If you take profits out of a trading app and plan to hold crypto longer term, self-custody becomes a separate decision. Here is the practical difference between Ledger Flex and Ledger Nano Gen5 without pretending either device can protect you from bad trades or scams.
Ledger lists a 2.8-inch high-resolution 16-grayscale E Ink touchscreen with Gorilla Glass, plus USB-C, Bluetooth and NFC. It is the better fit if you care more about display quality and a premium signing experience.
Higher-resolution grayscale E Ink screen.
USB-C, Bluetooth and NFC.
You remain responsible for PIN, recovery material and transaction verification.
Ledger positions Nano Gen5 as its more accessible touchscreen signer. It uses a 2.8-inch monochrome E Ink touchscreen with scratch-resistant glass and also supports USB-C, Bluetooth and NFC.
A simpler route into Ledger's touchscreen lineup.
USB-C, Bluetooth and NFC.
A signer protects keys; it does not improve entries, exits or token quality.
If assets are meant to sit for longer, separating storage from the trading interface can reduce exposure to a single app or hot-wallet environment.
Self-custody shifts responsibility to you. Losing or exposing recovery material can still lead to permanent loss.
Hardware does not make malicious approvals safe. Read what you sign and keep recovery material offline and private.
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