Hats Protocol Docs
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  • ๐Ÿ‘‹Welcome to Hats Protocol
  • ๐ŸงขGetting Started with Hats
  • โญQuick Start
  • Using The Hats App
    • ๐Ÿค Essentials For Hat Wearers
    • ๐ŸŽฉCreating My First Hat
    • ๐Ÿง™Admins: Creating, Issuing, and Revising Hats
    • ๐Ÿ‘ฅWhat Hats Do I Need?
    • ๐ŸŒณDrafting, Exporting, and Deploying Tree Changes
    • ๐Ÿ—๏ธSetting a Hat's Basic Properties
    • ๐ŸฅณAdding Wearers
    • ๐Ÿ”Connecting Hats w/ Permissions & Authorities
      • Types of Hat-Powered Authorities
      • Connecting Hats to Token Gates
        • Hats Protocol Contract Addresses
        • Finding a Hat's Token ID
      • Documenting Hat Powers & Responsibilities
    • ๐ŸŒŸRevocation & Eligibility: Requirements for Wearers
    • โšกDeactivating & Reactivating Hats
    • โœ…Making Hats Claimable
    • ๐Ÿ”—Linking Trees Together
    • โ›“๏ธHats Protocol Supported Chains
    • โ“Glossary & FAQ
  • Hats Integrations
    • ๐Ÿ”Permissions & Authorities
      • Coordinape
      • Council Voting Vault
      • Charmverse
      • Discord
        • Collab.Land --> Discord
        • Guild.xyz --> Discord
      • Farcaster Casting Rights
      • Fileverse
      • Google Workspace
      • Hats Account
      • Role-Based Compensation
      • Safe Multisig Signing Authority
      • Telegram
        • Collab.Land --> Telegram
        • Guild.xyz --> Telegram
      • Snapshot: Voting, Weight & Proposal Creation
      • Wonderverse
    • ๐ŸŒŸEligibility & Accountability Criteria
      • Agreement Eligibility
      • Allow-List Eligibility
      • CoLinks Eligibility
      • ERC20 Eligibility
      • ERC721 Eligibility
      • ERC1155 Eligibility
      • Hat-Wearing Eligibility
      • Hats Election Eligibility
      • JokeRace Eligibility
      • Pass-Through (Hat-Based) Eligibility
      • Staking Eligibility
      • Subscription or Membership Fee (Unlock Protocol)
      • Gitcoin Passport Eligibility
    • โšกActivation & Deactivation Criteria
      • Seasonal/ Time-Expiry Toggle
      • Pass-Through (Hat-Based) Toggle
    • ๐Ÿ‘ทHatter Modules
      • Multi Claims Hatter
      • DAOhaus Moloch v3 Membership & Share Allocation
  • For Developers
    • ๐Ÿ‘ทHats Protocol, for Developers
      • Hat Properties
      • Wearing a Hat
      • Hat Admins & Hatter Contracts
      • Hats Trees
      • Hat IDs
      • Linking Hats Trees
      • Eligibility Modules
      • Toggle Modules
      • Hat Mutability and Editing
      • Creating Hats
      • Minting Hats
      • Transfering Hats
      • Renouncing Hats
      • Batch Actions
      • Hat Image URIs
      • ERC1155 Compatibility
      • โ›“๏ธSupported Chains
    • ๐Ÿค–v1 Protocol Spec
      • Hats.sol
      • HatsEvents.sol
      • HatsErrors.sol
      • HatsIdUtilities.sol
      • Interfaces
        • IHats.sol
        • IHatsIdUtilities.sol
        • IHatsEligibility.sol
        • IHatsToggle.sol
    • ๐Ÿ–ฅ๏ธv1 SDK
      • Core
        • Getting Started
        • Onchain Reads
        • Onchain Writes
        • Multicall
        • Claiming Hats
        • Utilities
      • Subgraph
        • Getting Started
        • Fetching Hats
        • Fetching Wearers
        • Fetching Trees
        • Misc
        • Types
      • Hat Details
        • Getting Started
        • Usage
    • ๐Ÿ”ญv1 Subgraphs
    • ๐ŸงฉHats Modules
      • ๐Ÿ”ŒModules SDK
        • Getting Started
        • Get Available Modules
        • Create New Instance/s
        • Composing Modules
        • Interact With Instances
        • Utilities
        • Types
      • โš’๏ธBuilding Hats Modules
        • Inside a Hats Module
          • Immutable Arguments
          • Module Setup
          • Versioning
        • Creating New Modules
        • How Module Instances Are Deployed
        • Modules Registry
        • About Module Chains
    • ๐Ÿ”Hats Signer Gate v2
    • ๐Ÿ‘’Hats Signer Gate SDK
      • Getting Started
      • Creating New Instances
      • Hats Signer Gate
      • Multi Hats Signer Gate
      • HSG & MHSG Handlers
    • ๐Ÿ’ผHats Account SDK
      • 1 of N Hats Account
        • Getting Started
        • Creating New Instances
        • Executing From An Instance
        • Constants
        • Types
    • ๐ŸŒHats Security Audits
  • Legal
    • Terms
      • Terms of Service
      • Acceptable Use
      • Privacy Policy
      • Cookie Policy
      • Attribution
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  • Top Hats
  • Hat Trees and Hat Ids
  1. For Developers
  2. Hats Protocol, for Developers

Hats Trees

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Last updated 1 year ago

The fact that all hat's have hats as admins means that every hat exist within a "tree" of hats. This tree structure forms the basis for an organization's hats

Within a given branch of a hat tree, hats closer to the root of the tree have admin authorities for hats further down the branch. This is consistent with the direction of delegation of authority for DAOs, and combats the tendency for accountability to dilute as delegated authorities reach the edges of a network.

Top Hats

Top Hats are the one exception to the rule that a hat's admin must be another hat. A Top Hat is a hat that serves as its own admin.

The root of a Hat tree is always a Top Hat. Typically, a DAO will wear the Top Hat that serves as admin for the tree of Hats related to the DAO's operations.

Hat Trees and Hat Ids

Each hat tree has a max depth of 15 and a branching factor of 2^16. This means that each hat can have up to 2^16 = 65,536 children, and this pattern can repeat 14 times.

Every hat's id includes the id of its tree and its location within the tree. See the following page for more detail on .

๐Ÿ‘ท
hat ids