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problem.\r\nTill now, the decision of whether to create a db checkpoint was the primary only. If the primary decided that it's time to create the db checkpoint, it sends a bft command whose execution is, creating a DB checkpoint.\r\n(Note that this approach, regardless of the above bugs, is not safe in terms of DOS attacks, a malicious primary can order the replicas to continuously create db checkpoints).\r\nHere we propose a different solution: the decision to create a db checkpoint is based on a deterministic local event (such as how much time has passed since the last created db checkpoint).\r\nThis way, once decided a db checkpoint creation callback is registered to the stable sequence number event. 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