Index · U

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• u16 — ElectionProviderMultiPhase pallet (root) · Multisig pallet (root) · Proxy pallet (root) · Recovery pallet (root) · System pallet (root) · Utility pallet (root)
• u32 — Assets pallet (root) · AssetsExt pallet (root) · Babe pallet (root) · Balances pallet (root) · Building with Native API · Council pallet (root) · Crowdsale pallet (root) · Democracy pallet (root)
• u64 — Babe pallet (root) · Crowdsale pallet (root) · Doughnut pallet (root) · Echo pallet (root) · ElectionProviderMultiPhase pallet (root) · Erc20Peg pallet (root) · EthBridge pallet (root) · EVM pallet (root)
• U128 — Assets pallet (root) · AssetsExt pallet (root) · Balances pallet (root) · Crowdsale pallet (root) · Democracy pallet (root) · Dex pallet (root) · ElectionProviderMultiPhase pallet (root) · Elections pallet (root)
• U256 — Dex · Dex pallet (root) · Ethereum · Ethereum pallet (root) · Evm · EVM pallet (root) · FeeControl · FeeControl pallet (root)
• Uint8Array — @futureverse/sylo-protocol-sdk · @therootnetwork/doughnut-nodejs · @therootnetwork/doughnut-web · @therootnetwork/pact-nodejs · @therootnetwork/pact-web · Building with Native API
• Unable — Assets · Assets pallet (root) · Doughnut pallet (root)
• UnableToPayBond — Elections pallet (root)
• UnableToVote — Elections pallet (root)
• Unannounced — Proxy · Proxy pallet (root)
• UnappliedSlashes — Staking · Staking pallet (root)
• Unapproved — Assets · Assets pallet (root)
• Unauthorized — PartnerAttribution pallet (root) · RootRewards Quest API · Testing Instructions
• UnauthorizedSender — Doughnut pallet (root)
• Unavailable — EthBridge pallet (root) · System pallet (root) · Utility pallet (root) · XRPLBridge pallet (root)
• UnavailableConsumer — Assets pallet (root)
• unbond — Staking
• Unbonded — Staking · Staking pallet (root)
• Unchecked — ElectionProviderMultiPhase · ElectionProviderMultiPhase pallet (root)
• UncleAlreadyIncluded — Authorship
• uncleGenerations — Authorship
• Uncles — Authorship
• UnclesAlreadySet — Authorship
• Undefined — Ethereum · Ethereum pallet (root) · Evm · EVM pallet (root)
• Undelegated — Democracy pallet (root)
• UNDER_CONSTRUCTION_SEGMENT_LENGTH — Babe · Babe pallet (root)
• under.fluf.world — The Root Network
• UnderConstruction — Babe · Babe pallet (root)
• Unexpected — @futureverse/sylo-protocol-sdk
• UnexpectedContractAddress — EthBridge pallet (root)
• UnexpectedData — EthBridge pallet (root)
• UnexpectedEOF — @futureverse/sylo-protocol-sdk
• UnexpectedSource — EthBridge pallet (root)
• UnexpectedTimepoint — Multisig · Multisig pallet (root)
• UnexpectedType — @futureverse/sylo-protocol-sdk
• Unified RPC — Changelog
• uninstallFilter — JSON-RPC
• Uninstalls — JSON-RPC
• Uniswap — Ecosystem map · How to buy ROOT tokens · Supported Exchanges
• Uniswapv2 — Dex · FAQs
• Unit8Array — Building with Native API
• Unity — @futureverse/react-unity-viewer · @futureverse/swappable-viewer-react
• Unity Application — @futureverse/react-unity-viewer
• Unity Build — @futureverse/react-unity-viewer
• Unity LTS — @futureverse/react-unity-viewer
• Unity Viewer — @futureverse/react-unity-viewer
• Unity Viewer Styles — @futureverse/react-unity-viewer
• Unity WebGL — @futureverse/react-unity-viewer
• UnityViewer — @futureverse/react-unity-viewer
• UnityViewerContextProvider — @futureverse/react-unity-viewer
• UnityViewerControls — @futureverse/react-unity-viewer
• UnityViewerPreloader — @futureverse/react-unity-viewer
• UnityViewerStarter — @futureverse/react-unity-viewer
• UnityViewerWithCustomControls — @futureverse/react-unity-viewer
• UnityViewerWithCustomPreloader — @futureverse/react-unity-viewer
• UnityViewerWithCustomUnityStarter — @futureverse/react-unity-viewer
• Universal — Changelog
• Unknown — Assets · Assets pallet (root) · Ecosystem map
• UnknownType — @futureverse/sylo-protocol-sdk
• Unless — Multisig · Proxy · Running a Node
• UNLICENSED — @therootnetwork/doughnut-nodejs · @therootnetwork/doughnut-web · Oracle Contract
• Unlike — Assets · Introduction · Off-Chain Assets · Staking · SyloActionPermissions · Utility
• unlink — @futureverse/react-unity-viewer
• Unlisted — @futureverse/auth-ui · @gen3labs/futurepass-auth-ui
• Unlocked — Balances pallet (root)
• unlocking — Staking · Staking pallet (root)
• unnotePreimage — Preimage
• Unpack — Run a validator today (2026)
• Unproxyable — Proxy · Proxy pallet (root)
• Unregister — FuturePass (pallet) · Proxy
• unregisterDelegate — FuturePass (pallet)
• unrequest — Democracy pallet (root)
• Unrequested — Preimage pallet (root)
• unrequestPreimage — Preimage
• Unreserve — Balances
• Unreserved — Balances · Balances pallet (root)
• Unreserves — Assets
• Unresponsiveness — Best Practices to Avoid Slashing
• Unsigned — Crowdsale pallet (root) · ElectionProviderMultiPhase · ElectionProviderMultiPhase pallet (root) · LiquidityPools pallet (root) · VortexDistribution pallet (root)
• UnsignedInterval — Crowdsale pallet (root) · LiquidityPools pallet (root) · VortexDistribution pallet (root)
• UnsignedPhase — ElectionProviderMultiPhase · ElectionProviderMultiPhase pallet (root)
• UnsignedPhaseStarted — ElectionProviderMultiPhase
• UnsignedPriority — ImOnline · ImOnline pallet (root)
• Unsorted — Democracy pallet (root)
• Unstake — Staking Protocol
• Unstaking — Staking Protocol · Tokenomics
• Unsupported — Doughnut pallet (root)
• UnsupportedAsset — Erc20Peg · Erc20Peg pallet (root)
• UnsupportedDoughnutVersion — Doughnut pallet (root)
• UnsupportedInnerCall — Doughnut pallet (root)
• until — Democracy pallet (root)
• Unusual — @therootnetwork/doughnut-nodejs
• unvote — Democracy pallet (root)
• Update — @futureverse/react-unity-viewer · Become a Validator · Changelog · Marketplace · Pricing Sylo overview · Staking · SyloActionPermissions · SyloDataVerification
• Update BLOCK — Changelog
• Update Ethy — Changelog
• Update FuturePass — FuturePass (pallet)
• Update MAXIMUM — Changelog
• Update UI — TransactionBuilder pattern
• Update Using Extrinsics — Update Validator Commission
• Update Validator Commission — Sources & attribution · Update Validator Commission
• update-commission.js — Update Validator Commission
• Updated — Best Practices to Avoid Slashing · Changelog · Use MetaMask with the Portal · VoterList · VoterList pallet (root)
• Updated Partner Attribution — Changelog
• UpdatedAmountPerRequest — Integration (Typescript)
• updateFixedPrice — Marketplace
• updateResolver — SyloDataVerification
• Updates — FAQs
• updateTransactPermission — SyloActionPermissions
• updateValidationRecord — SyloDataVerification
• Updating — SyloActionPermissions
• Updating FuturePass — FuturePass (pallet)
• Updating Metadata — @therootnetwork/api
• Updating NPM Package — @futureverse/react-unity-viewer
• Upgrade — Upgrade Instructions
• Upgrade Instructions — Sources & attribution · Upgrade Instructions
• Upgrade Substrate — Changelog
• Upgraded — Balances pallet (root)
• UpgradedToTripleRefCount — System · System pallet (root)
• UpgradedToU32RefCount — System · System pallet (root)
• Uphold — How to buy ROOT tokens
• Upon — Elections pallet (root) · LiquidityPools
• Upper — @futureverse/react-unity-viewer · XrplBridge · XRPLBridge pallet (root)
• Upstream README — @futureverse/artm · @futureverse/asset-register · @futureverse/asset-register-react · @futureverse/auth · @futureverse/auth-core · @futureverse/auth-react · @futureverse/auth-react-native · @futureverse/auth-ui
• uri — Metadata (GraphQL object)
• URL VERBOSITY — Running a Node
• URLs — @futureverse/auth-react · Appendix A · Networks & RPCs · Migration playbook — off Futureverse-hosted infra · Roadmap · TRN suite
• Usage — @futureverse/asset-register-react · @futureverse/auth · @futureverse/auth-react · @futureverse/mint-sdk-react · @futureverse/next-auth · @futureverse/nx-semantic-release-sync · @futureverse/signer · @futureverse/sylo-notifications-sdk
• USDC — Appendix C · Asset IDs · Data Feeds · FAQs · Integration (Typescript) · State of the network · 18 Sep 2026
• USDT — Appendix C · Asset IDs · State of the network · 18 Sep 2026
• Use Asset — Create a Fungible Asset
• Use Asset on EVM — Create a Fungible Asset
• Use Authentication Hook — @futureverse/auth-ui · @gen3labs/futurepass-auth-ui
• Use FuturePass — Create a Fungible Asset
• Use HTTPS — RootRewards Quest API
• Use MetaMask — Sources & attribution · Use MetaMask with the Portal
• useAssetRegisterClientContext — @futureverse/asset-register-react
• useAssetRegistryClientContext — @futureverse/asset-register-react
• useAuthTheme() — @futureverse/auth-ui · @gen3labs/futurepass-auth-ui
• useAuthUi() — @futureverse/auth-ui · @gen3labs/futurepass-auth-ui
• useEntitlements.ts — Roadmap · TRN suite
• Useful — @richie-rich/create-fv-app · EthBridge · EthBridge pallet (root) · NFT · Nft pallet (root) · Sft pallet (root) · TransactionBuilder pattern
• Useful Flags — Running a Node
• useFutureverseSigner.ts — Roadmap · TRN suite
• useQueryCollection — @futureverse/swappable-viewer-react
• useQueryEquipped — @futureverse/swappable-viewer-react
• User — @futureverse/auth-ui · @gen3labs/futurepass-auth-ui · Crowdsale pallet (root) · Identity and Smart Wallet Protocols · LiquidityPools pallet (root) · Oracle Contract · PartnerAttribution pallet (root) · Recovery
• User Flow — Oracle Contract
• User ID — @futureverse/auth-react-native
• UserExited — LiquidityPools · LiquidityPools pallet (root)
• UserInfo — LiquidityPools
• UserInfoUpdated — LiquidityPools · LiquidityPools pallet (root)
• UserJoined — LiquidityPools · LiquidityPools pallet (root)
• UserRolledOver — LiquidityPools · LiquidityPools pallet (root)
• Users — @futureverse/nx-semantic-release-sync · Any-token Gas · Changelog · How to buy ROOT tokens · Introduction · NFI · Oracle Contract · RootRewards overview
• useSubscription.ts — Roadmap · TRN suite
• useTokenGate.ts — Roadmap · TRN suite
• Using Auth Hooks — @futureverse/auth-react-native
• Using Authentication — @futureverse/next-auth
• Using Node — Update Validator Commission
• Using Node.js Script — Update Validator Commission
• Using the Authorized Account — @futureverse/sylo-protocol-sdk
• Using The Root Network — On-Chain Collectibles Protocol
• Using the Root Network Portal — Update Validator Commission
• Usually — @futureverse/sylo-protocol-sdk · Assets pallet (root) · Upgrade Instructions
• Utility — @futureverse/auth-ui · @gen3labs/futurepass-auth-ui · @gen3labs/futurepass-transact · API reference — root · Appendix D · Pallet quick-list · NFT · Nft pallet (root) · Primitives
• utility_flags — NFT · Nft pallet (root) · Sft pallet (root)
• utility::batch — Proxy
• Utility.as_derivative — Utility pallet (root)
• Utility.asderivative — Utility pallet (root)
• Utility.batch — Primitives · Utility pallet (root)
• Utility.batch_all — Utility pallet (root)
• Utility.batchall — Utility pallet (root)
• Utility.BatchCompleted — Utility pallet (root)
• Utility.BatchCompletedWithErrors — Utility pallet (root)
• Utility.batched_calls_limit — Utility pallet (root)
• Utility.batchedcallslimit — Utility pallet (root)
• Utility.BatchInterrupted — Utility pallet (root)
• Utility.dispatch_as — Utility pallet (root)
• Utility.dispatchas — Utility pallet (root)
• Utility.DispatchedAs — Utility pallet (root)
• Utility.force_batch — Utility pallet (root)
• Utility.forcebatch — Utility pallet (root)
• Utility.ItemCompleted — Utility pallet (root)
• Utility.ItemFailed — Utility pallet (root)
• Utility.TooManyCalls — Utility pallet (root)
• Utility.with_weight — Utility pallet (root)
• Utility.withweight — Utility pallet (root)
• utilityFlags — NFT · Nft pallet (root) · Sft · Sft pallet (root)
• UtilityFlagsSet — NFT · Nft pallet (root) · Sft · Sft pallet (root)
• Utilize — Best Practices to Avoid Slashing
• Utilizing — EVM Smart Contract
• UUID — Off-Chain Assets