You are right, every crypto transaction requires the internet. Even cryptocurrencies can grow and rapidly because of the internet. Many crypto projects that we know today rely heavily on the internet. Even today the crowded metaverse relies heavily on the internet for its progress. If the internet dies then it will all be over for crypto.
From what everyone has seen, it is clear that the Internet is a basic need for all cryptocurrency projects and all cryptocurrencies that are already running because their first promotion is using the internet and it cannot be avoided at all.