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![AmitFlux Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1476019637854691331.png) Amit S [@AmitFlux](/creator/twitter/AmitFlux) on x XXX followers
Created: 2025-07-18 13:28:57 UTC

Types of Layer 2s

Not all L2s work the same:

🔹 Rollups: Bundle many transactions into one
• Optimistic Rollups: Arbitrum, Base
• ZK Rollups: Starknet, zkSync

🔹 Validiums & sidechains: Different tradeoffs in speed vs security

![](https://pbs.twimg.com/media/GwJLDc6bYAAsH_c.jpg)

XX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1946200522769465352/c:line.svg)

**Related Topics**
[zk](/topic/zk)
[amit](/topic/amit)
[starknet](/topic/starknet)
[coins zk](/topic/coins-zk)
[coins layer 2](/topic/coins-layer-2)
[zksync](/topic/zksync)

[Post Link](https://x.com/AmitFlux/status/1946200522769465352)