Existence and time. Einstein's "scientific time" is a theory of relativity established under the condition of uniform mass and constant speed of light. Kant's' philosophical time 'is also of uniform quality, so Kantian philosophy cannot justify itself. Bergson proposed another type of time with uneven quality in addition to the time with uniform quality mentioned above. The fleeting time is uniform, and time can be viewed as space, while the time happening at this moment is of uneven quality. Easy to understand: everything that happens in the fleeting time is certain, so fleeting time can be viewed as space, while the time currently happening is uncertain and has infinite possibilities, so the quality of the present time is inconsistent with that of fleeting time. Heidegger's theory of existence: Only when based on the premise of discussing the meaning of existence, does discussing existence have meaning. The existence we study is the existence behind the existence of the existent. The existence of theory. The dual flower problem of Satoshi Nakamoto is both an existence problem and a self referential existence problem, and solving the self referential existence problem can only rely on time. The irreversible time contained in Prigogin's dissipative structure and Bergson's time with mass are of the same kind, rather than reversible time that can be converted into space. Turing's ordinal logic system is no longer a formal system, but a dissipative structure that includes Time to Time. Integrity and consistency cannot coexist in the same logical system. Turing's ordinal logic system is designed to evade the completeness of G ö del's formal system. Using the technique of super poor iteration to introduce new axioms time to time to update oneself. Every time the axioms are updated, the existence of this self changes. The pursuit of completeness resulted in the system itself being different before and after the update. And this type of Time to Time super poor iterative logic may be the only solution to the existence problem of self referential classes. Namely, the proof of self referential existence can only be given to time, and it is given to the irreversible time described by Bergson and Prigogin. Our growth in life is like this, every new cognition is based on our self-directed cognitive boundaries, iterated through the experience of time, and then updated ourselves.