There is no truth in this world, only knowledge. Human cognition of currency is changing rapidly, combined with changes in the global situation, making the situation more complicated. Since 2018, the Sino-US friction, the new crown pneumonia epidemic, and the conflict between Russia and Ukraine have successively impacted the global structure, making the future governance structure confusing. In global competition, currency competition is an important part. The result of currency competition is likely to determine the future economic structure. The emergence of Bitcoin has accelerated the evolution of currency and revealed what the future currency will look like. The currency of the future must contain certain elements of Bitcoin, which has transformative significance and is a boundary marker of currency