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What Is Layer 1 Blockchain? What Is The Difference Between Layer-1 And Layer 2?

By Barry Stidham
Mar 28, 2025
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If we mockingly refer to blockchain as the "it girl" of Web3, we wonder how she manages to accomplish it all. Layers are the key. These interoperable networks, which span layer 1 and layer 2 in general, collaborate to store, maintain, and distribute data across digital decentralized databases that also serve as peer-to-peer, immutable public ledgers. So, what is layer 1 blockchain?

The layer 1 architecture of Bitcoin serves as the foundation for the security of the largest cryptocurrency in the world, which is now valued at $367 billion. It uses a proof-of-work consensus algorithm to verify new blocks using a computationally expensive cryptographic problem Bitcoin is widely regarded as the most secure, decentralized platform, it can take anywhere between 10 and an hour to process a single transaction. So…

What Is Layer 1 Blockchain?

A blockchain platform's basic base network is Layer 1. It executes all on-chain transactions, serving as the authoritative record in a public ledger.

For the majority of networks, processing a transaction entails logging a user's cryptocurrency wallet using asymmetric key pairs and the associated coin or token balances. To verify and complete the trade or sale, the deal goes through a consensus be unichanism, which p to each will . Additionally, layer 1 blockchains support a native token that is used to pay transaction fees, or "gas fees," in transactions.

Security, scalability, and decentralization are the three primary criteria that must be traded off in order to determine which consensus method is best for a platform. The term "the blockchain trilemma," first used by Vitalik Buterin, co-founder of Ethereum, describes this compromise. Whatever the layer 1 protocols don't completely address, usually scalability, can be made up for in the layer 2 protocol that is built on top of it (more on that later), extending the capability of the mainnet.

What Is The Difference Between Layer-1 And Layer 2?

Since layer 1 protocols' main functions are decentralization and security, layer 2 networks can focus their energies on giving a blockchain useful features and improved scalability.

Co-founder of Enjin, a pre-Bitcoin platform that unveiled a line of NFT-focused products, Witek Radomski, provided his perspective on the distinction.

Radomski added, "Layer 1 blockchains contain a permanent ledger of all transactions." "While a layer 2 chain is a compressed version with only a portion of the transaction history, a layer 1 node will store all of the blockchain's history. are often designed to lighten the strain of common transactions on the mainnet.

Layer 1 solutions typically include a network of nodes and block-producing miners, storage for all transaction data, and a consensus mechanism. In contrast, layer 2 solutions can take many different forms but frequently include complementary chains that, as previously, simply mentioned sort of scaling solutions.

A layer 1 mainnet is required for every blockchain. The majority of blockchain-based systems can operate with Layer 2 protocols, however they are not required.

Summary

So, this is all about “what is layer 1 blockchain?” A blockchain's foundational infrastructure is referred to as Layer 1. Layer 1 protocols, also known as "the mainnet," have unique capabilities like the capacity to process and complete transactions on their own chain. They set the guidelines because they are the primary network in their ecosystem.

Disclaimer: The information on this page may have been obtained from third parties and does not necessarily reflect the views or opinions of BitKan. This content is provided for general informational purposes only, without any representation or warranty of any kind, nor shall it be construed as financial or investment advice. BitKan shall not be liable for any errors or omissions, or for any outcomes resulting from the use of this information. Investments in digital assets can be risky. Please carefully evaluate the risks of a product and your risk tolerance based on your own financial circumstances. Products mentioned in this article may not be available in your region.

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