The Netherlands mostly uses a system called iDEAL; I don’t know the details but it reminds me of Kerberos or Oauth2. Both parties establish trust with the inter

The Netherlands mostly uses a system called iDEAL; I don’t know the details but it reminds me of Kerberos or Oauth2. Both parties establish trust with the intermediate server that guarantees confidential handover of transaction secrets without requiring more access than necessary. There is no defensible need for anything else