Layer 0, Layer 1, Layer 2, Layer 3: The Complete Guide to…
By Damilola Esebame
AI summary of the source article
Blockchain infrastructure spans Layers 0 through 3 to address scalability, security, and interoperability. Ethereum Layer 2 total value locked surpassed $51 billion in late 2024, with institutions like Deutsche Bank preparing Layer 2 rollups for asset settlement.
Why it matters
The text states: "The significance of Layer 0 extends beyond technical plumbing into real capital efficiency. When chains can communicate natively, users avoid the security risks and capital fragmentation created by third-party bridges, which lost over $2 billion to exploits between 2021 and 2024."
Key facts
- Ethereum Layer 2 total value locked surpassed $51 billion in late 2024.
- Third-party bridges lost over $2 billion to exploits between 2021 and 2024.
- Deutsche Bank announced plans in 2024 to build a ZK rollup Layer 2 on Ethereum for real-world asset settlement.
Source excerpt · FinanceFeeds
KEY TAKEAWAYS Layer 0 protocols like Polkadot and Cosmos provide infrastructure and interoperability mechanisms that help independent blockchains communicate and exchange data or assets, depending on the protocol's design. Layer 1 chains including Bitcoin, Ethereum and Solana serve as base blockchain networks with their own consensus mechanisms and settlement processes. Layer 2 solutions such as A…