Hedera documents
The heavy reading: improvement proposals that shape the network, and official Hedera Council resources.
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- HIP-1535CLPR — A Cross Ledger Protocol for HieroApprovedGitHub ↗
- HIP-1522Account Staking Configuration via the Hedera Account ServiceApprovedGitHub ↗
- HIP-1497Consensus Node Migration to Kubernetes-Native DeploymentActiveGitHub ↗
- HIP-1496Globally Synchronized Network Upgrade ProcessActiveGitHub ↗
- HIP-1448Simple Event BroadcastApprovedGitHub ↗
- HIP-1446Multiple Other-Parents in Hashgraph EventsFinalGitHub ↗
- HIP-1427Historical Record File Wrapping for Block Stream CutoverApprovedGitHub ↗
- HIP-1424Block and State Merkle Tree Hashing SchemeApprovedGitHub ↗
- HIP-1398TSS CeremonyActiveGitHub ↗
- HIP-1383Enhanced Error ResponsesDeferredGitHub ↗
- HIP-1357Tier 1 Block Node Operation RewardsFinalGitHub ↗
- HIP-1342Ignore Trailing Calldata for System ContractApprovedGitHub ↗
- HIP-1341Support for Ethereum Pectra ReleaseApprovedGitHub ↗
- HIP-1340EOA Code DelegationApprovedGitHub ↗
- HIP-1334Private Message Box Standard for Hiero AccountsActiveGitHub ↗
- HIP-1331An `ExtendedAssetChanges` extra for large atomic swapsReviewGitHub ↗
- HIP-1313High-Volume Entity CreationFinalGitHub ↗
- HIP-1300Increased Transaction Size for Governance AccountsFinalGitHub ↗
- HIP-1299Node Account ID Refinements for Dynamic Address BookFinalGitHub ↗
- HIP-1292Hiero AnonCreds MethodActiveGitHub ↗
- HIP-1261Simple FeesFinalGitHub ↗
- HIP-1259Fee Collection AccountFinalGitHub ↗
- HIP-1249Precise Smart Contract ThrottlingFinalGitHub ↗
- HIP-1238Network QuiescenceApprovedGitHub ↗
- HIP-1219Hedera DID Method v2.0 - W3C Controller AlignmentActiveGitHub ↗
- HIP-1217Contracts/Calls API ChangesActiveGitHub ↗
- HIP-1215Generalized Scheduled Contract CallsFinalGitHub ↗
- HIP-1200The hinTS threshold signature schemeApprovedGitHub ↗
- HIP-1195Hiero hooks and an application to allowancesApprovedGitHub ↗
- HIP-1193Record Stream to Block Stream CutoverApprovedGitHub ↗
- HIP-1190Improvements to the Wallet Connect implementation for dApps on HederaActiveGitHub ↗
- HIP-1139Enable Immutable Topic Ids and Updatable Submit Keys without an Admin Key.DeferredGitHub ↗
- HIP-1137Block Node discoverabilty via on chain registryFinalGitHub ↗
- HIP-1127Unified transaction record formatFinalGitHub ↗
- HIP-1126Delete Allowance without Token AssociationAcceptedGitHub ↗
- HIP-1086Jumbo EthereumTransactionFinalGitHub ↗
- HIP-1084Zero Cost EthereumTransaction on SuccessFinalGitHub ↗
- HIP-1081Block NodeApprovedGitHub ↗
- HIP-1064Daily Rewards For Active NodesFinalGitHub ↗
- HIP-1056Block StreamsApprovedGitHub ↗
- HIP-1049Deleted flag in ConsensusGetTopicAcceptedGitHub ↗
- HIP-1046Adding support for gRPC-Web proxy endpoints to the Address BookFinalGitHub ↗
- HIP-1037Protocol Buffer API SpecificationAcceptedGitHub ↗
- HIP-1028Metadata management via SmartContractsDeferredGitHub ↗
- HIP-1021Improve Assignment of Auto-Renew Account ID for TopicsFinalGitHub ↗
- HIP-1010Update Token Custom Fee Schedules via Smart ContractsFinalGitHub ↗
- HIP-1008Enhance Mirror Node Contract Log REST API with transaction hash query parameterFinalGitHub ↗
- HIP-993Improve record stream legibility and extensibilityFinalGitHub ↗
- HIP-991Permissionless revenue-generating Topic Ids for Topic OperatorsFinalGitHub ↗
- HIP-980Enhance mirror node entity rest APIs with timestamp query parameterAcceptedGitHub ↗
- HIP-968Enhance mirror node rest API to query by token nameFinalGitHub ↗
- HIP-945Improvements to Hedera DID MethodActiveGitHub ↗
- HIP-920NFT Music Metadata JSON SchemaActiveGitHub ↗
- HIP-906Proxy Redirect Contract for Hbar Allowance and ApprovalFinalGitHub ↗
- HIP-904Frictionless AirdropsFinalGitHub ↗
- HIP-874Enhancing Topic Metadata Accessibility in the Hedera REST APIFinalGitHub ↗
- HIP-873Adding Decimal Information to Token Balance Calls in the Hedera REST APIFinalGitHub ↗
- HIP-869Dynamic Address Book - Stage 1 - HAPI EndpointsFinalGitHub ↗
- HIP-868Support Cancun Self-Destruct Semantics in Smart Contract ServicesFinalGitHub ↗
- HIP-867Add Smart Contract Services Support for KZG Point Evaluation Precompiled FunctionFinalGitHub ↗
- HIP-866Add EVM compatibility for non-supported Cancun blob features.FinalGitHub ↗
- HIP-865Add EVM Support for transient storage and memory copy Cancun opcodesFinalGitHub ↗
- HIP-859Add support for gasConsumed field in REST APIs related to contract resultsFinalGitHub ↗
- HIP-857NFT Allowances REST APIFinalGitHub ↗
- HIP-850Enhancing Supply Key Functionality for NFT Updates in Treasury AccountFinalGitHub ↗
- HIP-844Handling and externalisation improvements for account nonce updatesFinalGitHub ↗
- HIP-830Event Serialization With Round Number, EventDescriptors, and Multiple Other Parents.FinalGitHub ↗
- HIP-820Integration of Wallet Connect 2.0 Protocol for Wallets and dApps on HederaActiveGitHub ↗
- HIP-801Add support for debug_traceTransaction RPC APIFinalGitHub ↗
- HIP-796Lockable Fractional Amounts of Fungible Tokens on HederaAcceptedGitHub ↗
- HIP-794Sunsetting Balance FileFinalGitHub ↗
- HIP-791Hedera Name ProtocolStagnantGitHub ↗
- HIP-786Enriched staking metadata exportsFinalGitHub ↗
- HIP-782Smoothing Staking RewardsFinalGitHub ↗
- HIP-777Pending Token TransfersWithdrawnGitHub ↗
- HIP-775Filter API in JSON-RPC RelayActiveGitHub ↗
- HIP-766NFT Collection Metadata JSON SchemaActiveGitHub ↗
- HIP-765NFT Collection Token Metadata FieldFinalGitHub ↗
- HIP-762AnonCreds Verifiable Data RegistryActiveGitHub ↗
- HIP-756Contract Scheduled Token CreateFinalGitHub ↗
- HIP-755Schedule Service System ContractFinalGitHub ↗
- HIP-745Optionally send transaction data without required transaction fieldsActiveGitHub ↗
- HIP-729Contract Accounts Nonce ExternalizationFinalGitHub ↗
- HIP-721Add Software Version to EventsFinalGitHub ↗
- HIP-719Associate and Dissociate Tokens via Facade ContractFinalGitHub ↗
- HIP-694Real-time events in JSON-RPC RelayActiveGitHub ↗
- HIP-690Identify Community Nodes in Address Book and Related APIRejectedGitHub ↗
- HIP-679Bucket restructuring for changing stream data folder structureAcceptedGitHub ↗
- HIP-657Mutable metadata fields for dynamic NFTsFinalGitHub ↗
- HIP-655Token airdrops without explicit associationsWithdrawnGitHub ↗
- HIP-646Fungible Token Metadata FieldFinalGitHub ↗
- HIP-639Errata recordsAcceptedGitHub ↗
- HIP-632Hedera Account Service (HAS) System ContractFinalGitHub ↗
- HIP-631Account Virtual AddressesAcceptedGitHub ↗
- HIP-584Mirror EVM Archive NodeFinalGitHub ↗
- HIP-583Expand alias support in CryptoCreate & CryptoTransfer TransactionsFinalGitHub ↗
- HIP-573Blanket exemptions for custom fee collectorsFinalGitHub ↗
- HIP-564Zero unit token operations in smart contractsFinalGitHub ↗
- HIP-551Batch transactionsFinalGitHub ↗
- HIP-542Payer-sponsored auto-account creation with HTS assetsFinalGitHub ↗
- HIP-540Change Or Remove Existing Keys From A TokenFinalGitHub ↗
- HIP-534REGISTRY CONTRACT for naming structureStagnantGitHub ↗
- HIP-514Hedera Token Service Precompiled Contract Token Management FunctionsFinalGitHub ↗
- HIP-513Smart Contract Traceability ExtensionFinalGitHub ↗
- HIP-482JSON-RPC RelayActiveGitHub ↗
- HIP-478Interoperability Between Smart Contracts and HCSActiveGitHub ↗
- HIP-475Exchange rate system contractFinalGitHub ↗
- HIP-449Record stream specification for expiring smart contractsFinalGitHub ↗
- HIP-435Record Stream V6FinalGitHub ↗
- HIP-423Long Term Scheduled TransactionsFinalGitHub ↗
- HIP-415Introduction Of BlocksFinalGitHub ↗
- HIP-412NFT Token Metadata JSON Schema v2ActiveGitHub ↗
- HIP-410Wrapping Ethereum Transaction Bytes in a Hedera TransactionFinalGitHub ↗
- HIP-406StakingFinalGitHub ↗
- HIP-405Fungible Token Metadata JSON SchemaActiveGitHub ↗
- HIP-394Add Expected Decimal Information to TokenMint, TokenBurn, and TokenWipeAccountAcceptedGitHub ↗
- HIP-376Support Approve/Allowance/transferFrom standard calls from ERC20 and ERC721FinalGitHub ↗
- HIP-372Entity Auto-Renewals and Expiry WindowFinalGitHub ↗
- HIP-367Unlimited Token Associations Per AccountFinalGitHub ↗
- HIP-358Allow Token Create Through Hedera Token Service Precompiled ContractFinalGitHub ↗
- HIP-351Add UtilPrngTransactionFinalGitHub ↗
- HIP-338Signature and Wallet ProvidersActiveGitHub ↗
- HIP-336Approval and Allowance API for TokensFinalGitHub ↗
- HIP-331Mirror REST NFT info balance endpointFinalGitHub ↗
- HIP-329Support CREATE2 opcodeFinalGitHub ↗
- HIP-323C SDKActiveGitHub ↗
- HIP-260Smart Contract TraceabilityReplacedGitHub ↗
- HIP-254Swift SDKActiveGitHub ↗
- HIP-227Mirror Node Search Contract Execution Log REST APIFinalGitHub ↗
- HIP-226Mirror Node Contract Execution Results REST APIFinalGitHub ↗
- HIP-222Support ECDSA(secp256k1) keysFinalGitHub ↗
- HIP-218Smart Contract interactions with Hedera Token AccountsFinalGitHub ↗
- HIP-213Application Signs for End UserActiveGitHub ↗
- HIP-206Hedera Token Service Precompiled Contract for Hedera SmartContract ServiceFinalGitHub ↗
- HIP-198Ledger IDAcceptedGitHub ↗
- HIP-185Smart Contract Service Gas Based ThrottlingFinalGitHub ↗
- HIP-179External Transaction Signing for SDK and other clientsActiveGitHub ↗
- HIP-173Opt-in merged schedulingAcceptedGitHub ↗
- HIP-171Add Message Sender's Account Id to Mirror Node API ResponseFinalGitHub ↗
- HIP-33Add Network ID Field to Info ResponsesFinalGitHub ↗
- HIP-32Auto Account CreationFinalGitHub ↗
- HIP-31Add Token Transfer Decimal InformationFinalGitHub ↗
- HIP-30CAIP Identifiers for the Hedera NetworkActiveGitHub ↗
- HIP-29JavaScript DID SDKActiveGitHub ↗
- HIP-28Guardian Type SolutionActiveGitHub ↗
- HIP-27DID improvements to offer a broader support and interoperability for the Hedera DID methodActiveGitHub ↗
- HIP-26Migrate Smart Contract Service EVM to Hyperledger Besu EVMFinalGitHub ↗
- HIP-25On-disk Virtual Merkle TreeFinalGitHub ↗
- HIP-24Pause feature on Hedera Token ServiceFinalGitHub ↗
- HIP-23Make the need for token association opt-inFinalGitHub ↗
- HIP-22ZKP-based Selective Attribute Disclosure in the DID SDKStagnantGitHub ↗
- HIP-21Free network info queryFinalGitHub ↗
- HIP-20Standardized URI scheme to reference Hedera dataReplacedGitHub ↗
- HIP-19Decentralized Identifiers in Memo FieldsFinalGitHub ↗
- HIP-18Custom Hedera Token Service FeesFinalGitHub ↗
- HIP-17Non-Fungible TokensFinalGitHub ↗
- HIP-16Entity Auto-RenewalFinalGitHub ↗
- HIP-15Address ChecksumFinalGitHub ↗
- HIP-14Token Hold FunctionalityReplacedGitHub ↗
- HIP-13Hedera Name ServiceActiveGitHub ↗
- HIP-11Layer-2 Smart Contract NetworkActiveGitHub ↗
- HIP-10Token Metadata JSON SchemaReplacedGitHub ↗
- HIP-1Hiero Improvement Proposal ProcessActiveGitHub ↗