Playing with a (CTF) Smart Contract [Hackvent 2022 - Day 6]
The day 6 challenge in Hackvent 2022 is to read data from a smart contract. In this video, I'll go over how to use Metamask and Remix to interact with smart contracts, and then switch to Python / web3 to read data from the blockchain even though it's private.
Hackvent 2022 writeup: https://0xdf.gitlab.io/hackvent2022/easy
Metamask: https://metamask.io/
Remix: https://remix.ethereum.org/
☕ Buy Me A Coffee: https://www.buymeacoffee.com/0xdf
#hackvent
[00:00] Introduction
[00:26] Challenge description
[01:05] Installing / configuring Metamask
[02:34] Getting contract into Remix
[03:18] Setting up Remix environment
[04:36] Deploying / interactiving with an instance of the contract
[05:50] Interacting with given contract
[06:57] Analysis of contract source
[07:43] Description of the vulnerability
[08:09] Interacting with the contract in Python / web3
[11:25] Reading raw data, including flag
[12:32] Summary
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