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My GK Library

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Username

Use 4–24 Latin letters, numbers or _. You cannot change your username after signing up.

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Nickname

Use 2–20 characters: Latin, Korean, Chinese or Japanese letters, numbers, single spaces, _ or -. Email addresses are not allowed.

Password

Use 10–128 characters with a Latin letter and a number, or a passphrase of 20–128 characters.

Choose a long password that is easy to remember.

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