# Previous Notes <span style="color: red;">(this section is a work in progress)</span> Perpetrated Calculus People care about if they can use it as a daily financial instrument without an excessive learning curve or altering their existing routines. Vertisan is the tip of a revolutionary technology stack that was purposely designed to serve as a global financial architecture. Core tenets of a global financial system - conceptually simple (use and value) - functionally easy to use - cryptographically secure - Immutability of data - survivability of data - global scale - resource efficiency Drill down through the layers: **Next whitepaper section:** [[05. The Vertisan Cryptocurrency]]