Explore the best Layer 1 blockchains for scalability, security, and decentralization. Discover the leading blockchain networks powering Web3 innovation, enabling developers to build high-performance decentralized applications, smart contracts, and next-generation digital ecosystems.
by Vitalik Buterin
by Solana Foundation
by Justin Sun
by Binance
by Ava Labs
by Parity Technologies
by Tendermint
by Fantom Foundation
by DapperLabs
by NEAR Foundation
Layer 1 blockchains form the base layer of blockchain networks, processing transactions and ensuring security. In this article, we’ll break down their core functions, highlight key examples like Bitcoin and Ethereum, and discuss scalability challenges they face.
Layer 1 blockchains serve as the foundational networks for transaction processing, smart contracts, and decentralized applications, ensuring network security and integrity.
Scalability remains a significant challenge for Layer 1 blockchains, necessitating the exploration of Layer 2 solutions to enhance performance and facilitate increased transaction volumes.
Emerging trends such as interoperability, advanced security measures, and innovative approaches like sharding are shaping the future landscape of Layer 1 blockchains, driving innovation and adoption across various industries.
Layer 1 blockchains form the backbone of the blockchain ecosystem, handling transactions and maintaining a secure, decentralized infrastructure. As the base layer, they support numerous applications and services while ensuring network integrity.
The importance of Layer 1 blockchains will grow as the blockchain space continues to evolve.
Layer 1 blockchains serve as the fundamental networks for finalizing transactions. Referred to as the mainnet, these blockchains also record transactions and form the infrastructure on which other blockchain layers are built.
Their key functionalities include:
Processing and finalizing transactions
Enabling the creation and operation of decentralized applications (dApps)
Supporting smart contracts
Facilitating the creation of tokens
For instance, the Ethereum blockchain allows users to define their own rules and execute smart contracts, making it a versatile blockchain platform.
In addition to their role in transaction processing, Layer 1 blocks also provide a secure framework that secures the management of digital identities. This decentralized method enhances user privacy and security by allowing individuals to maintain control over their personal data.
These foundational technologies facilitate secure, efficient digital transactions across various sectors, spurring innovation and transformation within the blockchain space.
Layer 1 blockchains play a critical role in executing transactions, validating data, and maintaining consensus within the network. They act as the ultimate arbitrator for transaction validation, ensuring that all on-chain transactions are processed and finalized accurately. Layer 1 blockchains log a user’s cryptocurrency wallet through asymmetric key pairs, offering a robust and reliable transaction processing method.
Moreover, Layer 1 blockchains support the development and operation of decentralized applications and protocols. Their underlying architecture ensures the security and integrity of these applications, making them a foundational layer in the blockchain ecosystem.
QuickNode, for instance, enhances the performance of Layer 1 blockchains by managing blockchain nodes across a globally distributed, auto-scaling network, ensuring high availability and reliability.
One of the most significant challenges for Layer 1 blockchains is scalability. This issue impacts their performance and overall effectiveness. As more users and transactions are added to the network, the processing capacity of Layer 1 blockchains can become strained, leading to network congestion and slower transaction times. This issue highlights the need for robust scaling solutions that can accommodate increasing user demand and transaction volumes without compromising the network’s performance.
While addressing scalability challenges is difficult, it remains crucial for the growth and adoption of blockchain technology. Various scaling solutions are being explored to enhance the scalability of Layer 1 blockchains, including the integration of Layer 2 solutions. These solutions aim to provide high transaction throughput and reduce network congestion, ensuring that Layer 1 blockchains can support more users and transactions efficiently. A scaling solution is essential for improving overall performance.
Several Layer 1 blockchains have emerged as leaders in the blockchain universe, each playing a critical role in the ecosystem. Here are some of the most prominent examples:
Bitcoin, which is the first and most well-known cryptocurrency
Ethereum, known for its smart contract functionality
Solana, recognized for its high throughput and low transaction costs
Avalanche, which offers unique consensus mechanisms and scalability
Each of these blockchains offers unique features and capabilities.
These blockchains form the foundation of the blockchain space, supporting various applications and driving innovation across multiple sectors.
Bitcoin, the first and most well-known cryptocurrency, uses a proof-of-work consensus mechanism, which requires significant computational power for transaction verification. This process, while secure, can result in longer transaction times, with a Bitcoin transaction taking up to an hour to process depending on network congestion and transaction fees. Despite these challenges, Bitcoin remains a fundamental Layer 1 blockchain with a total supply limit of 21 million coins, ensuring its scarcity and value in the market.
Bitcoin’s current market cap of approximately $1.2 trillion underscores its significance in the cryptocurrency market. As a foundational blockchain platform, Bitcoin continues to play a primary role in the blockchain ecosystem, providing a secure and decentralized bitcoin network for transactions and investments.
Ethereum is another leading Layer 1 blockchain, known for its robust smart contract capabilities and developer-friendly ecosystem. After transitioning to a proof-of-stake consensus mechanism, Ethereum reduced its energy consumption by about 99.95 percent, making it a more sustainable option in the blockchain space. Smart contracts on the Ethereum blockchain are self-executing programs that verify and execute transactions automatically, enhancing the efficiency and security of decentralized applications.
With a market cap of $371 billion and a total value locked (TVL) of $49 billion, Ethereum plays a crucial role in the blockchain ecosystem. The Ethereum blockchain has seen a 47% price increase in the past year, reflecting its growing adoption and importance. Its upgradable smart contracts and predictable fees make it a popular choice for developers and users alike.
Solana is renowned for its high transaction throughput, processing thousands of transactions per second, making it one of the fastest Layer 1 blockchains available. This high throughput is achieved through a unique consensus mechanism called Proof of History (PoH), which enhances transaction speed and efficiency. Additionally, Solana offers significantly low transaction costs, allowing users to execute transactions at minimal expense, further enhancing its appeal.
The total value locked (TVL) in Solana is approximately $3.46 billion, indicating strong user engagement and activity within its ecosystem. Recent upgrades for Solana validators, such as the Firedancer, have been introduced to further enhance the network’s performance and scalability.
Avalanche (AVAX) stands out with its consensus protocol that allows for sub-second transaction finality, making it one of the fastest Layer 1 blockchains. With a market cap of $13.4 billion and a total value locked (TVL) of $1.5 billion, Avalanche is a robust platform that supports various decentralized applications and services.
Its fast transaction processing and scalability make it a significant player in the blockchain space.
As the demand for Layer 1 blockchains grows, the need for enhanced scalability and better security features becomes more pressing. Layer 2 solutions play a crucial role in addressing these challenges by operating on top of existing Layer 1 blockchains, enhancing their efficiency and performance.
Secondary frameworks introduced by Layer 2 solutions facilitate faster and cheaper transactions, alleviating network congestion and enhancing the foundational infrastructure of the user experience.
Layer 2 solutions operate by adding layers on top of existing Layer 1 blockchains, enhancing transaction speed and reducing costs. These solutions work alongside the foundational layer to improve scalability and efficiency. Examples of Layer 2 solutions include the Lightning Network for Bitcoin, which enables faster and cheaper transactions by processing them off-chain, and roll-ups for Ethereum, which bundle multiple transactions into a single on-chain transaction.
Other Layer 2 solutions, such as side-chains and state channels, also play a vital role in enhancing blockchain networks. Side-chains perform specific functions by offloading tasks from the primary blockchain, while state channels enable transactions to be processed off the main blockchain, reducing congestion and improving speed.
Prominent Layer 2 solutions are designed to enhance scalability and transaction speed for Layer 1 blockchains. The Raiden Network, for example, is a Layer 2 solution for Ethereum that enables fast and low-cost token transfers through off-chain payment channels. These solutions significantly enhance cross-border transactions by providing faster processing times and reducing overall fees.
Implementing Layer 2 solutions enables blockchain networks to achieve higher throughput and efficiency, broadening their suitability for various applications and use cases.
Layer 2 solutions provide several benefits that enhance the functionality of Layer 1 blockchains. They significantly lower transaction costs by minimizing the fees associated with traditional on-chain transactions. This reduction in costs is particularly beneficial for applications like decentralized finance (DeFi), where transaction fees can be a significant barrier to entry.
Additionally, Layer 2 solutions improve the user experience by providing faster transaction confirmation times, which is critical for applications that require real-time processing. By optimizing scalability and utility, Layer 2 solutions play a vital role in the continued growth and adoption of blockchain technology.
The blockchain trilemma is a concept that highlights the difficulty of optimizing security, scalability, and decentralization simultaneously. Layer 1 blockchains often face the challenge of improving one aspect of the trilemma, which may inadvertently compromise another aspect.
Grasping this project trilemma is vital for crafting solutions that balance these three extremely difficult critical elements.
Layer 1 blockchains ensure the integrity and security of the network by validating data through consensus mechanisms like Proof of Work (PoW) and Proof of Stake (PoS). However, these mechanisms can be vulnerable to various attacks, such as 51% attacks and Sybil attacks, which can compromise the network’s security. The trade-off between decentralization and security can also lead to vulnerabilities if the network becomes overly centralized.
To enhance scalability while maintaining security, alternative consensus mechanisms like Delegated Proof of Stake (DPoS) are being explored. Additionally, Layer 1 blockchains are adopting advanced security measures, including formal verification and layered security approaches, to enhance overall system integrity.
A higher level of decentralization in Layer 1 blockchains enhances security by reducing the risk of single points of failure or attacks from central authorities. Decentralization improves the resilience of the network, making it more robust against various types of cyber threats. However, as decentralization increases, it may lead to greater demand for consensus, which can slow down transaction processing speeds and impact scalability.
Innovative solutions like sharding can help mitigate the scalability issues associated with higher levels of decentralization by improving transaction throughput without compromising security. Ultimately, the quest for a perfectly decentralized blockchain must find a balance that maintains security while also enhancing scalable solutions, ensuring a responsive and resilient ecosystem.
Sharding in blockchain involves splitting a network into smaller networks, or shards, to enhance efficiency and scalability. Dynamic sharding can achieve greater scalability and decentralization without compromising security. Additionally, self-verifying cryptography, such as zero-knowledge proofs, is being suggested as a technique to address the blockchain trilemma by providing robust security without the need for traditional consensus mechanisms.
Layer 1 blockchains are expected to benefit significantly from innovations in sharding and enhanced consensus algorithms. These advancements are driving innovation and creating new possibilities for achieving a balance between security, scalability, and decentralization.
Ongoing technological innovations such as sharding and new consensus mechanisms are shaping the future of Layer 1 blockchain technology. As these blockchains evolve, they will create new opportunities for businesses and individuals in various sectors, driving innovation and transformation in the blockchain space.
Layer 1 blockchains provide a flexible foundation for developers to build decentralized applications, supporting various functionalities and integrations. Interoperability in blockchain networks enables seamless communication and interaction between different blockchain systems, enhancing the overall ecosystem. The integration of blockchain with technologies such as AI and IoT can lead to innovative solutions and enhanced capabilities across multiple industries.
Efforts to improve interoperability and integration are crucial for the future scalability and functionality of blockchain technology, enabling broader adoption and use cases. By fostering seamless interactions between diverse blockchain networks, these efforts will drive the next wave of innovation in the blockchain universe.
Layer 1 blockchains are increasingly adopting advanced consensus algorithms to bolster security against potential cyber threats. New developments in cryptographic methods are being explored to create more efficient consensus protocols that can improve scalability without sacrificing security. These protocols are being developed to address emerging threats and enhance security in Layer 1 blockchain systems.
By ensuring security through innovative cryptographic techniques and advanced consensus mechanisms, Layer 1 blockchains can maintain their robustness while supporting higher transaction throughputs and decentralized applications. This focus on enhanced security measures is essential for the continued growth and adoption of blockchain technology.
Innovative approaches like sharding are being explored to maintain scalability while ensuring robust security and decentralized integrity. Sharding involves dividing the blockchain network into smaller, more manageable segments, which can process transactions in parallel, significantly increasing the network’s capacity and throughput.
Other innovative strategies are being explored to ensure scalability in Layer 1 blockchains while maintaining security and decentralization. These strategies aim to create a robust platform that can support high transaction throughput and fast finality, ensuring that Layer 1 blockchains can meet the demands of an ever-growing user base.
Layer 1 blockchains are driving innovation and transforming traditional systems across various sectors such as finance, supply chain management, and digital identity. Their ability to provide secure, transparent, and efficient platforms for executing transactions is creating new opportunities and improving existing processes.
Layer 1 blockchains provide secure and transparent platforms for transactions in the financial sector. They facilitate the emergence of decentralized finance (DeFi), offering innovative financial products without traditional intermediaries. DeFi platforms democratize access to financial services, enabling faster and more cost-effective cross-border payments and improving transaction efficiency.
Native tokens of Layer 1 blockchains are used for transaction fees, stakes, and governance, enhancing their operational functionality. Avalanche, for example, supports DeFi applications with low fees and high performance.
Layer 1 blockchains enhance supply chain management by providing:
Traceability and transparency, which help to build trust and improve efficiency
Real-time tracking of goods, ensuring accountability from production to delivery
Reduced fraud and increased consumer confidence by providing authentic and integral products
This transparency is crucial for maintaining the integrity of the supply chain.
The integration of Layer 1 blockchains in supply chains leads to significant improvements in logistics operations overall. By providing a secure and transparent platform for managing supply chain processes, these blockchains are revolutionizing the industry.
Layer 1 blockchains are integrating with technologies such as artificial intelligence (AI) and the Internet of Things (IoT). This collaboration aims to improve digital identity systems through decentralized identity solutions. Digital identity refers to the online representation of individuals, which requires secure and decentralized systems to protect users’ personal information.
Layer 1 blockchains provide a foundational layer that ensures the security and integrity of digital identities through their decentralized nature. By offering a secure and decentralized method for managing digital identities, Layer 1 blockchains reduce the risks of identity fraud and enhance user privacy.
QuickNode is a key player in the blockchain space, providing support for multiple Layer 1 blockchains, including Ethereum, Solana, and Bitcoin. By offering access to these networks, QuickNode enables developers to build applications across various blockchain ecosystems, enhancing the overall functionality and performance of Layer 1 blockchains.
QuickNode is dedicated to providing developer-friendly tools and resources to facilitate building on Layer 1 blockchains. The platform offers a variety of tools, including APIs and documentation, to streamline the development process. QuickNode includes services like one-click backfills and dedicated clusters to enhance the development experience.
Additionally, QuickNode offers high-quality guides and tutorials to assist developers in building decentralized applications on Layer 1 blockchains. These resources are essential for developers looking to leverage the full potential of Layer 1 blockchains and create innovative solutions.
QuickNode provides a robust platform specifically designed for hosting and managing Layer 1 blockchain nodes. The platform is optimized for high performance, enabling low-latency access to blockchain networks and ensuring reliable uptime for nodes. This robust infrastructure supports seamless integration with leading Layer 1 blockchains, ensuring comprehensive management.
By maintaining a high-performance and reliable platform, QuickNode bolsters the overall stability of blockchain applications. This ensures that developers can build and deploy applications with confidence, leveraging the full capabilities of Layer 1 blockchains.
In conclusion, Layer 1 blockchains serve as the foundational infrastructure of the blockchain ecosystem, providing secure and decentralized platforms for a wide range of applications. From addressing scalability challenges to enhancing security and driving innovation, Layer 1 blockchains are at the forefront of the blockchain revolution. As we look to the future, ongoing advancements in technology and new solutions will continue to shape the landscape, creating new opportunities and transforming traditional systems. Embrace the future of Layer 1 blockchains and explore the possibilities they offer.
Layer 1 blockchains serve as the foundational networks where transactions are recorded and finalized, providing the essential infrastructure for the entire blockchain ecosystem.
Scalability poses a challenge for Layer 1 blockchains due to increased user activity and transaction volume, which can strain processing capacity. This results in network congestion and slower transaction times, impacting overall efficiency.
Layer 2 solutions significantly enhance Layer 1 blockchains by improving transaction speed and reducing costs, allowing for faster and more economical transactions. This optimization ultimately drives greater efficiency and scalability in the blockchain ecosystem.
The blockchain trilemma highlights the challenge of achieving a balance between security, scalability, and decentralization within a blockchain network. Addressing all three aspects simultaneously is complex and often leads to trade-offs.
QuickNode supports Layer 1 blockchains by enabling access to various networks, offering developer-friendly tools, and providing a reliable platform for managing blockchain nodes. This comprehensive support streamlines the development process for users.
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