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What is actually Blockchain Layers ?

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What is actually Blockchain Layers ?

Here I am with another post here I will try to make you understand the concept of Layers :

https://preview.redd.it/gtrbyev5iytb1.jpg?720&format=pjpg&auto=webp&s=f10a7a1085b9caa2c033d5e19921ea2d83843619

In the context of Cryptocurrencies Layer 1 , Layer 2 , Layer 3 is often used to describe the components of the Crypto World , every layers represent different solutions which I will try to discuss here :

Layer 1 :

This is the base Layer of the blockchain network , it is the layer where three main characteristics of a blockchain really start to come in : decentralization , open-source , immutability. Each blockchain can run independently of any other chain.

Each Layers solutions has it's own structure, including consensus mechanisms, ledger systems, coding language, and often has its own token. Bitcoin and Ethereum are examples of Layer 1 solutions.

Solutions: Consensus protocol changes (like forks), sharding, changes in block size

https://preview.redd.it/ccbcuzy7iytb1.jpg?720&format=pjpg&auto=webp&s=04fda9459864a3cb204bb2bf0c8f9aa2988da8fe

Layer 2:

They are third-party integrations that are built on top of Layer 1 chains to add efficiency (system
throughput) or scalability. Layer 2 transactions are considered β€œoff-chain.” Layer 2 solutions are built on top of Layer 1 blockchain , their main motive is to work for the scalability issue and transaction speed issues , Like Lightning Network for Bitcoin and Optimistic Rollups for Ethereum . but can't rely on Layer 2 for security , Layer 1 deals with security more precisely.

Solutions : State channels, nester blockchains, sidechain, Optimistic rollups, Zero-knowledge rollups, Plasma, Validium

https://preview.redd.it/20o63w4aiytb1.jpg?720&format=pjpg&auto=webp&s=b7ae7eb7dcf2cf98910f12956cebd61e44430621

Layer 3:

Though it is less commonly used in the terminology , could refers to as the additional layer , adds the visual UI component, creating apps and utilizing blockchain technology to create applicable use cases for everyday users. They are often referred to as Dapps.

https://preview.redd.it/alxnnopbiytb1.jpg?720&format=pjpg&auto=webp&s=93f38a9912f580523c6c65db2c22bf3235ddf04e

I am trying to Keep the post as short as possible because many People in our community avoid Long reads .

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