You should save the KeyStore file to an offline hard drive, or a flash drive that you do not use online. Open the exchange or wallet you are sending the cryptocurrency from and paste the deposit address. What other kinds of wallets can I use? Give yourself peace of mind and take full control of your crypto. Pick your own Trezor. We recommend keeping at least two backups of your seed in multiple locations. Although they offer the lowest level of security, online bitcoin wallets have the advantage of being accessible from any internet connected device.