# J1T.FYI > J1T.FYI is a Solana-based cryptocurrency built on mathematical precision — one indivisible token divisible into one billion fractional units, powering an exponential tokenomics model. ## Pages - [Home](/): Overview of J1T.FYI, the Exponential Tokenomics Model, and the J1 ecosystem (J1.BLACKJACK, J1.NFT, J1.CROSS-CHAIN PORTAL). - [Tokenomics](/tokenomics): The mathematics of scarcity — inverse pricing, exponential supply reduction, and dual-force value acceleration formulas.