I've been coding for over 20 years now! (WOAH, do I feel old)
I've touched just about every resource imaginable under the Sun (too bad they were bought out by Oracle)
This is one of those times why I freaggin LOVE using Yubikeys. They generate the SSH key internally, so they are secured. It has a full GUI experience that is quite simple to setup, and one-click copy to clipboard for the public key. Plus it's super convenient to switch between multiple computers, even public terminals, without worry of the private key being compromised, because it can never leave the Yubikey itself.
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This is one of those times why I freaggin LOVE using Yubikeys. They generate the SSH key internally, so they are secured. It has a full GUI experience that is quite simple to setup, and one-click copy to clipboard for the public key. Plus it's super convenient to switch between multiple computers, even public terminals, without worry of the private key being compromised, because it can never leave the Yubikey itself.