Blockchain

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 server are also unfortunately full of scammer... Let's have a look at one of them and analyse the scam it propose.

Read
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.

Read
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 at facilitate the interaction with an Ethereum blockchain from a go program.

Read
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:

Read
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.

Read
BeMilCIS2019 : Blockchain for dummies

Blockchain

Today we are proud to present a paper at BeMilCIS conference entitled Blockchain for dummies.

Read
A simple java implementation of Blockchain

Blockchain

Blockchain is currently a very hot research topic. To understand how it works and what it can achieve, here is a simple java implementation.

Read
Blockchain

Blockchain

These last few years everyone everywhere went crazy about cryptocurrencies and more in particular about Bitcoin. The value of the star cryptocurrency did indeed sky-rocket in December 2017 to 19.783$, a 1824% increase in less than a year [2]. However, even though everybody has probably heard about this digital currency, it's likely that very few understand the fascinating technology behind it called blockchain.

Read