What Are Blockchain Layers?
Aishwarya Jaiswal
Project Manager| Web2 & Web3 Product Development| Agile Practitioner | Blockchain Enthusiast| Increasing Cross Functional Team Productivity by 45% ????
In this article, let’s decode how a blockchain works and the different layers in a blockchain in the simplest possible way.
Blockchain is a distributed ledger that stores transaction records. For example, Bitcoin is powered by the Bitcoin blockchain and every transaction where there is sending and receiving of Bitcoins is recorded on the blockchain. It is an efficient alternative to conventional record-keeping and verification because of its transparency. Meaning, every transaction on a public blockchain can be viewed by anyone.?
Layer 0
Blockchain in itself is called layer zero. The components required to make blockchain real are the internet, hardware, and many other connections.?Layer zero blockchain?is the initial stage that allows various networks to function, such as Bitcoin, Ethereum, and many more. Layer 0 also provides blockchain with a facility of cross-chain interoperability communication from top to different layers. Layer 0 provides the underlying infrastructure for blockchain.?
Layer 1
Layer 1 blockchain is an advancement in layer 0. Under this layer, the blockchain network is maintained functionally. However, scaling is a limitation in the layer one blockchain. Any changes and issues arising in the new protocol in layer 0 will also affect?layer 1. It is also called an implementation layer. Examples of layer one blockchains are Bitcoin, Ethereum, Cardano, Ripple, etc.
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Layer 2
Layer 0 has many interactions that have been removed by layer 2. For specific blockchains,?layer 2 blockchain?is the scaling solution. It works with third-party integration and removes the limitations of Layer 1. It is the most popular approach for solving scaling issues attached to POW networks. At present, various industries have begun implementing layer two technologies.??
Layer 3
Layer 3 blockchain is also referred to as the “application layer”. The main task of this layer is to host the DAapps and many other protocols that enable other apps. Here, the blockchain protocol is split into two significant sub-layers, that is, application and execution. It is the most potent solution to separate blockchains with cross-chain capabilities for achieving the target of real interoperability.
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