## Learnings from a fully permissionless ZK-rollup
**Marcus, Taiko Labs**
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## Topics of discussion
- What is Taiko?
- What did we learn about?
- Specialized proposer role
- Specialized prover role
- L2s vs L3s
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## What is Taiko
- An Ethereum-equivalent ZK Rollup (a Type 1 ZK-EVM)
- L1 sequenced / "based rollup"
- Fully open source and MIT licensed (community project)
- Fully permissionless block proposing and proving
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## Block proposing
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## Deriving blocks
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## Proving blocks
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## Verifying blocks
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## Money on the table
- Permissionless roles are not "for fun", there's a lot of economic stake which leads to higher efficiency
- Keep the design maximally simple, do as little as possible (think PBS)
- Abstract away the complexity to give a lot of design freedom to other markets (MEV and proving)
- What does Taiko do? Ideally very little!
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## Specialized proposer role
- PBS on L2 (re-use mev-boost for now, ePBS later)
- Proposer doesn't "exist" anymore, now searchers
- Pay the validator (coinbase address) conditionally (first L2 block)
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## Specialized prover role
- New developments in abstracting the prover pool (see: https://github.com/taikoxyz/taiko-mono/pull/14510)
- Proof markets may emerge similar to builder markets for proposing
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## L2s vs L3s
- Generally the same thing depending on how you view it
- L2s make it look more like one chain, "Taiko"
- L3s may be better for specific use cases but not general purpose scaling
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## Thank you
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|**Discord**|https://discord.gg/taikoxyz|
|**Docs**|https://taiko.xyz|
|**GitHub**|https://github.com/taikoxyz|
|**Twitter**|https://twitter.com/taikoxyz|
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