When you're starting out with blockchain, understanding the "flow" matters more than memorizing glossary terms. Start by picturing how a transaction happens, how it gets into a block, and how the network verifies it.
Visual Flow
User Wallet → Transaction → Network Nodes → Verification → Block → Blockchain Updated → Block Explorer
1. Concept
What blockchain actually is, why it's needed, and how it differs from a normal database.
2. Mechanics
How block, hash, transaction, node, consensus, and gas fee connect and work together.
3. Ownership
You need to understand wallet, private key, seed phrase, and custodial/non-custodial responsibility.
4. Applications
You need to understand smart contract, DApp, NFT, DeFi, Layer 2, bridge, and developer workflow.
You should see
Following the blockchain learning path in the order "concept → security → application" makes things much clearer.