1. <span>The Joint Photographic Experts Group developed the jpeg graphic format.
2. </span><span>It is important to include the alt attribute of the tag because some people use text-only Web browsers. </span>
Answer:
Abstraction is the process of removing or taking away certain characteristics to reduce or hide several very important characteristics.
In OOP (Object Oriented Programming), to increase efficiency and reduce complexity, a programmer hides certain vital data about an object. This is abstraction in programming.
For further clarification, a programmer ensures that the name given to an entity makes sense and most importantly, that it carries relevant aspects, and non essential parts are not included.
Answer:
maybe blockchain can help them in term of security