Hedera Developer Highlights June 2025

This month, we’re launching the Hello Future: Origin Hackathon with $550,000 in prizes, kicking off July 21. Dive into the pre-release Hedera CLI for streamlined account management and smart contract deployment. Don’t miss insights from the latest Technical Community Call, and be sure to review the newly proposed HIPs 1215 (scheduled contract calls) and 1217 (modularized contracts call API).

Hedera Highlights June 2025

In this month’s Hedera Highlights, we’re excited to welcome two new Council members: Arrow Electronics and Blockchain for Energy (B4E). The Hedera Foundation continues to advance the future of trusted AI through key partnerships with EQTY Lab and Accenture, while further expanding the ecosystem with new strategic collaborations and use cases. We also reflect on a successful day in Washington, D.C., where Hedera leaders engaged with policymakers to shape the future of digital innovation.

How Hedera Ensures Quality in Releases of the Hiero Consensus Node Software

The Hedera mainnet is a public network that is mission-critical infrastructure. New features or updates to the Hiero Consensus Node software undergo thorough testing to maintain the enterprise-grade reliability that Hedera provides. This article provides a deep dive into the testing strategy that Hedera follows and how it supports the release cycle.

Introducing Jumbo Ethereum Transactions: Driving EVM-Compatibility on Hedera

HIP-1086 introduces Jumbo Ethereum transactions, expanding callData limits from 6KB to 128KB for enhanced EVM compatibility. This milestone eliminates complex multi-step deployments, enabling developers to deploy large smart contracts in single transactions while maintaining Hedera’s predictable fees and superior performance advantages.

Quarterly Events Highlights | Q2 2025 (April – June)

In Q2 of 2025, Hedera hosted and participated in 26 events, meetups, hackathons and more in 14 cities across North America, Europe, the Middle East, and Asia-Pacific – further fostering innovation in AI, real-world assets (RWAs), tokenization, and sustainability.

Decentralization by Design

There is currently much discussion of decentralization of blockchains, and the implications for trust, control, and whether their native coins should be viewed as securities or commodities within regulatory frameworks. So it is useful to think through why decentralization is desirable, and what a useful definition of it would be.

An Early Look at the Hedera CLI: Simplify, Automate, and Accelerate Development on Hedera

The Hedera CLI is a command-line tool built for developers working with the Hedera network. It streamlines tasks such as creating accounts, managing tokens, deploying smart contracts, and interacting with the Hedera Consensus Service. The tool supports script automation, letting you store outputs like account IDs or private keys as reusable variables, simplifying complex operations and speeding up your development process.

Arrow Electronics Joins Hedera Council to Advance Supply Chain Solutions

June 4, 2025 — Centennial, Colo. — Arrow Electronics (NYSE: ARW), a global distributor that sources and engineers technology solutions for thousands of leading manufacturers and service providers, has joined Hedera Council to support decentralized governance of the Hedera Network, and to develop a global supply chain initiative focused on standards and efficiency.