Standard Validator generates and maintains validator keys for each user in isolation, this comes with multiple benefits:

Your validator keys are never co-mingled with keys belonging to other users.
Validator deposit data can be generated immediately upon API request
There is no risk of other users erroneously performing operations against your validator key pairs

You have your own pool of pre-generated validator keys. This means that regardless of other users activity, you will always have your own pool of validator keys to draw from when you request a validator.

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For high-volume users
If you are a high volume user and require more than 100 pre-generated validator keys, please reach out to a member of our team.