received this email from support@grindinggear.com today

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Your Path of Exile account has been locked because someone logged in from a location that you don't typically play from - "Jilin, Jilin, China".

To play again, you'll need to type or paste the following access code into the game client after logging in:

xxx-xxx-xxxx

If you didn't just log in from a new location, then someone else has your account password! You should change it immediately which can be done on our website.

If you have any problems with this process, please contact customer support by replying to this email.

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someone tries to hack my acc?

a lot. so there's no telling which one is the culprit

hoping GGG could make an apps for iOS/Android just like Battle.net Authenticator.