I start by discussing the facts and implications about distributed ledgers, stablecoins, real-world-asset tokenization, foundations of tokenomics, before delving into a theoretical framework for investigating the impact of digital platforms and crypto-tokens on the development and wealth inequality of a modern economy. Specifically, we build a continuous- time model of user heterogeneity, platform growth, and wealth dynamics to analyze how digital and on-chain economies co-evolve. Tokenization enables real-time capitalization of network effects, accelerating adoption but producing non-ergodic wealth distributions that amplify inequality among participants. We further incorporate fiat-linked digital payment media – i ncluding stablecoins and central bank digital currencies to explore how their introduction af- fects platform liquidity and wealth dyanmics. These fiat-based instruments act as stabilizing counterparts to endogenous platform tokens, mitigating volatil- ity and speculative feedback loops. The analysis highlights how heterogeneous adoption, endogenous liquidity creation, and cross-platform substitution jointly shape inequality, platform life cycle, and financial stability. Overall, the paper provides not only a structured synthesis of tokenomics studies but also a unified theoretical framework for understanding wealth dynamics and inequality un- der the coexistence of private and sovereign digital monies/payment systems.