
Why do I need a PKI?
I'm confused about why I need a PKI. What does it do for me? How can it help secure my communications and transactions? I want to understand the benefits and necessity of having a PKI.


Why do you need a token?
I'm trying to understand why a token is necessary. I know it's some kind of authentication, but what exactly does it do? Why can't we just use usernames and passwords like we usually do?


What do you need for cosmos?
I'm wondering what are the essential components or requirements for a Cosmos to exist. I'm looking for a comprehensive list of elements or conditions that are necessary for the formation and sustenance of a cosmos.


Why do people need DeFi?
People need DeFi because it offers a decentralized and transparent alternative to the traditional financial system. With DeFi, users can access financial services without intermediaries, enabling faster transactions, reduced costs, and increased accessibility.


Why do we need MAC protocol?
We operate in a wireless environment where multiple devices communicate simultaneously. To ensure reliable data transmission without collisions and interference, we need a protocol that governs access to the shared medium. That's why we need a MAC protocol.
