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Hi @ghmboyan ,

Personally I believe that the Trezor is slightly better than the Nano in terms of security. This is because all the hardware in the Trezor is open source, whereas the Nano has one or two proprietary chips onboard.

The Trezor supports fewer altcoins than the Nano but then again, one has to juggle the wallets in the Nano’s memory if using more than 4 (or so) coins, so this balances out.

So I’d say that these devices are priced right. The Trezor is a bit more trustable but it’s also a bit more expensive. Therefore, if the Nano is twice the price I would definitely choose the Trezor.

Note that a new model of the Trezor is coming, although I believe its pre-orders are sold out. It’s not much different as far as I know, it just has a nicer colour touch-screen.