L2 Layer Blockchains for Ethereum
July 27th, 2024

This article will be a comprehensive guide to everything related to the L2 layer blockchains which are a part of the whole Ethereum blockchain network as a whole and will be covering what they are what they have to offer and why these exist even though the main Ethereum network exists as it is as a separate entity but linked to the main blockchain network.

We will only be covering Ethereum for now and not the other popular blockchain networks.

Disclaimer: This is not financial advice and should be treated only as information content and the author is not liable for any losses that may occur and doesn’t endorse any of these products.

Introduction

Ethereum Layer 2 (L2) solutions are designed to enhance the scalability, speed, and efficiency of the Ethereum blockchain, addressing its limitations in handling a large volume of transactions. Ethereum, as the second-largest blockchain network, has become a critical platform for decentralized applications (dApps), decentralized finance (DeFi) protocols, and non-fungible tokens (NFTs). However, its scalability issues, including high transaction fees, network congestion, and slow transaction times, have become significant challenges. Ethereum's Layer 2 solutions aim to solve these problems by offloading some of the transaction processing to secondary networks, thereby reducing the load on the main Ethereum blockchain (Layer 1 or L1 protocols

Layer 2 solutions operate on top of the Ethereum blockchain, taking on the role of an efficient assistant to the main Ethereum network. They process transactions off-chain, significantly speeding up the process and reducing costs for the L1 network. Once transactions are processed and verified, they are added to the Ethereum blockchain, ensuring that the final ledger remains secure and decentralized in nature.

There are several types of Layer 2 solutions, each with its unique approach to improving Ethereum's scalability:

  • Sidechains: These are separate blockchains that run in parallel to the Ethereum mainnet. They offer a similar environment to Ethereum but use their own consensus mechanisms. Sidechains are not technically Layer 2 solutions because they have a lower degree of decentralization.

  • State Channels: Also known as payment channels, these allow for transactions to be conducted off-chain, with the final state being recorded on the Ethereum blockchain. This method significantly reduces the number of transactions that need to be processed on the mainnet, thereby improving scalability and reducing fees

  • Plasma Chains: These are anchored to the Ethereum mainnet and use fraud proofs to validate transactions. They are preferred for high-speed transactions between arbitrary users with lower gas fees. However, withdrawals can take several days.

  • Optimistic Rollups: These allow smart contracts to be executed off-chain, significantly improving scalability and reducing transaction fees. They are a popular choice for Layer 2 solutions due to their efficiency and security.

  • Zero-Knowledge Rollups: These improve privacy by allowing transactions to be verified without revealing sensitive information. They are not vulnerable to cyber-attacks and offer fast withdrawals.

The future of Layer 2 solutions looks promising, with ongoing developments aimed at further improving transaction speeds, reducing costs, and enhancing interoperability between different blockchain platforms. As blockchain technology continues to evolve, Layer 2 solutions will play a crucial role in addressing the scalability trilemma, ensuring that Ethereum and other Layer 1 blockchains can handle the increasing demand for decentralized applications and transactions.

Why do we even need L2 Solutions?

Now, let’s take a step back and analyze why L2 solutions for the blockchain network are required and these are mainly used to solve the problems noticed on the Ethereum Mainnet by users.

The primary problem with the Ethereum mainnet, often referred to as the "scalability trilemma," is its inability to handle a large volume of transactions efficiently without compromising on security or decentralization. This issue arises because the Ethereum network, as a Layer 1 blockchain, is limited in its capacity to process transactions, with its throughput being around 15 transactions per second. This limitation is a significant barrier to widespread adoption, as it makes transactions expensive and slow, especially during peak usage times.

To address this problem, Layer 2 scaling solutions have emerged like Optimism, Arbitrum, and more [more on these later]. These solutions are built on top of the Ethereum mainnet (Layer 1) and are designed to enhance the network's scalability by offloading transactions from the mainnet to parallel blockchains or channels. This approach allows for faster transaction processing and lower fees, making Ethereum more usable for a broader range of applications, including payments, DeFi, NFTs, and smart contracts.

While Layer 2 solutions offer significant improvements in scalability and cost-effectiveness, they also come with their own set of challenges. For instance, different Layer 2 solutions may not be interoperable, leading to fragmented liquidity and potential security concerns. Additionally, the effectiveness of these solutions in addressing the scalability trilemma is still being evaluated, and there is ongoing research and development to refine and optimize these technologies.

Despite these challenges, Layer 2 solutions are seen as a crucial step towards making Ethereum more scalable and accessible for a wider range of applications and users. As the Ethereum ecosystem continues to evolve, the development and adoption of Layer 2 solutions will play a pivotal role in unlocking the full potential of Ethereum and other blockchain technologies.

How L2 Blockchain Solutions Work

Now, let’s understand how these networks work and function.

Layer-2 (L2) blockchain solutions work by leveraging the security and decentralization of the underlying Layer-1 (L1) blockchain while processing transactions off-chain. This approach allows for increased scalability and efficiency by reducing the load on the main blockchain, thus enabling faster transactions and lower fees. Here's a detailed explanation of how L2 solutions operate:

  1. Off-chain Transactions: L2 solutions enable transactions to occur off the main blockchain. This means that while the transactions are processed and verified, the final state is recorded on the L1 blockchain. This separation allows for a higher volume of transactions to be processed without overwhelming the main chain.

  2. Security and Decentralization: Despite processing transactions off-chain, L2 solutions are still secured by the L1 blockchain. This ensures that the transactions are secure and that the network remains decentralized. The L1 blockchain acts as a notary, verifying the transactions and recording the final state, ensuring that the L2 transactions are immutable and secure.

  3. Types of L2 Solutions: There are various types of L2 solutions, each with its unique approach to scaling. For example, the Lightning Network for Bitcoin and Polygon for Ethereum are two popular L2 solutions. The Lightning Network allows for fast, low-cost transactions by enabling payment channels between users, while Polygon uses sidechains and bridges to scale Ethereum's network.

  4. Benefits: By moving transactions off the main chain, L2 solutions significantly improve the scalability of the network. This is crucial for the adoption of blockchain technology in everyday commerce, as it enables faster and more cost-effective transactions. L2 solutions also help in reducing the congestion on the main blockchain, leading to a more efficient and user-friendly network.

  5. Challenges and Future: While L2 solutions offer a promising solution to the scalability issues of L1 blockchains, they also come with their own set of challenges. These include ensuring interoperability between different L2 solutions and maintaining the security and decentralization of the network. Despite these challenges, L2 solutions are expected to play a crucial role in the future of blockchain technology, enabling it to support a wider range of applications and users.

Notable L2 Blockchain Solutions as per Alchemy

We will now be exploring the benefits and what some of the L2 blockchain solutions bring to the table and this list has been gotten from Alchemy’s lists of the popular L2 blockchain solutions.

These are some of the famous ones and more L2 blockchain solutions other than these can exist as well.

Optimism

  • Technology: Optimistic Rollups

  • Key Features: Optimism uses Optimistic Rollups to increase the throughput of the Ethereum network by executing transactions off-chain and then posting the final state to the Ethereum mainnet. This approach significantly reduces fees and increases transaction speeds.

  • Benefits: Optimism aims to make Ethereum more scalable and affordable by reducing the load on the mainnet, making it suitable for a wide range of applications, including DeFi and NFTs.

Arbitrum

  • Technology: Optimistic Rollups

  • Key Features: Similar to Optimism, Arbitrum uses Optimistic Rollups to execute transactions off-chain and then posts the final state to the Ethereum mainnet. It focuses on providing a high-speed, low-cost environment for Ethereum dApps.

  • Benefits: Arbitrum enhances the scalability and efficiency of the Ethereum network, making it more accessible for developers and users.

Polygon PoS

  • Technology: Proof of Stake (PoS) sidechain

  • Key Features: Polygon PoS is a sidechain solution that uses a PoS consensus mechanism to achieve high throughput and low fees. It aims to scale Ethereum by allowing transactions to be processed off the mainnet.

  • Benefits: Polygon PoS offers a scalable and cost-effective solution for Ethereum, enabling faster transactions and lower fees.

Polygon zkEVM

  • Technology: zkRollups with EVM compatibility

  • Key Features: Polygon zkEVM combines zkRollups with Ethereum Virtual Machine (EVM) compatibility, offering scalable security. It allows for the execution of smart contracts off-chain while maintaining the security and decentralization of the Ethereum network.

  • Benefits: This solution enhances the scalability and efficiency of Ethereum, making it more suitable for a wide range of applications, including DeFi and NFTs.

StarkNet

  • Technology: zkRollups

  • Key Features: StarkNet uses zkRollups to achieve high throughput and low fees, with a focus on performance. It processes transactions off-chain and then posts the final state to the Ethereum mainnet.

  • Benefits: StarkNet aims to make Ethereum more scalable and efficient, making it more accessible for developers and users.

Astar

  • Technology: Interoperability protocol

  • Key Features: Astar connects Polkadot to all Layer 1s, aiming to enhance interoperability and scalability. It allows for the transfer of assets and data across different blockchains.

  • Benefits: Astar aims to make blockchain technology more interoperable and scalable, enabling a more connected and efficient ecosystem.

Base

  • Technology: Layer 2 scaling solution

  • Key Features: Base emphasizes security, affordability, and developer-centric features. It aims to provide a scalable and efficient blockchain infrastructure.

  • Benefits: Base offers a secure and cost-effective solution for blockchain scaling, making it suitable for a wide range of applications.

Kroma

  • Technology: Layer 2 scaling solution

  • Key Features: Kroma aims to provide a scalable and efficient blockchain infrastructure. It focuses on enhancing the scalability and efficiency of blockchain networks.

  • Benefits: Kroma aims to make blockchain technology more scalable and efficient, making it more accessible for developers and users.

GOSH

  • Technology: Layer 2 scaling solution

  • Key Features: GOSH focuses on multichain capabilities, aiming to provide a scalable and efficient blockchain infrastructure.

  • Benefits: GOSH aims to make blockchain technology more scalable and efficient, making it more accessible for developers and users.

Canvas Connect

  • Technology: Layer 2 scaling solution

  • Key Features: Canvas Connect integrates with Ethereum, aiming to enhance the scalability and efficiency of the Ethereum network.

  • Benefits: Canvas Connect aims to make Ethereum more scalable and efficient, making it more accessible for developers and users.

Cartesi

  • Technology: Layer 2 scaling solution

  • Key Features: Cartesi aims to provide a scalable and efficient blockchain infrastructure. It focuses on enhancing the scalability and efficiency of blockchain networks.

  • Benefits: Cartesi aims to make blockchain technology more scalable and efficient, making it more accessible for developers and users.

Reddio

  • Technology: Layer 2 scaling solution

  • Key Features: Reddio integrates with Ethereum and StarkNet, aiming to enhance the scalability and efficiency of the Ethereum network.

  • Benefits: Reddio aims to make Ethereum more scalable and efficient, making it more accessible for developers and users.

ImmutableX

  • Technology: Layer 2 scaling solution

  • Key Features: ImmutableX focuses on providing a scalable and efficient blockchain infrastructure for NFTs. It aims to enhance the scalability and efficiency of NFT transactions.

  • Benefits: ImmutableX aims to make NFT transactions more scalable and efficient, making it more accessible for developers and users.

Eclipse

  • Technology: Layer 2 scaling solution

  • Key Features: Eclipse integrates with Ethereum, aiming to enhance the scalability and efficiency of the Ethereum network.

  • Benefits: Eclipse aims to make Ethereum more scalable and efficient, making it more accessible for developers and users.

Metis

  • Technology: Layer 2 scaling solution

  • Key Features: Metis aims to provide a scalable and efficient blockchain infrastructure. It focuses on enhancing the scalability and efficiency of blockchain networks.

  • Benefits: Metis aims to make blockchain technology more scalable and efficient, making it more accessible for developers and users.

Celer Network

  • Technology: Blockchain interoperability protocol

  • Key Features: Celer Network operates across Ethereum and Polkadot, aiming to enhance interoperability and scalability. It allows for the transfer of assets and data across different blockchains.

  • Benefits: Celer Network aims to make blockchain technology more interoperable and scalable, enabling a more connected and efficient ecosystem.

These L2 solutions represent a wide range of technologies and approaches to scaling blockchain networks, from rollups and sidechains to interoperability protocols. Each solution has its unique features and focus areas, contributing to the broader ecosystem of blockchain scaling solutions.

Can anyone create an L2 Solution? And why do so many exist?

Looking at all of the above l2 solutions, I am pretty sure for beginners into the ecosystem, you might be wondering how you should pick the L2 solution you want to transact on and how many more can exist and what is the point of all this. We will be breaking this down here.

The existence and diversity of Layer 2 (L2) solutions in the blockchain ecosystem can be understood through several key factors, each contributing to the development and proliferation of these innovative scaling solutions.

1. Demand for Scalability and Efficiency

One of the primary reasons for the existence of L2 solutions is the inherent scalability challenges faced by Layer 1 (L1) blockchains like Ethereum and Bitcoin. These networks were not initially designed to handle the volume of transactions and data they now support, leading to slow transaction times and high gas fees. L2 solutions emerged as a response to this demand, offering a way to process transactions off-chain while still maintaining the security, transparency, and decentralization of the underlying L1 blockchain.

2. Innovation and Diversity

The permissionless nature of blockchain technology encourages innovation and diversity in L2 solutions. Different projects may focus on different aspects of scalability, security, and user experience, leading to a wide range of solutions tailored to various needs and use cases. This diversity is a testament to the vibrant and innovative nature of the blockchain ecosystem, where new ideas and technologies are constantly being developed and tested.

3. Evolution of L1 Networks

The future of L2 solutions is closely tied to the development and advancement of L1 networks. As L1 networks evolve and improve in scalability, L2 solutions will also reap the benefits, inheriting all core features and improvements of their underlying L1 blockchains. This synergy between L1 and L2 solutions is crucial for the overall growth and maturation of the blockchain ecosystem.

4. Increasing Total Value Locked (TVL)

The TVL of L2 solutions has been growing rapidly, indicating increasing adoption and investment in these technologies. This growth is a testament to the value that L2 solutions bring to the blockchain ecosystem, enhancing scalability, efficiency, and user experience. The increasing TVL also signals growing confidence in the potential of L2 solutions to address the scalability challenges of L1 networks.

Anyone Can Create an L2 Solution

Given the permissionless nature of blockchain technology, anyone with the technical expertise and resources can create an L2 solution. This openness to innovation is one of the core principles of blockchain technology, encouraging the development of new solutions to address the scalability trilemma of blockchain networks. The ability for anyone to create an L2 solution fosters a competitive environment, where innovative ideas can be tested and refined, leading to the development of more efficient and scalable blockchain solutions.

Finally, The point of all these Layer 2 (L2) solutions is to address the scalability challenges inherent in Layer 1 (L1) blockchains like Ethereum. As the demand for decentralized applications (dApps) and smart contracts grows, the Ethereum network faces congestion, leading to slow transaction times and high gas fees. L2 solutions, by processing transactions off-chain and then posting the final state to the Ethereum mainnet, significantly reduce the load on the main blockchain, thereby enhancing scalability, efficiency, and user experience. They allow for faster transaction finality and cheaper gas costs, making Ethereum more suitable for global enterprise and mass adoption. This is crucial for the blockchain ecosystem to keep up with user demand while accommodating various types of users and transaction requests. The diversity of L2 solutions, from rollups and state channels to sidechains and sharding, reflects the innovative and competitive nature of the blockchain space, where new ideas and technologies are constantly being developed and tested to improve scalability and efficiency.

In conclusion, the existence and diversity of L2 solutions in the blockchain ecosystem are driven by a combination of demand for scalability and efficiency, innovation and diversity, the evolution of L1 networks, and the increasing TVL in L2 solutions. The permissionless nature of blockchain technology also allows anyone to create an L2 solution, fostering a competitive and innovative environment for blockchain scaling solutions.

Benefits offered by L2 Blockchain Solutions

Layer 2 (L2) blockchain solutions offer a multitude of benefits that address the scalability and efficiency challenges faced by Layer 1 (L1) blockchains. These solutions are designed to enhance the transaction capacity and speed of blockchain networks, making them more suitable for high-transaction-volume applications. Here's a detailed look at the benefits offered by L2 solutions:

Increased Transaction Speed and Scalability

  • Off-Chain Processing: L2 solutions process transactions off the main chain, significantly reducing the load on the main blockchain. This approach allows for a higher volume of transactions to be processed without compromising the security and decentralization of the main blockchain.

  • Transaction Aggregation and Rollups: Techniques like rollups aggregate multiple transactions off-chain and then record a single transaction or state update on the L1 blockchain. This aggregation significantly reduces the data and processing load on the main blockchain, enhancing scalability.

Reduced Transaction Costs

  • Lower Fees: By minimizing the burden on the main blockchain, L2 solutions can significantly reduce transaction fees. Lower fees make blockchain transactions more economically viable, especially for small or frequent transactions

Maintaining Security and Decentralization

  • Independent Security Mechanisms: While L2 solutions rely on the underlying L1 for overall network security, they often have their own security mechanisms to protect off-chain transactions. These independent security features ensure the integrity of transactions processed off the main blockchain.

  • No Structural Change Required: The main chain doesn’t need to go through any structural change to implement L2 solutions. This ensures that the benefits of blockchain technology, such as security and trustlessness, are not compromised for scalability.

Real-World Applications

  • Finance and DeFi: L2 solutions facilitate faster, more cost-effective transactions and settlements, enabling high-frequency trading and improved liquidity in the financial sector, particularly in decentralized finance (DeFi) applications.

  • Gaming and NFTs: In web3 gaming and NFT markets, L2 solutions address scalability issues, enabling faster and cheaper transactions for in-game assets and digital collectibles, and enhancing player experience.

  • Supply Chain Management: L2 solutions improve the tracking and verification of goods across global networks, making processes more transparent and efficient.

Broader Blockchain Utility

  • Facilitating Transfers of Value: By facilitating transfers of value that are fast and efficient, L2 solutions open up broader possibilities for blockchain application. This is particularly evident in regions like El Salvador, where Bitcoin is legal tender, and the speed and efficiency of the Lightning Network have been instrumental

In summary, L2 solutions offer a range of benefits that address the scalability and efficiency challenges of L1 blockchains, making them more suitable for a wide range of applications. These benefits include increased transaction speed and scalability, reduced transaction costs, and the maintenance of security and decentralization.

Future of Ethereum L2 Solutions

The future of Ethereum Layer 2 (L2) solutions is poised to be a transformative period, marked by significant developments and upgrades aimed at enhancing the scalability, interoperability, and overall efficiency of the Ethereum network. These advancements are not only crucial for the Ethereum ecosystem but also for the broader blockchain industry, as they address the scalability trilemma and enable the seamless operation of decentralized applications (dApps) and smart contracts.

Ongoing Developments and Upgrades

  • Ethereum Dencun Upgrade: The Dencun upgrade is a critical phase in the Ethereum 2.0 roadmap, aimed at improving the scalability and efficiency of the Ethereum network. This upgrade is set to be deployed on the Goerli testnet in January 2024, marking a significant step towards a more scalable, secure, and sustainable network.

  • Optimism and Arbitrum: Both Optimism and Arbitrumhave made significant strides in scaling Ethereum, utilizing Optimistic Rollups to enhance transaction throughput and reduce fees. Optimism's OP Mainnet and the Superchain Project aim to enhance interoperability among chains, creating a unified blockchain ecosystem. Arbitrum's Arbitrum Stylus and the BOLD protocol are examples of its continuous efforts to improve scalability and security.

  • Polygon 2.0: The unveiling of Polygon 2.0, a network of zero-knowledge layer 2 blockchains, signifies Polygon's ambition to offer a robust foundation for decentralized applications and digital transactions. This update positions Polygon as a leader in blockchain scalability and innovation, further solidifying its position as a top layer-2 project.

  • MetisDAO: MetisDAO's unique scalability approach using Optimistic Rollups, coupled with its commitment to simplicity and user-friendliness, makes it an appealing platform for developers and users. Its continuous efforts in building a diverse ecosystem, including partnerships and integrations with various DeFi, NFT, and enterprise applications, have significantly expanded its use cases and market appeal.

  • Blast: Blast's innovative auto-rebasing mechanism and collaborations with protocols involving real-world assets have secured a significant total value locked (TVL) of over $2.5 billion. Its unique proposition of native yields for stablecoins and gas subsidies for developers and NFT perpetual positions Blast as a potentially influential player in the Ethereum Layer-2 space.

Why These Developments Could Work Out

The future of Ethereum L2 solutions is promising for several reasons:

  • Scalability and Efficiency: The ongoing developments and upgrades are designed to address the scalability challenges of the Ethereum network, enabling faster transaction times and lower fees. This is crucial for the widespread adoption of blockchain technology and decentralized applications.

  • Interoperability: Projects like Optimism and Polygon are focusing on enhancing interoperability among chains, creating a more connected and efficient blockchain ecosystem. This is essential for the growth of decentralized finance (DeFi) and other blockchain applications.

  • Community and Developer Support: The L2 solutions are actively fostering a robust community and developer ecosystem, providing resources like documentation, bug bounty programs, and technical support. This support is crucial for the development and adoption of these solutions.

  • Market Demand: The demand for scalable, efficient blockchain solutions is more pressing than ever, with the TVL of Ethereum scaling solutions exceeding $15.5 billion. This demand, coupled with the recent bull run in the crypto market, highlights the potential and importance of Ethereum L2 scaling protocols.

In conclusion, the future of Ethereum L2 solutions looks promising, with ongoing developments and upgrades aimed at enhancing scalability, interoperability, and overall efficiency. These advancements are not only crucial for the Ethereum ecosystem but also for the broader blockchain industry, as they address the scalability trilemma and enable the seamless operation of decentralized applications and smart contracts. The commitment to community and developer support, coupled with the market demand for scalable blockchain solutions, underscores the potential success of these developments.

Demerits of L2 Blockchain Solutions

Layer 2 (L2) blockchain solutions, while offering significant improvements in scalability and efficiency for Layer 1 (L1) blockchains like Ethereum, come with a set of demerits that are crucial to consider. These demerits range from technical limitations to broader ecosystem challenges.

Here's a detailed exploration of these demerits:

Technical Limitations

  • Complexity and User Experience: L2 solutions often introduce complexity for users, requiring them to interact with multiple platforms or accounts. This can lead to a less intuitive user experience, potentially deterring users from adopting these solutions.

  • Security Concerns: While L2 solutions are secured by the underlying L1 blockchain, they introduce new security considerations. For example, the off-chain processing of transactions can introduce vulnerabilities if not properly managed. Additionally, the reliance on a single L1 blockchain can create a single point of failure.

  • Interoperability Issues: The fragmentation of L2 solutions can lead to interoperability challenges. Users and developers may face difficulties when trying to move assets or data between different L2 solutions, complicating cross-chain interactions.

Ecosystem Challenges

  • Liquidity and Market Fragmentation: The decentralization of liquidity across different L2 solutions can lead to market fragmentation. This fragmentation can impact the efficiency and stability of the market, potentially affecting the value of assets and tokens.

  • Centralization Risks: Despite their decentralized nature, L2 solutions can inadvertently lead to centralization risks. For example, if a few L2 solutions dominate the market, they could become critical points of failure or control, undermining the decentralized nature of the ecosystem.

  • Regulatory and Legal Uncertainties: The regulatory landscape for blockchain technology and L2 solutions is still evolving. This uncertainty can create challenges for developers, users, and regulators, potentially affecting the adoption and development of L2 solutions.

Economic Considerations

  • Transaction Fees and Costs: While L2 solutions aim to reduce transaction fees, they may introduce new costs or fees for users. For example, users may need to pay fees to move assets between L2 solutions, which could offset some of the benefits of reduced L1 transaction fees

  • Economic Incentives: The economic incentives for validators and miners on L2 solutions may differ from those on L1 solutions, potentially affecting the stability and security of these networks. This could lead to challenges in attracting and retaining participants.

Environmental Impact

  • Energy Consumption: L2 solutions, particularly those that rely on off-chain processing, may have a lower environmental impact compared to L1 solutions. However, the overall energy consumption of the blockchain ecosystem, including L2 solutions, remains a significant concern. The environmental impact of blockchain technology, including L2 solutions, is an area of ongoing debate and research.

Therefore, while the L2 layer solutions offer promising solutions to the scalability challenges of L1 blockchains, they come with a set of demerits that need to be carefully considered. These demerits range from technical limitations and ecosystem challenges to economic considerations and environmental impacts. Addressing these demerits will be crucial for the long-term success and adoption of L2 solutions in the blockchain ecosystem.

Conclusion

In conclusion, Ethereum Layer 2 (L2) solutions are pivotal in addressing the scalability challenges of the Ethereum blockchain, offering a more efficient and affordable experience for users and developers in the rapidly growing Web3 ecosystem. By processing transactions off the main Ethereum chain and only interacting with the mainnet when necessary, L2 solutions alleviate congestion, leading to faster transaction speeds and significantly lower fees. These solutions maintain the security guarantees of the original Ethereum chain while providing improved performance, making it more efficient and cost-effective for users and developers to engage with the Ethereum network. As the demand for blockchain technology continues to grow, L2 solutions will play a crucial role in shaping the future of decentralized applications (dApps) and decentralized finance (DeFi), ensuring a scalable, secure, and user-friendly blockchain ecosystem.

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