Connecting a bank account and credit or debit cards

• How is my purchase data stored and secured?
• How do I change the bank account that reimbursements are deposited into?
• Can I link an Apple Card to a Transaction Account?
• How do I add a credit or debit card as a transaction account?
• My credit card is not listed as an option for linking a Transaction Account
• How do I update the credit card that is linked to my Transaction Account in JOON?
• Can I remove my linked deposit account?
• Can I link my debit card as both a deposit account and a transaction account?
• How many cards can I link to my JOON transaction account?
• Do I have to link a credit card to use JOON?