Understanding Blockchain Layers | mint


An investor must be fully informed of his investment plan, just like with traditional investing.

Understanding how each project fits into the larger ecosystem is crucial, beyond the overarching messages it may deliver.

One of the easiest ways to start categorizing various currencies is to use the layering principle (and, in turn, various companies).

It is possible that one has heard of Blockchain Layers as solutions 0, 1, 2 or even Layer 3.

However, what do these layers mean?

Let’s use an analogy to try to understand the different layers of blockchain.

Layer 0

The basis of a blockchain is offered by Layer 0 technology, which consists of hardware and software components, which can be used to create blockchains.

Think about nodes and everything needed to connect them and transfer data, like mining equipment and protocols.

Important Features

Layer 0 makes interoperability possible (i.e. different blockchains built on the same layer 1 foundation can talk to each other)

Dapps can “cross-chain” if two chains are built on the same layer, which is hugely beneficial for developers.

It combines a conventional network with a blockchain.

Examples are Cosmos, Avalanche, Polkadot, and Avalanche.

Layer 1 Blockchain

Layer 1 is like the first floor of a residence.

The L1s, examples of which are Bitcoin and Ethereum, are the ones you are most likely familiar with.

These use the L0 infrastructure to perform the data transport.

Consensus mechanisms, ledger systems, a coding language, and usually a special token are all possible components of the individual structure each L1 has.

The work required to run a blockchain’s core processes, which consume the most power, is essentially done on L1.


At Level 1, the decentralization, open-source, and immutability of a blockchain begin to fully manifest.

At level 1, each blockchain can operate independently of all other chains.

The operation of the chain, the sharing of data and the documentation are all defined by its particular structure.

Develop guidelines and procedures for decentralized applications (Dapps).

Some examples are Bitcoin, Ethereum, Solona, ​​Cardano, Tezos and Algorand.

Layer 2 Blockchain

The second floor of the house is layer 2, which has some advantages but is not essential to the operation of a blockchain.

These are third-party integrations that improve efficiency (system throughput) or scalability above L1 chains.

“Off-chain” transactions are those that take place at level 2.

Important Features

The primary goal of Layer 2 solutions, which should not be confused with applications, is to reduce L1 congestion by disconnecting certain transactions.

Greater flexibility for L2 nodes (i.e. they can be any number of servers owned by a company or individual, rather than decentralized.)

Layer 1 strings must be secure.

Layer 3 Blockchain

The third layer consists of roofs and surroundings.

When building applications and using blockchain technology, L3 integrates the visual UI component to create use cases applicable to average people.

They are often called Dapps.

Important Features

Improving the usability of blockchain technology.

Provide clear use cases for a typical end user.

Essential to wide acceptance.

Uniswap, Curve and Opensea are some examples.

You can probably hear about it on different levels when it comes to the solutions it offers.

Because they have so much information to manage, Layer 1s struggle to maintain speed and scalability.

This is especially true as expansion requires either granting security or decentralizing (Vitalik Buterin has defined this as the “blockchain trilemma”).

As more individuals join the blockchain ecosystem, L1s find it increasingly difficult to track transactions.

Users are forced to choose between paying excessive fees and having to wait hours or even days for their transactions to be validated.

Many solutions have been proposed in response.

Examples of Layer 1 solutions include sharding, block sizing, and changes to the consensus mechanism (like forks).

Examples of Layer 2 solutions include state channels, nested blockchains, side chains, optimistic rollups, zero-knowledge rollups, Plasma, and Validium.


There are several ways to divide the different blockchain technologies and the developing industries they support.

As you continue to study and explore, pay attention to efforts that support tokens and be aware of activities that simply seek to sell tokens.

Understanding the sophisticated technology behind each project and assessing the value it is likely to provide is necessary to make sense of the blockchain industry’s deluge of noise.

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