Matrix is a poor choice from a cryptographic perspective. With some serious issues historically (some of which are still unfixed to this day), and an extremely poor response to disclosures.

https://soatok.blog/2026/02/17/cryptographic-issues-in-matrixs-rust-library-vodozemac/

If you’re interacting with a command line terminal frequently then yes, since Ctrl+Shift+C is the shortcut for copy in most terminal emulators as Ctrl+C is used for terminating the current running command.