Just wait for more banks to come 
As part of its trading agreement, the Bank of America, US Bank, TD Bank of Canada, Chase Manhattan Bank, are also supported by ripple of payment. China's Ningbo Bank also intends to cooperate with the ripple, but the reason has not been determined policy.
https://xrptalk.org/topic/4725-chinas-ningbo-bank-to-use-ripple/
As part of its trading agreement, the Bank of America, US Bank, TD Bank of Canada, Chase Manhattan Bank, are also supported by ripple of payment. China's Ningbo Bank also intends to cooperate with the ripple, but the reason has not been determined policy.
https://xrptalk.org/topic/4725-chinas-ningbo-bank-to-use-ripple/