Series 3. Billions @billions_ntwk's roadmap / from proof of personhood to a global trust infrastructure As explored in Series 1 and 2, Billions started with the goal of being a trust layer in the AI era, rather than a typical identity verification service. In this Series 3, we will look at how Billions plans to gradually realize that vision, focusing on the key points from a roadmap perspective. Step 1: Proof of Personhood The starting point of the roadmap is to accurately distinguish real humans. * Mobile-based human verification * Prevention of Sybil attacks * Establishment of a one-person, one-account structure * Elimination of distortions in airdrops/campaigns/DAO voting At this stage, Billions addresses the most fundamental question of Web3: who is eligible to participate? Step 2: Reputation Layer Once personhood is proven, the next step is the trustworthiness of actions. Billions will build a Reputation Layer based on participation history, contributions, and consistency of repeated actions. This will serve as the foundation for distinguishing between humans, not bots, and sustainable contributions rather than short-term farming in Web3. Step 3: Cross-Ecosystem Identity Billions' identity is not tied to a specific service. * Multi-chain usage * Reusability across various dApps * Expansion to DAO, DeFi, Social, Gaming ...