# Core Concepts - [Identities & Keys](https://docs.learncard.com/core-concepts/identities-and-keys.md): DIDs, Wallets, Key Management, Profile Types - [Decentralized Identifiers (DIDs)](https://docs.learncard.com/core-concepts/identities-and-keys/decentralized-identifiers-dids.md) - [Seed Phrases](https://docs.learncard.com/core-concepts/identities-and-keys/seed-phrases.md): Understanding Seed Phrases (for Account & Key Recovery) - [Key Management (SSS)](https://docs.learncard.com/core-concepts/identities-and-keys/key-management-sss.md): How LearnCard protects private keys using Shamir Secret Sharing - [Account Recovery](https://docs.learncard.com/core-concepts/identities-and-keys/account-recovery.md): How users recover access to their keys when they lose a device - [Cross-Device Login (QR)](https://docs.learncard.com/core-concepts/identities-and-keys/cross-device-login.md): How users securely transfer key access to a new device via QR code - [Network Profiles](https://docs.learncard.com/core-concepts/identities-and-keys/network-profiles.md) - [Signing Authorities](https://docs.learncard.com/core-concepts/identities-and-keys/signing-authorities.md) - [Trust Registries](https://docs.learncard.com/core-concepts/identities-and-keys/trust-registries.md): Understanding Trust Registries: Who to Trust in the Digital Credential World - [Credentials & Data](https://docs.learncard.com/core-concepts/credentials-and-data.md): Verifiable Credential structure, Schemas, Data Models, Boosts - [Verifiable Credentials (VCs)](https://docs.learncard.com/core-concepts/credentials-and-data/verifiable-credentials-vcs.md) - [Credential Lifecycle](https://docs.learncard.com/core-concepts/credentials-and-data/credential-lifecycle.md) - [Credential Status & Bitstring Status Lists](https://docs.learncard.com/core-concepts/credentials-and-data/credential-status-and-bitstring-status-lists.md) - [Schemas, Types, & Categories](https://docs.learncard.com/core-concepts/credentials-and-data/achievement-types-and-categories.md) - [Building Verifiable Credentials](https://docs.learncard.com/core-concepts/credentials-and-data/building-verifiable-credentials.md) - [Boost Credentials](https://docs.learncard.com/core-concepts/credentials-and-data/boost-credentials.md): Boosts are a core concept in the LearnCard Network that represent templates for credentials, achievements, or badge - [Getting Started with Boosts](https://docs.learncard.com/core-concepts/credentials-and-data/getting-started-with-boosts.md) - [Credential URIs](https://docs.learncard.com/core-concepts/credentials-and-data/uris.md): Store and Retrieve Credentials however you like! - [xAPI Data](https://docs.learncard.com/core-concepts/credentials-and-data/xapi-data.md): Understanding xAPI Data in LearnCard - [General Best Practices & Troubleshooting](https://docs.learncard.com/core-concepts/credentials-and-data/general-best-practices-and-troubleshooting.md) - [Consent & Permissions](https://docs.learncard.com/core-concepts/consent-and-permissions.md): ConsentFlow, Contract structure, Access Levels - [ConsentFlow Overview](https://docs.learncard.com/core-concepts/consent-and-permissions/consentflow-overview.md) - [Consent Contracts](https://docs.learncard.com/core-concepts/consent-and-permissions/consent-contracts.md) - [User Consent & Terms](https://docs.learncard.com/core-concepts/consent-and-permissions/user-consent-and-terms.md) - [Consent Transactions](https://docs.learncard.com/core-concepts/consent-and-permissions/consent-transactions.md) - [Auto-Boosts](https://docs.learncard.com/core-concepts/consent-and-permissions/auto-boosts.md) - [Writing Consented Data](https://docs.learncard.com/core-concepts/consent-and-permissions/writing-consented-data.md) - [Accessing Consented Data](https://docs.learncard.com/core-concepts/consent-and-permissions/accessing-consented-data.md) - [GameFlow Overview](https://docs.learncard.com/core-concepts/consent-and-permissions/gameflow-overview.md): What is GameFlow? - [Network & Interactions](https://docs.learncard.com/core-concepts/network-and-interactions.md): LearnCloud Network principles, API interaction patterns, Sequencing - [Network Vision & Principles](https://docs.learncard.com/core-concepts/network-and-interactions/network-vision-and-principles.md) - [Key Network Procedures](https://docs.learncard.com/core-concepts/network-and-interactions/key-network-procedures.md) - [Core Interaction Workflows](https://docs.learncard.com/core-concepts/network-and-interactions/core-interaction-workflows.md) - [Universal Inbox](https://docs.learncard.com/core-concepts/network-and-interactions/universal-inbox.md) - [Credential Activity Tracking](https://docs.learncard.com/core-concepts/network-and-interactions/credential-activity.md) - [Architecture & Principles](https://docs.learncard.com/core-concepts/architecture-and-principles.md): Overall LearnCard philosophy, Plugin system, Control Planes - [Control Planes](https://docs.learncard.com/core-concepts/architecture-and-principles/control-planes.md) - [Plugin System](https://docs.learncard.com/core-concepts/architecture-and-principles/plugins.md): What is a plugin? - [Auth Coordinator](https://docs.learncard.com/core-concepts/architecture-and-principles/auth-coordinator.md): The unified state machine for authentication and key derivation - [Auth Grants and API Tokens](https://docs.learncard.com/core-concepts/architecture-and-principles/auth-grants-and-api-tokens.md) - [U.S. State API](https://docs.learncard.com/core-concepts/architecture-and-principles/u.s.-state-api.md): A Unified Infrastructure for Learning and Work - [Tenant-Branded Emails](https://docs.learncard.com/core-concepts/tenant-branded-emails.md): How LearnCard resolves the active tenant on every request and renders branded, version-controlled transactional emails end-to-end --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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