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Exam (elaborations)
Web3 and Blockchain Architecture- 2026 Exam Guide
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---26May 20262025/2026A+
- BLOCK 1: CORE ARCHITECTURE & SCALING 
1. What is the primary purpose of "Modular Blockchains" in 2026? 
A) To combine all functions into one layer 
B) To separate execution, settlement, and data availability 
C) To eliminate the need for nodes 
D) To make blockchain work on 2G internet 
Correct Answer: B) To separate execution, settlement, and data availability 
2. In 2026, 
"Layer 2" (L2) solutions primarily aim to solve: 
A) Data privacy issues 
B) Scalability and high gas fees 
C)...
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