Blockchain Basics

Cryptocurrency and blockchain technology rely on a set of foundational concepts that every investor should understand before using wallets, exchanges, or DeFi platforms.

This section explains the core mechanics behind blockchain networks, including how transactions are verified, how public and private keys work, and why decentralization matters for digital assets.

Topics covered include:

• how blockchain networks process transactions
• public keys, private keys, and wallet addresses
• consensus mechanisms like proof-of-work and proof-of-stake
• how decentralization changes financial systems

If you’re new to crypto, start with the Complete Crypto Starter Guide before exploring individual blockchain concepts.