Paymentwall has released a payment gateway for Blesta. You can download the gateway, and find out more about it and Paymentwall at https://www.paymentwall.com/en/documentation/Blesta/3439
Paymentwall supports many different currencies in many different countries. You can read their announcement from their blog at http://blog.paymentwall.com/en/company/news/paymentwall-added-payment-modules-for-blesta-whmcs-hostbill/