Is a wallet app on your phone a hot wallet or a cold wallet?
It’s worth understanding the difference between cold and hot wallets.
The difference isn’t the form the wallet takes, but whether the private key has ever been exposed to an online environment.
Avoid making large transfers over unfamiliar networks, and keep your devices up to date.
Many people keep their long-term holdings of $BTC in a cold wallet, and the funds they need for everyday use in a hot wallet.

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