If the time Travelers came from the past instead of the future, the password sharing is useless. maybe they have jump [1] from the past after doing a change th

If the time Travelers came from the past instead of the future, the password sharing is useless. maybe they have jump [1] from the past after doing a change that alter your present (their future) trying to fix the future (your present). [1] https://visual.ly/community/Infographics/entertainment/back-future-timelines https://visual.ly/community/Infographics/entertainment/back-...