YOF is a permanent deflationary encrypted asset. As the real world continues to carry out quantitative easing strategies, inflation has intensified, which has brought severe problems to the economic structure of the whole society, international trade and people's livelihood. YOF is not only used for daily transactions, it can be used as the main tool to deal with the inflation of traditional and encrypted assets. Through the mature Ethereum smart contract and permanent deflation model, investors can experience long-term value from it, thus realizing a wider range of transactions and store value to promote the long-term development of the industry.