From the stripe TOS:
> All funds resulting from Charges are held in pooled clearing accounts (the “Clearing Accounts”) with our Financial Services Partners. We will make Transfers to and from the Clearing Accounts in the manner described in this Agreement; however, you have no rights to the Clearing Accounts or to any funds held in the Clearing Accounts, you are not entitled to draw funds from the Clearing Accounts, and you will not receive interest from funds maintained in the Clearing Accounts.
> In certain circumstances, we may require you to place funds in reserve or to impose conditions on the release of funds (each a “Reserve”). We may impose a Reserve on you for any reason if we determine that the risk of loss to Stripe, Customers, or others associated with your Stripe Account is higher than normal. For example, we may hold a Reserve if: (i) your or your Customers’ activities increase the risk of loss to us or to your Customers, (ii) you have violated or are likely to violate this Agreement, and (iii) your Stripe Account has an elevated or abnormally high number of Disputes. If we impose a Reserve, we will establish the terms of the Reserve and provide you Notice of the amount, timing, and conditions upon which the funds in the Reserve will be released to you. In many cases, the Reserve amount will be the entire amount of Charges processed using the Payment Services. We may change or condition the terms of the Reserve based on our continuous assessment and understanding of the risks associated with your Stripe Account, if required to do so by Financial Services Providers, or for any other reason. We may fund the Reserve with funds processed through your use of Payment Services, by debiting the Payout Account or another bank account associated with your Stripe Account, or by requesting funds directly from you.
> To the extent possible, we prefer to identify the necessity for a Reserve in advance of establishing one. If you are concerned that we will impose a Reserve on you due to the nature of your business activities, please contact us before using the Services.