You should report any unauthorized charges immediately. To dispute a transaction, you must call Deserve at +1 (833) 426-0304 during their business hours: Monday-Friday 9am-9pm ET & Saturday 10am-3pm ET. Please refer to your cardholder agreement for additional information, and note that all disputes must be filed within 90 days of the transaction in question.
We plan to release in-app capability for the transaction dispute process in the near future.
Your BlockFi Rewards Visa® Signature Card comes with $0 Fraud Liability if your card is ever lost or stolen and used without your authorization.