Hedera Hashgraph Blog

Developer Resources Update

May 01, 2020Cooper Kunz

Today we kicked off Hedera20, our first fully virtual hackathon. Throughout the 6 week challenge, teams of up to 5 have the opportunity to build on the new Hedera Consensus Service (HCS), which brings a decentralized publish-subscribe architecture to any application. We couldn’t be more excited to see what gets developed, and we’re thrilled to provide a few new developer tools that can help you build with HCS during and beyond the hackathon.

Decentralized Identity on the Hedera Consensus Service

May 01, 2020Paul Madsen

Hedera is pleased to announce the early availability of beta tools that Hedera developers can use to manage the lifecycle of Decentralized Identifiers (DIDs) and Verifiable Credentials via the Hedera Consensus Service. We welcome feedback from the community on these tools.

Kingdom Trust Now Offers Custody for Hedera Hashgraph

Apr 28, 2020Hedera Hashgraph

Dallas, TX and Sioux Falls, SD — April 28th, 2020 — Hedera Hashgraph, the enterprise-grade distributed public ledger, and Kingdom Trust, a leading qualified custodian holding cryptocurrency investments, today announced that Kingdom Trust has added Hedera’s hbars (HBAR) to its list of acceptable digital currency investments.

Hedera Technical Insights: Hedera Hashgraph Transaction and Query Processing Model

Apr 28, 2020Paul Madsen

Hedera Hashgraph is a public ledger. Nodes on the network collectively establish and maintain a consensus state for a set of application data. Clients interact with that state through API calls sent to the nodes of the network.

The Hedera20 Hackathon Guide by Hashing Systems

Apr 28, 2020The Hashing Systems Team

A lot has changed since Hedera18: The Hedera mainnet is live; thousands of people have joined the ecosystem; and over a million transactions have been processed. Development resources are also above and beyond what they were in 2018. Now, we’re preparing for Hedera20 using what we’ve learned to put together a guide for making the most of this virtual hackathon.

The Coupon Bureau to Use Hedera Consensus Service for Tamper-Proof Log for Top Consumer Brands’ Coupon Events

Apr 22, 2020Hedera Hashgraph

Dallas, TXApril 22nd, 2020The Coupon Bureau (TCB), a non-profit, industry managed coupon data exchange technology platform that works with many of the largest consumer product goods (CPG) manufacturers and others in the retail ecosystem, announced today that it is using the Hedera Consensus Service (HCS) from Hedera Hashgraph to provide a real-time, tamper-proof log for all coupon events on its platform.

Announcing Hedera Consensus Service Plug-Ins for Permissioned Blockchain Networks

Apr 21, 2020Donald Thibeau

Hedera Consensus Service plug-ins provide a decentralized ordering service for Hyperledger Fabric or notary in Corda networks. And we’re thrilled to have the Hyperledger Fabric plug-in as a Hyperledger Lab. The open source code for both plug-ins is available as a developer preview today.

Hedera Technical Insights: Fair Timestamping and Fair Ordering of Transactions

Apr 12, 2020Hedera Hashgraph

Many applications require knowing either the time at which a business transaction happened (for instance, submitting federal taxes before the deadline) or its order relative to other transactions (for instance, competing bids in markets or auctions) or both. Time, or order, will generally be used to assess validity of a transaction or priority relative to other transactions.

Hedera 20 - Hack the future

Apr 07, 2020Lina Tran

We’re leaning into this brave new world and moving beyond physical locations for the first global Hedera hackathon, Hedera20.