If you ever connected to a discord server related to ethereum (geth, ethereum.org) you probably noticed that despite very useful information given about the technology, those server are also unfortunately full of scammer... Let's have a look at one of them and analyse the scam it propose.
ReadBlockchain Ethereum Smart Contract
If you have already been curious about how Ethereum smart contract works under the hood or even participated to a CTF where you had to exploit some weakness in smart contract, you probably stumble upon the solidity abi encoding page. Even if this is the reference paper, it can look a bit difficult to understand and it's not easily readable even though it's not really difficult. Let's review how the encoding is working with the help of few example.
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For this course on the blockchain we will need to use metamask and get some Test Ether.
ReadHave you ever wonder why most of the web3 tools are written in go (geth, kubo,....) but it's actually difficult to find a go module that would let you interact with the web3 ecosystem like web3.js or web3.py does ? This blog post will introduce you to gweb3, a go module that aims at facilitate the interaction with an Ethereum blockchain from a go program.
ReadDid you already want to analyse traffic of a specific application, but this traffic is encrypted using TLS? You start wireshark and then stumble upon this very annoying display where you only see encrypted TLS traffic.
ReadIf you have already tried to develop a bot in golang for mattermost, you have probably already found the documentation page for the API.
ReadIf you have already looked at blockchain technology, you might have noticed that two different names are often opposed:
ReadBlockchain Smart Contract Ethereum
When starting to develop a smart contract it can sometimes be difficult and confusing how to deploy them and test them. You have the well known online tools like remix but sometimes you prefer to do stuff locally.
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