Can balance in my Wallet expire?

DigiBazar Wallet has the folllowing currencies:

DigiBazar Cash: Has an expiry of 1 year from date of credit

Gift Card Balance transferred to DigiBazar Wallet: Expiry date of DigiBazar wallet balance will remain same as Gift Card expiry date 

DigiBazar Rewards: Have expiry of 2 to 12 months (depending on source of reward points) from the date it is credited