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# System prepended metadata

title: Why Taiko? What's Taiko?

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title: "Why Taiko? What's Taiko?"
description: "Why Taiko? What's Taiko?"
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![](https://i.imgur.com/D2iXM1i.png =100x)

## Why Taiko? What's Taiko?

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## Why Taiko?

- Layer 2s need to be **decentralized & permissionless**.
- zkRollups will share a common spec (and developer experience) close to Ethereum’s (**Type-1**).
- No rollup can scale Ethereum singlehandedly (state explosion). **We need multiple L2s and L3s**.

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## What's Taiko?

- Decentralized:  blocks proposed & sequenced by L1 validators (Justin Drake: **based rollup**); proven permissionlessly.
- **Type-1**: Same VM, gas price, keccak, ECDSA, Trie… (time-adjusted 1559, w/o 4844/blob)
- Same codebase/solution for layer 3s -- **"Inception Layers"**

![](https://i.imgur.com/8i6RoUC.png =500x)

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## Inception layers

![](https://i.imgur.com/wH1g0xL.png)


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## Inception layers

![](https://i.imgur.com/P1mFly0.png)


- Built-in message passing across all L2s and L3s
- Open to all apps to send arbitrary messages

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## Thank you

| | |
|--|--|
|**Discord**|https://discord.gg/taikoxyz|
|**Docs**|https://taiko.xyz|
|**GitHub**|https://github.com/taikoxyz|
|**Twitter**|https://twitter.com/taikoxyz|

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