Starcoin:Why we need Layer 2

After all these years of development, the blockchain industry has achieved initial proof in the fields of Cryptocurrency and DeFi, and the prototypes of applications are already present, but how to make blockchain technology adopted by massive users is the most important challenge that the industry needs to solve at present.

We can deconstruct the challenge into two questions:

  1. How can blockchain support massive users? That is the blockchain scaling problem.

How can blockchain support massive users

The most critical goal of blockchain is to achieve decentralization, ensure Permissionless, and make a “bootstrap” infrastructure system to serve everyone without distinction, and we call such a system Layer 1.

The key feature of Layer 1 is “bootstrap”, and its Finality only relies on its own internal consensus system, not on external arbitrators. This design also brings scalability problems.

There are two key ideas to solve the scaling problem:

  1. Adopt new technologies, try to build a new Layer 1, such as improving consensus, sharding, multi-chain framework, parallel execution, etc., and make different trade-offs in decentralization, security, and scalability.

There is no consensus in the industry as to how the “Layer” of a blockchain should be divided.

But we can give a broad definition here:

Layer 2 is a blockchain scaling technology solution that achieves finality through Layer 1, to ensure security. It can contain its own internal consensus or rely on external systems to implement consensus, and the key is that its execution results can be reversed on Layer 1 through an arbitration mechanism.

And the achievements of the above two directions of exploration can be combined.

How blockchain can support the building of applications

If we solve the blockchain scaling problem, we also need applications to attract massive users into the decentralized world, which is the main reason why the industry has shifted from Cryptocurrency story to Web3 story.

The relationship between Web3 and blockchain is still debated, but we believe that if Web3 applications are decentralized, it must require the settlement and arbitration capabilities provided by blockchain.

There are several major directions to explore how decentralized applications (DApps) can be built on the chain.

  1. The application is directly implemented through smart contracts, running on the generic smart contract Layer 1, so that it can also be migrated to the Layer 2 execution layer.

All applications in Option 1 run in the same global smart contract world, with no isolation between applications, easily ensuring composability, but competing for the capacity of the same Layer 1.

Option 2 achieves application isolation, but has higher startup costs and still has Layer 1 scaling problem.

We believe that the Web3 application will be built out as Option 3, and there are two difficulties in combining P2P networks and chains:

  1. The asynchronous confirmation mechanism of Layer 1 makes it difficult to provide settlement capability to P2P networks directly.

Starcoin L2 Solution

Based on the above discussion, we found that the market requires such a protocol:

  1. It is a layered modular scaling solution.

And this is the goal of Starcoin L2.

About Starcoin

Starcoin provides the utmost security from the origin via its enhanced PoW consensus and Secure smart contract, using the language of Move. Through layered and flexible interoperability, it optimizes the building of ecosystems such as DeFi, NFTs, Gaming, etc., with higher efficiency and convenience. This process redefines value by empowering every participant in the ecosystem to enjoy the multiplication of values.

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Starcoin is a proof-of-work blockchain that enables secure smart contracts based on Move to power services in Web 3.0

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Starcoin is a proof-of-work blockchain that enables secure smart contracts based on Move to power services in Web 3.0