# Ethernaut category

**URL:** <https://forum.openzeppelin.com/t/ethernaut-category/397>\
**Category:** Meta\
**Created:** [March 13, 2019, 5:14pm UTC](https://forum.openzeppelin.com/t/ethernaut-category/397 "2019-03-13T17:14:21Z")\
**Posts on this page:** 1\
**Showing post:** 32

<div class="post-metadata">

**Author:** ![scammi](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.openzeppelin.com/scammi/32/344_2.png) [@scammi](https://forum.openzeppelin.com/u/scammi)\
**Post date:** [April 6, 2019, 11:35pm UTC](https://forum.openzeppelin.com/t/ethernaut-category/397/32 "2019-04-06T23:35:56Z")

</div>

I agree I’ve compiled what I thought to be the best, where you thinking in a sticky at the ethernaut category?

### Video walk-through:

[Status - Smart Contract Vulnerabilities: Ethernuats](https://www.youtube.com/watch?v=clL3dX8R5Bg)  
[Tim Holmes Mitra - Ethernaut Challenges playlist](https://www.youtube.com/watch?v=QfMDBGYYDUw&list=PLkawcAcbEQP36pMsn5gs6-QpvcYBp4yEX)  
[David Wong - Ethernaut CTF walkthrough](https://www.youtube.com/watch?v=RHh1qSx7v6w)

### Tinchoabbate walkthrough

[Notonlyowner](https://www.notonlyowner.com/)

### Nicole Zhu series

[Lvl 1 Fallback function](https://hackernoon.com/ethernaut-lvl-1-walkthrough-how-to-abuse-the-fallback-function-118057b68b56)  
[Lvl 2 Fallout](https://medium.com/@nicolezhu/ethernaut-lvl-2-walkthrough-how-simple-developer-errors-become-big-mistakes-b705ff00a62f)  
[Lvl 3 Coin Flip](https://medium.com/@nicolezhu/ethernaut-lvl-3-walkthrough-how-to-abuse-psuedo-randomness-in-smart-contracts-4cc06bb82570)  
[Lvl 4 Telephone](https://medium.com/@nicolezhu/ethernaut-lvl-4-walkthrough-how-to-abuse-tx-origin-msg-sender-ef37d6751c8)  
[Lvl 5 Token](https://medium.com/coinmonks/ethernaut-lvl-5-walkthrough-how-to-abuse-arithmetic-underflows-and-overflows-2c614fa86b74)  
[Lvl 6 Delegation](https://medium.com/coinmonks/ethernaut-lvl-6-walkthrough-how-to-abuse-the-delicate-delegatecall-466b26c429e4)  
[Lvl 7 Force](https://hackernoon.com/ethernaut-lvl-0-walkthrough-abis-web3-and-how-to-abuse-them-d92a8842d71b)  
[Lvl 8 Vault](https://medium.com/coinmonks/how-to-read-private-variables-in-contract-storage-with-truffle-ethernaut-lvl-8-walkthrough-b2382741da9f)  
[Lvl 9 King](https://medium.com/coinmonks/ethernaut-lvl-9-king-walkthrough-how-bad-contracts-can-abuse-withdrawals-db12754f359b)  
[Lvl 10 Re-entrancy](https://medium.com/coinmonks/ethernaut-lvl-10-re-entrancy-walkthrough-how-to-abuse-execution-ordering-and-reproduce-the-dao-7ec88b912c14)  
[Lvl 11 Elevator](https://medium.com/coinmonks/ethernaut-lvl-11-elevator-walkthrough-how-to-abuse-solidity-interfaces-and-function-state-41005470121d)  
[Lvl 12 Privacy](https://medium.com/coinmonks/ethernaut-lvl-12-privacy-walkthrough-how-ethereum-optimizes-storage-to-save-space-and-be-less-c9b01ec6adb6)  
[Lvl 13 Gatekeeper 1](https://medium.com/coinmonks/ethernaut-lvl-13-gatekeeper-1-walkthrough-how-to-calculate-smart-contract-gas-consumption-and-eb4b042d3009)  
[Lvl 14 Gatekeeper 2](https://medium.com/coinmonks/ethernaut-lvl-14-gatekeeper-2-walkthrough-how-contracts-initialize-and-how-to-do-bitwise-ddac8ad4f0fd)  
[Lvl 15 Naught Coin](https://medium.com/coinmonks/ethernaut-lvl-15-naught-coin-walkthrough-how-to-abuse-erc20-tokens-and-bad-icos-6668b856a176)  
[Lvl 16 Preservation](https://medium.com/coinmonks/ethernaut-lvl-16-preservation-walkthrough-how-to-inject-malicious-contracts-with-delegatecall-81e071f98a12)  
[Lvl 17 Locked](https://medium.com/coinmonks/ethernaut-lvl-17-locked-walkthrough-how-to-properly-use-structs-in-solidity-f9900c8843e2)  
[Lvl 18 Recovery](https://medium.com/coinmonks/ethernaut-lvl-18-recovery-walkthrough-how-to-retrieve-lost-contract-addresses-in-2-ways-aba54ab167d3)  
[Lvl 19 MagicNumber](https://medium.com/coinmonks/ethernaut-lvl-19-magicnumber-walkthrough-how-to-deploy-contracts-using-raw-assembly-opcodes-c50edb0f71a2)

### Igor Yalovoy

[Ethernaut Alien Codex Solution](https://ylv.io/ethernaut-alien-codex-solution/)

### Tsauvajon

[gitHub .md guide](https://github.com/tsauvajon/ethernaut)

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