Suggest me some suitable and budget-friendly travel insurance. And what benefits or coverage will I receive from it?

How is Uniswap different from other trading exchanges like Coinbase and Binance? If I trade using Uniswap, are there any fees involved?

I have recently learned about Bitcoin and its fluctuations in the market. Now I want to understand the basics of cryptocurrency, as I am totally unfamiliar with this field. What is cryptocurrency, and how is this different from traditional currencies?