Can I do same-currency transfer without currency conversion? August 26, 2021 06:51 Updated Yes, you may store up to 9 currencies you can within your Opal wallet. For example, we allow users to top up USD in their Opal wallet, and send USD to any of their desired currency corridors. Related articles What currencies can I transact with international transfers? Costs & Fees What is the processing time for international transfers? What is a Digital Business Account? What currencies can I hold and transact with Opal?