Ethereum

Ethereum related post

[geth] Developer mode

Blockchain Ethereum

If you have already played with geth, you probably have already noticed the --dev option. This option is very handy when you want to quickly start a node to test something. However, you might have found that the developer account which is automatically set is a random account. This randomness can be annoying when trying to automate some testing tasks. The good news is that there is a way to set this developer account. That's what will be explained in this small blog post.

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Analyse of a crypto scam

Blockchain Ethereum

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 servers are also unfortunately full of scammer... Let's have a look at one of them and analyze the scam it proposes.

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Solidity: ABI encoding explained

Blockchain 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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gweb3: a go module to interact with ethereum blockchain

Blockchain Ethereum

Have 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 to facilitate the interaction with an Ethereum blockchain from a go program.

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Ethereum under the hood

Blockchain Ethereum

If you have already looked at blockchain technology, you might have noticed that two different names are often opposed:

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Deploy smart contract to a local blockchain

Blockchain 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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