Originally Posted by f0zzyNUE

one benefit is when you cancel a ticket and credit it to your TK wallet you will have the cancellation amount instantly in the TK wallet and can use it for the next ticket purchase without waiting for the money redeposited to your original form of payment. they also have incentives that you get a 5% cashback on ticket purchases or on ticket refunds to the TK wallet. the bonus-money in the TK wallet can't be transferred to your bank account though.

N.B. LATAM also has a wallet - you cancel a ticket, you get the value in your LATAM wallet - when you want to get the cash value out of the wallet they transfer it to your bank account. new method for manufactured spending