The ledger is just amazing and gives you a sense of security knowing that your crypto is protected against fraudsters. The instructions are straight forward even your grand-pa can use it. The Ledger can connect to the PC using the USB cable provided or to your phone via WI-FI. The only thing I didn't like about it is that is uses Ethereum Mainet if you want to deposit money or buy coins, and Ethereum gas price is beyond ridiculous at this stage. So I prefer buying coins using my online Binance wallet and transfer them to my Ledger for safekeeping.
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