In July 2021, scientists from Royal Holloway, University of London and ETH Zurich published an Investigation on the MTProto protocol, concluding that the protocol could offer a "confidential and integrity-protected channel" for interaction. In addition they discovered that attackers had the theoretical capability to reorder messages coming within the customer https://www.adsoftheworld.com/users/0bb177e7-189a-47b6-8be8-9421225a447d