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blank_issues_enabled: true | ||
contact_links: | ||
- name: zksync-developers Discussion | ||
url: https://github.com/zkSync-Community-Hub/zkync-developers/discussions | ||
url: https://github.com/ZKsync-Community-Hub/zkync-developers/discussions | ||
about: Please provide feedback, and ask questions here. |
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export const customIcons = { | ||
custom: { | ||
icons: { | ||
'metamask-logo': { | ||
body: `<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" | ||
viewBox="0 0 204.8 192.4" style="enable-background:new 0 0 204.8 192.4;" xml:space="preserve"> | ||
<style type="text/css"> | ||
.st0{display:none;} | ||
.st1{fill:#F5841F;} | ||
.st2{fill:#E27625;} | ||
.st3{fill:#D7C1B3;} | ||
.st4{fill:#2F343B;} | ||
.st5{fill:#CC6228;} | ||
.st6{fill:#C0AD9E;} | ||
.st7{fill:#763E1A;} | ||
</style> | ||
<g id="bg_x28_do_not_export_x29_" class="st0"> | ||
</g> | ||
<g id="MM_Head_background__x28_Do_not_edit_x29_"> | ||
<g> | ||
<path class="st1" d="M167.4,96.1l6.9-8.1l-3-2.2l4.8-4.4l-3.7-2.8l4.8-3.6l-3.1-2.4l5-24.4l-7.6-22.6 M171.5,25.6l-48.8,18.1l0,0 | ||
l0,0H82l0,0L33.2,25.6l0.3,0.2l-0.3-0.2l-7.6,22.6l5.1,24.4L27.5,75l4.9,3.6l-3.7,2.8l4.8,4.4l-3,2.2l6.9,8.1l-10.5,32.4h0l0,0 | ||
l9.7,33.1l34.1-9.4l0-0.1l0,0.1l0,0l0,0l0,0v0l0,0l0,0l0,0l6.6,5.4l13.5,9.2h23.1l13.5-9.2l6.6-5.4l0,0v0l0,0l0,0l34.2,9.4 | ||
l9.8-33.1l0,0h0l-10.6-32.4 M70.7,152.1L70.7,152.1L70.7,152.1"/> | ||
</g> | ||
</g> | ||
<g id="Logos"> | ||
<g> | ||
<polygon class="st2" points="171.5,25.6 111.6,69.7 122.7,43.7 "/> | ||
<polygon class="st2" points="33.2,25.6 92.6,70.1 82,43.7 "/> | ||
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<polygon class="st3" points="134,152.1 113.6,142.3 115.3,155.5 115.1,161.1 "/> | ||
<polygon class="st3" points="70.7,152.1 89.7,161.1 89.6,155.5 91.2,142.3 "/> | ||
<polygon class="st4" points="90,119.9 73.1,115 85.1,109.5 "/> | ||
<polygon class="st4" points="114.7,119.9 119.7,109.5 131.7,115 "/> | ||
<polygon class="st5" points="70.7,152.1 73.7,127.9 54.8,128.4 "/> | ||
<polygon class="st5" points="131.1,127.9 134,152.1 150,128.4 "/> | ||
<polygon class="st5" points="145.4,101.2 111.6,102.7 114.7,119.9 119.7,109.5 131.7,115 "/> | ||
<polygon class="st5" points="73.1,115 85.1,109.5 90,119.9 93.2,102.7 59.4,101.2 "/> | ||
<polygon class="st2" points="59.4,101.2 73.5,128.7 73.1,115 "/> | ||
<polygon class="st2" points="131.7,115 131.2,128.7 145.4,101.2 "/> | ||
<polygon class="st2" points="93.2,102.7 90,119.9 94,140.3 94.9,113.5 "/> | ||
<polygon class="st2" points="111.6,102.7 109.9,113.4 110.7,140.3 114.7,119.9 "/> | ||
<polygon class="st1" points="114.7,119.9 110.7,140.3 113.6,142.3 131.2,128.7 131.7,115 "/> | ||
<polygon class="st1" points="73.1,115 73.5,128.7 91.2,142.3 94,140.3 90,119.9 "/> | ||
<polygon class="st6" points="115.1,161.1 115.3,155.5 113.7,154.2 91,154.2 89.6,155.5 89.7,161.1 70.7,152.1 77.3,157.5 | ||
90.8,166.8 113.9,166.8 127.4,157.5 134,152.1 "/> | ||
<polygon class="st4" points="113.6,142.3 110.7,140.3 94,140.3 91.2,142.3 89.6,155.5 91,154.2 113.7,154.2 115.3,155.5 "/> | ||
<polygon class="st7" points="174.1,72.6 179.1,48.2 171.5,25.6 113.6,68.2 135.9,86.9 167.4,96.1 174.3,88 171.3,85.8 176.1,81.5 | ||
172.4,78.6 177.2,75 "/> | ||
<polygon class="st7" points="25.6,48.2 30.7,72.6 27.5,75 32.3,78.7 28.6,81.5 33.4,85.8 30.4,88 37.4,96.1 68.9,86.9 91.2,68.2 | ||
33.2,25.6 "/> | ||
<polygon class="st1" points="167.4,96.1 135.9,86.9 145.4,101.2 131.2,128.7 150,128.4 178,128.4 "/> | ||
<polygon class="st1" points="68.9,86.9 37.4,96.1 26.9,128.4 54.8,128.4 73.5,128.7 59.4,101.2 "/> | ||
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110.8,113.5 "/> | ||
</g> | ||
</g> | ||
</svg>`, | ||
}, | ||
}, | ||
}, | ||
}; |
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<script setup lang="ts"> | ||
const props = defineProps({ | ||
network: { type: String, required: true }, | ||
}); | ||
const chainName = props.network === 'mainnet' ? 'ZKsync Era Mainnet' : 'ZKsync Sepolia Testnet'; | ||
function addNetwork() { | ||
const config = { | ||
mainnet: { | ||
chainId: '0x144', | ||
rpcUrls: ['https://mainnet.era.zksync.io'], | ||
blockExplorerUrls: ['https://explorer.zksync.io/'], | ||
}, | ||
testnet: { | ||
chainId: '0x12c', | ||
rpcUrls: ['https://sepolia.era.zksync.dev'], | ||
blockExplorerUrls: ['https://sepolia.explorer.zksync.dev/'], | ||
}, | ||
}[props.network]; | ||
window.ethereum.request({ | ||
method: 'wallet_addEthereumChain', | ||
params: [ | ||
{ | ||
chainId: config.chainId, | ||
chainName: chainName, | ||
nativeCurrency: { name: 'Ethereum', symbol: 'ETH', decimals: 18 }, | ||
iconUrls: ['https://docs.zksync.io/favicon-32x32.png'], | ||
rpcUrls: config.rpcUrls, | ||
blockExplorerUrls: config.blockExplorerUrls, | ||
}, | ||
], | ||
}); | ||
} | ||
</script> | ||
|
||
<template> | ||
<UButton | ||
type="button" | ||
icon="i-custom-metamask-logo" | ||
size="xl" | ||
:variant="chainName === 'ZKsync Era Mainnet' ? 'solid' : 'soft'" | ||
@click="addNetwork" | ||
> | ||
Add {{ chainName }} | ||
</UButton> | ||
</template> |
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--- | ||
title: ZKsync overview | ||
description: A quick overview of what is ZKsync | ||
--- | ||
|
||
## What is ZKsync? | ||
|
||
**ZKsync Era** is a Layer 2 **[ZK | ||
rollup](https://docs.zksync.io/build/developer-reference/rollups.html#what-are-zk-rollups)**, a trustless protocol that | ||
uses cryptographic validity proofs to provide scalable and low-cost transactions on Ethereum. In ZKsync Era, computation | ||
is performed off-chain and most data is stored off-chain as well. Transactions are bundled into batches before | ||
generating a validity proof. As all validity proofs are proven on the Ethereum mainchain, users enjoy the same security | ||
level as in Ethereum. | ||
|
||
ZKsync Era is made to look and feel like Ethereum, but with a higher throughput and lower fees. Just like on Ethereum, | ||
smart contracts are written in Solidity/Vyper and can be called using the same clients as the other EVM-compatible | ||
chains. | ||
|
||
You don't need to register a separate private key before using it; ZKsync supports existing Ethereum wallets out of the | ||
box. | ||
|
||
## Main features | ||
:check-icon Mainnet-like security with zero reliance on 3rd parties. | ||
|
||
:check-icon Permissionless EVM-compatible smart contracts. | ||
|
||
:check-icon Preserving key EVM features, such as smart contract composability. | ||
|
||
:check-icon Standard Web3 API. | ||
|
||
:check-icon State updates via transaction outputs (also known as state diffs) which provides significant cost savings | ||
over transaction inputs. | ||
|
||
:check-icon Native account abstraction with improvements over EIP4337 (implemented in Ethereum and other rollups). | ||
|
||
You can find [more information about ZKsync Era in l2beat](https://l2beat.com/scaling/projects/zksync-era#stage). | ||
|
||
## Developer experience | ||
|
||
ZKsync Era was built to provide a similar developer experience as Ethereum. | ||
|
||
:check-icon Smart contracts can be written in Solidity or Vyper. | ||
|
||
:check-icon Most contracts work out of the box so migrating projects is seamless. | ||
|
||
:check-icon Smart contracts are compiled with custom compilers: **[zksolc and | ||
zkvyper](https://docs.zksync.io/zk-stack/components/compiler/toolchain/overview.html)**. | ||
|
||
:check-icon Use existing frameworks | ||
like **[Hardhat](https://docs.zksync.io/build/tooling/hardhat/getting-started.html),** libraries like Ethers, Viem, or | ||
web3.js, and tools like theGraph, Thirdweb, or Chainlink. | ||
|
||
:check-icon Web3 API compatibility enables support of most developer tools. | ||
|
||
:check-icon Different **[tools for testing and debugging | ||
locally](https://docs.zksync.io/build/test-and-debug/getting-started.html)**. | ||
|
||
## User experience | ||
|
||
Interacting with applications built on ZKsync Era is seamless, cheap and fast. | ||
|
||
- Transactions have instant confirmations and fast finality on L1. | ||
- Transaction fees are extremely low (see [average transaction costs | ||
here](https://www.growthepie.xyz/fundamentals/transaction-costs)). | ||
- Transaction fees can be conveniently paid with ERC20 tokens (e.g. USDC) thanks to **[native account abstraction and | ||
paymasters](https://docs.zksync.io/build/developer-reference/account-abstraction.html)**. | ||
- Support for existing Ethereum-based wallets like Metamask, TrustWallet, Zerion or Rabby. | ||
|
||
## Get started | ||
|
||
- Follow [this guide to add the ZKsync network to your wallet](connect-zksync). | ||
- Get [testnet funds from one of the faucets](/ecosystem/network-faucets) | ||
- Deploy your first smart contract to ZKsync Era in the **[quickstart](quickstart)**. |
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