Ethereum payments

In this section, we will see how Ethereum works from a user’s point of view. For this purpose, we will present the most common use case of transferring funds—in our use case, from one user (Bashir) to another (Irshad). We will use two Ethereum clients, one for sending funds and the other for receiving. There are several steps involved in this process, as follows:

1. First, either a user requests money by sending the request to the sender, or the sender decides to send money to the receiver. We can use any Ethereum wallet software. The request can be sent by sending the receiver’s Ethereum address to the sender.

   For example, there are two users, Bashir and Irshad. If Irshad requests money from Bashir, then she can send a request to Bashir by using a QR code. Once Bashir receives this request, he will either scan the QR code or manually type in Irshad’s Ethereum address and send the Ether to Irshad’s address. This request...