Foundations of Blockchain

Transaction security model

The internet is a system of connected devices that communicate with each other using various protocols. Due to the open nature of communication on the internet, there are both individuals and groups of people trying to harm users' devices or applications by hijacking communications. These are often referred to as bad actors, and can be found in any part of the internet. It's often difficult to keep these bad actors out of any system due to the fragile nature of communication on the internet, and every application implements a security model for protection against bad actors.

Most applications ensure secure communication by encrypting the traffic between the transmitting and the receiving end. In fact, more than ...