> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfwriteup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ret2basic.gitbook.io/ctfwriteup/web3-ctf/ethernaut.md).

# Ethernaut

## Intro

{% embed url="<https://ethernaut.openzeppelin.com/>" %}
Ethernaut
{% endembed %}

The <mark style="color:red;">**Ethernaut**</mark> is a Web3/Solidity based wargame inspired on overthewire.org, played in the Ethereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'.

Challs:

* [x] Hello Ethernaut
* [x] Fallback
* [x] Fallout
* [x] Coin Flip
* [x] Telephone
* [x] Token
* [x] Delegation
* [x] Force
* [x] Vault
* [x] King
* [x] Re-entrancy
* [x] Elevator
* [x] Privacy
* [x] Gatekeeper One
* [x] Gatekeeper Two
* [x] Naught Coin
* [x] Preservation
* [x] Recovery
* [x] MagicNumber
* [x] Alien Codex
* [x] Denial
* [x] Shop
* [x] DEX
* [x] DEX Two
* [x] Puzzle Wallet
* [ ] Motorbike
* [ ] DoubleEntryPoint
* [x] Good Samaritan
* [ ] Gatekeeper Three
* [ ] Switch