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Security
Steam Guard
Also known as: Mobile Authenticator, Steam 2FA
The two-step authentication you need for safe trading.
Definition
The Steam Guard Mobile Authenticator is the feature in the Steam app that generates codes and asks you to confirm each trade. Without it active for 15 days, your account can land in a trade hold. Turning it on is a basic requirement for selling skins safely.
Want to go deeper? Protect your account from API scams
Related terms

Next step
Ready to sell your skins?
Connect your Steam account, check your quote, and get paid 7 days after you accept the trade.
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