# System Overview

- [Profile.io Architecture](/system-overview/profile.io-architecture.md)
- [User Profile ID Data](/system-overview/profile.io-architecture/user-profile-id-data.md)
- [Profile Structure](/system-overview/profile.io-architecture/profile-structure.md)
- [Themes](/system-overview/profile.io-architecture/themes.md)
- [Issuer (Organisation) ID](/system-overview/profile.io-architecture/issuer-organisation-id.md)
- [Badges (VCs SB NFTs)](/system-overview/profile.io-architecture/badges-vcs-sb-nfts.md)
- [Data Registries](/system-overview/profile.io-architecture/data-registries.md)
- [Schema Registry](/system-overview/profile.io-architecture/data-registries/schema-registry.md)
- [Trusted Registry](/system-overview/profile.io-architecture/data-registries/trusted-registry.md)
- [DID Registry](/system-overview/profile.io-architecture/data-registries/did-registry.md)
- [Profile Verification](/system-overview/profile-verification.md)
- [P2P Payments](/system-overview/p2p-payments.md)
- [App/Dapp Marketplace](/system-overview/app-dapp-marketplace.md): Consisting of open marketplace and pre-configured out-the-box solutions.
- [Account Abstraction](/system-overview/account-abstraction.md)
- [Social / Content Growth Vectors](/system-overview/social-content-growth-vectors.md)
- [Decentralisation, OpenSource Overview and Compatability](/system-overview/decentralisation-opensource-overview-and-compatability.md): Overview of approach rather than execution. Links to Values
- [Proof of Personhood (POP) Algorithm](/system-overview/proof-of-personhood-pop-algorithm.md)