Odaily Planet Daily News According to the official Twitter, the crypto lending company BlockFi announced that "starting today, BlockFi customers will receive important information about the proof of claim process from BlockFi's claims agent Kroll via mail and/or email. The deadline for submitting proof of claim is 17:00 Eastern Standard Time on March 31, 2023 (06:00 Beijing time on April 1)". At present, the debtor has established a portal for filing claims, and the creditor can submit the proof of claim through the portal, or submit the proof of claim by surface mail or express delivery, but email delivery is not accepted.