The world of technology is evolving every year what if in future a new tech is been born that can kill crypto or works better than crypto won't this kill cryptocurrencies?
Before you say about technology, you should first study the definition of technology works for what and how.
Sometimes you need to read about technology.
https://www.thesaurus.com/browse/technologyCrypto is, digital asset using technology, technology can't kill, thinking it's intellectually not literate.