How can I freeze my card? July 03, 2020 10:20 Updated Follow From the Account tab, choose Freeze card. If you find your card again, just tap this again to unfreeze. Related articles What happens if I lose my card? Why won't my card work on a betting site? How do I activate my card? Can I transfer money from my HyperJar account to an overseas bank account? How will you protect my data? Comments 0 comments Please sign in to leave a comment.