ 6. What Is Gas Fee?
A fee you pay to send or swap crypto. It goes to the computers (miners/validators) that keep the network running.
π§© 7. Popular Blockchains
Bitcoin (BTC) β digital gold
Ethereum (ETH) β smart contracts + NFTs
Solana (SOL) β fast, low fees
Sui, Aptos, Arbitrum β newer chains with strong developer communities
π€ 8. What Is DeFi?
Decentralized Finance = using crypto for things like:
Lending
Borrowing
Swapping tokens
Without needing a bank. Just your wallet and a dApp (like Uniswap or PancakeSwap).
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