Crypto exchange Backpack has opened the claims process for former FTX EU users.Users need to create an account on the exchange and submit Know Your Customer information.A withdrawal fee of €5 ($5.39) will be charged for claims under €2,000 ($2,158) and 0.25% for larger amounts.Backpack's acquisition of FTX EU in January 2025 marked the end of a battle to buy the bankrupt exchange's European arm.