This is Michiel from Hashgraph back with highlights from the month of October
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Hi there,

This is Michiel from Hashgraph, bringing you the October developer highlights.

This month, you’ll find key updates like Batch Transactions (HIP-551), enabling atomic multi-action execution. The community call also introduced Dynamic Node Accounts (HIP-1299) and Blockstreams (HIP-1056) for faster, verifiable network data.

 

We’ve included new resources to help you build faster: a deep dive into the Hedera Agent Kit for AI-driven workflows, a guide on wallet connectivity, and several new livestreams to get hands-on with the latest tools. Finally, don’t miss the latest Hedera Builders Live, featuring HeadStarter and Orbit, and community updates from Hashport. 

 

Let’s dive in!

Announcements

    10.09.25

    Transitioning Hedera CLI to Hiero CLI

      10.13.25

      Unlocking New Possibilities with Hedera Batch Transactions (HIP-551)

        10.29.25

        Deprecation of Alpha State Proofs (ASP) on Hedera

          11.03.25

          Participate in the Hello Future Ascension Hackathon

            Featured Media

              Technical Community Call: Leveling-Up Hedera: Batch Transactions, Hiero, and Dynamic Node Accounts

                During the October Technical Community Call, the team discussed:

                • Hedera’s code is now fully open and vendor-neutral under the Linux Foundation.
                • Batch Transactions (HIP-551): Combine multiple actions into one atomic, all-or-nothing transaction.
                • Dynamic Node Accounts (HIP-1299): Nodes can update account IDs.
                • Blockstreams (HIP-1056): Unified data stream with faster, verifiable, and filterable network data.

                Screenshot 2025-11-03 at 14.19.25

                Building with ERC-8004 & x402 (live)

                  This live stream, hosted by Jake, focused on building AI agents using ERC-8004 for trust/identity (via NFTs, reputation, and validation) and x402 for seamless micropayments in machine economies.
                  Screenshot 2025-11-03 at 14.36.39

                  Developer Resources

                    Deep Dive into the Hedera Agent Kit: Plugins, Tools, and Practical Workflows

                    You’ll learn how to bring AI-driven workflows to the Hedera network using the Hedera Agent Kit. It connects to Hedera services like HCS, HTS, and account management. The blog walks you through the plugin-based architecture, shows how to build both human-in-the-loop and autonomous agents, and includes practical examples such as sending HCS messages, creating tokens, and managing accounts using AI agents.

                      Wallet Connectivity on Hedera: When to Use Reown AppKit and Hedera Wallet Connect

                      Learn how to choose between Reown AppKit and Hedera Wallet Connect for wallet integration. Reown offers an EVM-friendly, multi-chain setup, while Hedera Wallet Connect unlocks native features like HTS minting, HCS messaging, and Ed25519 keys. Use Reown for EVM-style dApp, or combine both to support native and EVM workflows in a single integration.

                        Livestream: Hedera Made Simple — Start your Journey

                        Get hands-on with Hedera: when to use native SDKs vs the EVM, and how to combine them in a hybrid design. The workshop demos the Playground, Contract Builder, and faucet while you create accounts, post HCS messages, mint HTS tokens, and use scheduled transactions. 

                          Featured Community Projects

                            Hashport: Introducing the HBAR Faucet & Hashpass

                            Hashport's blog announces the beta launch of the HBAR Faucet on October 1, 2025, providing new Hedera users with $0.25 USD in HBAR to cover initial transaction fees, addressing the "cold start" problem and reducing onboarding friction.
                             
                            Additionally, it introduces Hashpass, an account verification system that scores Hedera accounts based on factors such as age, transaction count, diversity, and asset value, to combat bot activity and enhance ecosystem security.

                              Hedera Builders Live: From Zero to One

                              The latest Hedera Builders Live showcased why developers are choosing Hedera, including its strong community, enterprise governance, and lightning-fast, low-cost transactions. Furthermore, HeadStarter is evolving from a launchpad into a comprehensive DeFi hub, introducing yield and new tools. Also, Orbit introduced on-chain limit orders and a frictionless trading interface built on top of SaucerSwap and MemeJob.

                                Hedera Improvement Proposals

                                  HIP-1299: Node Account ID Refinements for Dynamic Address Book

                                  HIP-1299 changes how node account IDs are managed in Hedera’s Dynamic Address Book. Nodes can now securely update or remove their account IDs with proper signatures, preventing reuse across nodes. Changes take effect immediately, rewards route safely if delivery fails, and low-balance nodes are auto-removed for stability.

                                    HIP-1127: Unified transaction record format

                                    HIP-1127 unifies how transactions are represented in Hedera’s block stream by standardizing on the SignedTransaction format. It removes legacy nesting that caused data bloat, improves parsing efficiency, and preserves existing transaction hashes, so no client changes are needed. The update simplifies serialization, ensures consistent hashing, and modernizes the block stream without affecting current APIs.

                                      HIP-1261: Simple Fees

                                      HIP-1261 proposes a clear, predictable fee model for Hedera: every transaction is “base fee + extras” (bytes, signatures, keys, gas, etc.), split into node, network, and service components. Fees are defined once in a deterministic JSON schedule (in USD tinycents) that tools and mirror nodes can reproduce exactly. The HIP standardizes how unreadable, invalid, unhandled, and bad transactions are charged, and supports congestion pricing.

                                        Developer Events

                                          Stay informed about upcoming Hedera developer events with our public events calendar at hedera.com/events.

                                          New-York-Blockchain-Week

                                          New York Blockchain Week

                                            ETHGlobal buenos aires

                                            ETHGlobal Buenos Aires

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