There is any place where says the details of the instruments source of the interest for each currency?
For example:
- for currency x its the QMMF ABC (with link for the details in the asset manager site, such as, its domicile)
- for currency y is a bank term deposit in country DEF (a mention to the bank would be very useful addition to transparency and peace of mind)
- for currency z is …
→ The reasons for this, are mainly taxation declaration concerns but also we as investors (and all financial stakeholders) should do their due diligence before investing in anything. 