MetaMask Connect button (2021 API Update)

As you may know, Metamask recently stopped supporting web3.js and made some major changes in their window.ethereum API, as such I thought that it ...

OVM Introduction

Today we’re going to do a short introduction about the Optimism Rollup and see how we can easily convert a basic ERC20 token project so that it could be used ....

Oracle Introduction

Today we will introduce the Oracle technology and see how we can call for information from outside the blockchain in our contract ...

Creating your first  ERC20 token ( part 3 )

Today, we're going to create our ICO webpage in order to enable end users to interact with our token and buy it through a simple and nice interface . . .

Creating your first  ERC20 token ( part 2 )

In today's tutorial, we will finish our ERC20 token by implementing the transferFrom, allowance and approve function and then create another Solidity file in order to . . .

Creating your first  ERC20 token ( part 1 )

In this brand new section centered around blockchain and more particularly around the ethereum project we will dive more precisely in this burgeoning ecosystem and learn how to build ...