Yes, Claimable allows you to record financial values in different currencies in your account via the Per-Claim Currency functionality that lets you specify a preferred currency on a per-claim basis.
To enable this functionality, just turn on the Per-Claim Currency option via the Account Settings tab.
Please bear in mind that the Per-Claim Currency functionality is available for Established price plan accounts only. If you would like to update your account, just contact us via the support chat bubble in the bottom right corner and we will be happy to help.