European Central Bank (ECB) executive board member Piero Cipollone has called for changes to tech firm Apple’s payments system.

Cipollone said Apple must change its approach in a letter sent to Thierry Breton, the European Commissioner for the internal market, on April 19. He warned that its current approach could be incompatible with making offline payments in any future European central bank digital currency.

“Apple’s proposed commitments would not give third parties full access to the secure