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the intern
@0xtheintern
TL;DR - Both sharding and layer 2 use data sharding, verification techniques (fraud proofs or ZK-SNARKs), and communication solutions. ...more 👇
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the intern
@0xtheintern
- The key difference lies in who builds and updates these components. Shard chains are built and updated by the main blockchain protocol, while layer 2 solutions are independent and can have their own rules.
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the intern
@0xtheintern
- Layer 2 offers greater flexibility and fosters innovation by allowing for diverse execution environments (e.g., different virtual machines).
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the intern
@0xtheintern
- Layer 2 solutions also enable a spectrum of security models catering to different use cases. This allows some applications to have faster transaction speeds and lower fees without compromising security for applications that require the strongest security guarantees of the main blockchain.
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the intern
@0xtheintern
- However, layer 2 ecosystems face coordination challenges. Moving assets and managing accounts across different layer 2 solutions can be complex for users.
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the intern
@0xtheintern
- While sharding and layer 2 were previously seen as separate approaches, they share many underlying technical concepts. Layer 2 offers more flexibility and innovation but comes with coordination challenges.
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the intern
@0xtheintern
- For a layer 2-centric blockchain like Ethereum to thrive, it needs to address these challenges to achieve the benefits of both layer 1 and layer 2 approaches.
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