Account vault feature

I wonder if it's possible for Payoneer to add a vault feature to all accounts. The feature will provide added security for purposes of encouraging users to keep larger amounts in their accounts.
Funds in the vault will be unavailable for withdrawal unless transferred to the normal account. Authentication methods for withdrawal can include SMS and/or email notification (at a cost).
Funds in the vault will be unavailable for withdrawal unless transferred to the normal account. Authentication methods for withdrawal can include SMS and/or email notification (at a cost).
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