Ladies and gents, it's always a good time to learn how to make your own cold wallet.

- buy a USB with *cash*

- download Tails OS

- create a wallet with built-in Electrum ( offline )

- write down the seed phrase

- restart the laptop and test the seed phrase

- get the master key into the bluewallet for watch only

- test a small amount of BTC

- done and bye ledger