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Could you elaborate on the duration of the effects or validity of the term "flux" in the context of cryptocurrency and finance? Specifically, are you referring to the duration of a price fluctuation, the longevity of a particular trend, or perhaps the lifespan of a cryptocurrency project? If it's related to market fluctuations, is there a typical duration that a surge or decline in value tends to persist? Or, if it's about the sustainability of a financial product or service, how do we assess its long-term viability? Clarifying the specific meaning and context of "flux" would help provide a more accurate response.