What are Web3 Cryptos?

Could you elaborate on the concept of Web3 Cryptos? I'm curious to understand how they differ from traditional cryptocurrencies. Do they offer new functionalities or serve specific purposes within the decentralized web? Are there any notable examples of Web3 Cryptos that are gaining traction in the industry? How do they enable the next generation of the internet, and what role do they play in shaping the future of finance and technology? Additionally, what are the potential risks and challenges associated with investing in Web3 Cryptos?