A Brief Explanation of What Blockchain Is
https://www.gate.io/learn/articles/everything-you-need-to-know-about-blockchain/31

Definition of smart contracts and the problems they solve
https://www.gate.io/learn/articles/what-are-smart-contracts-what-problems-do-they-solve/5179

Why Decentralization is Important
https://www.gate.io/learn/articles/why-decentralization-is-important/1657

Web3 Security Beginner's Pitfall Guide｜Wallet Types and Risks
https://www.gate.io/learn/articles/beginners-guide-to-web3-security-wallet-types-and-associated-risks/3814

Why Decentralization is Important
https://www.gate.io/learn/articles/why-decentralization-is-important/1657