The currencies dialog is used to add, modify and manage the currencies available for the wallets.

 
   General
 General| Update on-line | Trigger an update exchanges rate on-line. This is disabled when you only have a single currency.  Please see the additional notes below | 
|---|
 Currencies list
 Currencies listdisplay currency ISO code, name, symbol, exchange rate and last modified date
 Buttons
 Buttons| Add | open a dialog to add a new currency + see the notes below. | 
|---|---|
| Edit | open a dialog to edit the selected currency | 
| Delete | delete the selected currency | 
| Set as base | set the selected currency to be the base currency | 
    - you can pick up new currencies from the official ISO 4217 list
    - you can define a custom currency for discontinued or cryptocurrency
When you define a custom currency, please take care of the following:
    - the Name must be at least 3 chars long
    - the ISO code is optional, but you cannot change it easily later on
    - the ISO code must be 3 chars long and cannot be the same an existing ISO 4217 one
    
 This is an extra feature relying on a third party web service.
 
    This is an extra feature relying on a third party web service.
    Your currencies may not be supported:
    - as base currency: and nothing will update
    - as a target currency: this currency will not be updated
    
Since 5.7.2: there is a log widget that track call and return of the API for debug purpose.
https://api.frankfurter.app/latest?base=EUR&symbols=USD,JPY,GBP
    Compatible API means they use the same querystrign argument: base= and symbols=
http://data.fixer.io/api/latest?access_key=YOUR_ACCESS_KEY&base=EUR&symbols=USD,JPY,GBP
    You can change the URL of the API and add a free a paid key into the preferences
  Valid URL are so far:
  
  - https://api.frankfurter.app/latest
  
  - http://data.fixer.io/api/latest
  
    - until 5.7: https://frankfurter.app
    - until 5.2: https://api.fixer.io, see ⧉ #1785210
    - until 5.1.7: yahoo, see ⧉ #1730527