You can buy Stable USD with a credit or debit card on a crypto exchange like Coinbase or Coinmama. You’ll need to create a Stable USD wallet (an account) and get it approved before being able to buy.

You can find the list of coins you can buy through Ledger Live here. You can’t buy Stable USD directly through Ledger Live yet but you can manage & control it securely through the app.

Because Stable USD is on the internet, they are even easier to steal and much harder to return and trace. Stable USD itself is secure, but Stable USD are only as secure as the wallet storing them.
Like in any other investment, securing your Stable USD must be a priority. Your Stable USD are as secure as the wallet storing them. Ledger hardware wallets combined with Ledger live have been designed to help you secure your Stable USD and other cryptocurrencies.
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Yes, You can secure and manage your Stable USD with Ledger Hardware Wallets and Ledger Live application.
Learn more about Stable USD wallets