stockholmswedens central bank said thursday that it has signed an agreement with currency exchange bureau forex to exchange the local currency of ukrainian refugees hryvnia into swedish kronor the riksbank said the agreement means that ukrainian refugees over 18 years of age who are entitled to temporary protection in sweden can from june 15 use forex to exchange up to 10000 ukrainian hryvnia 336 the exchange is made at a rate determined by the ukrainian central bank it added the background to the agreement is that following russias invasion of ukraine many ukrainians have fled to other parts of europe the riksbank said for this reason the national bank of ukraine signed cash hryvnia exchange agreements with few european central banks to help ukrainian refugees to exchange their hryvnia notes into local currency