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Home»ADOPTION NEWS»Understanding Layer 2 Blockchains: Improving Web3 Scalability and Efficiency
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Understanding Layer 2 Blockchains: Improving Web3 Scalability and Efficiency

By Crypto FlexsSeptember 23, 20244 Mins Read
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Understanding Layer 2 Blockchains: Improving Web3 Scalability and Efficiency
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Alvin Lang
23 Sep 2024 04:15

Layer 2 blockchains increase the speed and reduce costs of layer 1 chains like Ethereum, thereby increasing the scalability of Web3.





Layer 2 (L2) blockchains are solutions designed to improve the performance of existing Layer 1 (L1) blockchains, such as Ethereum. Similar to secondary roads built to ease traffic on busy highways, Layer 2 technologies aim to make transactions faster, cheaper, and more scalable.

Why do we need 2 layers?

Popular blockchains like Ethereum Bitcoin Due to network congestion, we often experience slow transaction speeds and high fees. Each transaction must be processed by every node in the network, resulting in delays and inconsistent performance. Layer 2 chains solve this problem by reducing the workload of Layer 1 by processing off-chain transactions. These transactions are later bundled and sent back to the main blockchain, significantly accelerating the process.

How does a two-tier solution work?

Layer 2 solutions offload the burden from the main blockchain, allowing users to transact more efficiently. This process typically consists of three steps:

  1. Deal Bundling: Multiple transactions are grouped together.
  2. Off-chain processing: Transactions are processed off-chain, meaning they do not occur directly on Layer 1.
  3. Settlement on the first floor: The results of these transactions are sent back to the main blockchain, reducing the load.

A useful analogy is an amusement park with long lines for rides (Tier 1). Tier 2 acts as a fast-pass line that processes smaller groups more quickly and then checks them into the main system.

Example of a two-tier solution

Polygon (formerly Matic): Polygon, one of the most well-known layer 2 solutions for Ethereum, helps Ethereum scale by using sidechains to process off-chain transactions and then update the Ethereum blockchain with the results.

decision: The solution uses rollups to bundle transactions, validate them off-chain, and then submit a summary to Ethereum, reducing costs and increasing transaction speed.

optimism: Similar to Arbitrum, Optimism uses rollups to bundle transactions, lowering the cost of using Ethereum while retaining the security benefits of Layer 1.

Why is Layer 2 important in Web3?

Scalability and low transaction costs are critical in the Web3 ecosystem, which includes decentralized applications (dApps), smart contracts, and DeFi platforms. High fees and slow transaction times can hinder mass adoption. Layer 2 solutions provide:

Scalability: As more transactions can be processed, blockchains will be able to handle millions of users simultaneously.

Cost savings: If there are fewer transactions on Tier 1, the fees will also be significantly lower.

Faster transactions: Off-chain processing allows transactions to be completed in seconds or minutes rather than hours.

Tier 1 vs Tier 2 and above

  • Layer 1 (L1): Major blockchains like Ethereum and Bitcoin offer top-tier security, but often struggle with speed and high costs.
  • Layer 2 (L2): It is a secondary system located above the first layer, processing transactions faster and more efficiently without significantly compromising security.

Think of the first floor as a crowded city. The second floor is like a high-speed train that takes commuters off the busy streets, speeds up their movement, and reduces congestion for everyone.

Layers are key to the future of blockchain.

As blockchain usage increases, the technology must scale rapidly. Layer 2 solutions are essential to the future of Web3, ensuring that decentralized platforms can operate seamlessly without high fees or slow transaction times. The emergence of popular layer 2 solutions such as Polygon and Arbitrum promises a future where interacting with decentralized apps and services is as seamless, fast, cheap, and scalable as using traditional web apps.

GalaChain, a Layer 1 blockchain, has the potential to become an integrated Layer 2 system. As the ecosystem grows, the organization will be streamlined across multiple layers.

For more details, please visit Gala News.

Image source: Shutterstock


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