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by praptak 251 days ago
Having a separate phone as a "glorified digital token" is probably within the top 3 things you want to do anyway if you are serious about digital security.

See the recent discussion about pixnapping: https://news.ycombinator.com/item?id=45574613

Also, if your bank uses SMS for verification then the phone should have its own phone number which you keep secret. Otherwise it's one data leak and one sim swap attack (https://en.wikipedia.org/wiki/SIM_swap_scam) from breaking your SMS verification.