Understanding Blockchain Layers: A Guide to Layer 1, Layer 2, and Layer 3
Written by Ohris M. Greyoon, Blockchain & Crypto Expert
Source: Coinmarketcap
Updated: Mar 17 2025Layer 1, Layer 2, and Layer 3 Blockchains: Layer 1 blockchains serve as the foundational protocols for blockchain technology, while Layer 2 solutions enhance scalability and efficiency by processing transactions off the main chain. Layer 3 focuses on hosting decentralized applications and improving interoperability among different blockchains.
Challenges and Solutions: Layer 1 blockchains face issues like slow transaction speeds and high fees due to scalability limitations, leading to the development of Layer 2 and Layer 3 solutions that address these challenges by increasing network throughput and enabling better application integration.
About the author
Ohris M. Greyoon
Ohris M. Greyoon holds a Master’s in Computer Science from MIT and has 10 years of experience in blockchain technology and cryptocurrency markets. A pioneer in decentralized finance (DeFi) analysis, he leads Intellectia’s Crypto News, offering cutting-edge insights into digital assets.
