# Extensibility Standards Fractal can be extended in many ways to provide additional functionality, and to ensure it stays technically relevant in the coming decades. Following are the extensibility standards: ## Fractal Core Network ### VFN-DA22 Standard Fractal Digital Asset specification. Conforming with this standard is required to create or import digital assets. ### VFN-PNFT-22 Standard Fractal Portable NFT standard. ### VFN-BWI22 Standard Blockchain wallet import standard. ### VFN-MAJP22 Standard Fractal Metrics and analytics plugin. ### VFN-TAP22 Standard Fractal Traversal Agent plugin. ### VFN-CM22 Standard Fractal Currency Model, which includes both fiat currencies and cryptocurrencies. JSON specification. ### VFN-CAP22 Fractal Consensus Algorithm plugin. ### VECTON-HAP22 Standard Vecton Hashing Algorithm plugin. ## Nebula Neural Network ### VN-NUID22 NUID specification. ### VN-PEROSONA22 Persona specification. ## Cryptocase ### VFN-CC22 Standard Specification for a Cryptocase. Any 3rd-party cryptocases must conform to this standard in order to function on a Fractal network with Neural Core 2022.3.10 or later. ### VFNC-SAP22 Standard Cryptocase Analytics and Statistics plugin. ### VFNC-PFP22 Standard Cryptocase Proof of Funds provenance plugin. ### VFNC-PP22 Standard Cryptocase Personalization plugin. ### VFNC-AP22 Standard Cryptocase Agents functionality plugin. ### VFNC-RBAC22 Standard Cryptocase Role-Based Access Control plugin ### VFNC-RBCC22 Standard Cryptocase Role-Based Custodial Control plugin. ### VFNC-RPP22 Standard Cryptocase Recovery Protocol plugin ### VFNC-SKP22 Standard Cryptocase Signing Key Storage plugin ### VFNC-SIVP22 Standard Cryptocase Strong Identity Verification plugin ### VFNC-MS22 Standard Cryptocase Metadata Storage specification.