What is cryptocurrency?
A beginner-friendly overview of digital currencies, why they exist, and how blockchains make them possible.
Basics
How to buy your first cryptocurrencies?
The safest ways to open an account, choose networks, compare fees, and place your first trade.
What is the difference between Bitcoin, Ethereum, and altcoins?
How Bitcoin and Ethereum differ in purpose, security, fees, and what ‘altcoins’ actually cover.
Wallets
What is a crypto wallet and how to choose one?
Hot vs cold wallets, seed phrases, and practical tips to avoid common mistakes when self-custodying.
Technology
How does blockchain work?
Blocks, validators, finality, and why decentralization matters—without the heavy math.
What is web3
Apps that run on blockchains, wallets as logins, and why open data changes product design.
DeFi
What is DeFi (Decentralized Finance)?
Decentralized exchanges, lending pools, and how smart contracts remove intermediaries.
NFTs
What is an NFT?
Digital collectibles, ownership proofs, and the common pitfalls around minting and trading.
Earning
What is staking?
Earning yield by helping secure proof-of-stake networks—risks, rewards, and lockups explained.
What is mining?
From GPUs to ASICs: how miners add blocks, get rewarded, and what impacts profitability.
Bitcoin
What is halving?
A programmed supply cut that affects miner rewards—and why markets care every four years.