Hashgraph Technology Explained: A Faster, Greener Blockchain Alternative
- Rishabh Porwal
- Apr 6, 2023
- 7 min read
Updated: Aug 4

The Race for the Digital Horizon: Is There a Faster, Safer Way?
In the electrifying world of decentralized digital technologies, blockchain has long been the undisputed pioneer, heralding a new era of transparency and security. Yet, as the digital economy scales, the demand for ever-increasing speed, efficiency, and sustainability has sparked an intense innovation race.
What if there was a distributed ledger technology (DLT) that promised to outpace blockchain, offering near-instant finality and unprecedented energy efficiency?
Enter Hashgraph Technology.
This approach is being touted as a powerful alternative, challenging conventional notions of how digital transactions are recorded and verified. This article will delve deep into Hashgraph Technology, exploring its unique mechanics, precisely what technology HBAR uses, and conducting a crucial distributed ledger technology comparison to understand its advantages and limitations. Join us as we uncover whether Hashgraph vs. Blockchain is a competition, a collaboration, or simply a matter of choosing the right tool for the right job in the evolving DLT landscape.
What is Hashgraph Technology?
Hashgraph is a consensus algorithm and a form of distributed ledger technology (DLT) that operates differently from traditional blockchains. Invented by Dr. Leemon Baird in 2016 and developed by Hedera Hashgraph, it fundamentally rethinks how distributed networks reach agreement on transaction order and validity.
Unlike blockchain, which organizes data into linear blocks, Hashgraph utilizes a Directed Acyclic Graph (DAG) technology. This structure records transactions in a way that allows for high throughput and remarkably low latency. In essence, instead of waiting for a new block to be "mined" and added sequentially, transactions are processed in parallel, creating a more efficient and asynchronous flow of information. The data stored in the DAG is secured using advanced cryptographic hash functions, ensuring its authenticity and immutability.
This unique design allows the network to process a large number of transactions in a very short amount of time, positioning it as a potent solution for high-volume digital environments.
How Hashgraph Works: Gossip About Gossip & Virtual Voting
The core of Hashgraph technology lies in its innovative "gossip about gossip" protocol and "virtual voting" mechanism.
Gossip About Gossip: Nodes (computers in the network) don't just "gossip" (share information about transactions); they "gossip about gossip." When a node sends out information about a transaction, it also includes information about the transactions it has recently received from other nodes. This rapid, probabilistic sharing of information ensures that all nodes quickly gain knowledge of a large portion of the network's transaction history.
Virtual Voting: Instead of sending out actual votes, each node uses its knowledge of the "gossip" (the shared transaction history) to determine what other nodes would have voted. This "virtual voting" allows the network to achieve consensus on the order of transactions without the overhead of explicit voting, leading to incredibly fast transaction finality.
This method not only ensures efficient data processing but also offers a high degree of fairness, guaranteeing that transactions are ordered by the consensus of the community rather than external factors or a single leader. This unique consensus algorithm is what defines the underlying technology of the Hedera Hashgraph network.
HBAR: The Fuel for the Hedera Hashgraph Network
HBAR is the native cryptocurrency used by the Hedera Hashgraph network. It serves a dual purpose: it acts as the fuel for network services (like transaction fees, smart contract execution, and file storage) and provides a mechanism for network security through its proof-of-stake consensus algorithm.
The technology used by HBAR is inherently energy-efficient. Unlike blockchain networks that rely on Proof of Work (PoW), which requires miners to perform complex, energy-intensive computations to validate transactions, Hashgraph does not require such computations. This means that the Hedera network consumes significantly less energy than traditional PoW blockchain networks. For instance, a single HBAR transaction consumes only 0.00000017 kWh, compared to Bitcoin's 885 kWh per transaction, making it drastically more environmentally friendly. This energy efficiency is a key advantage, especially as global concerns about blockchain's environmental footprint grow.
Hashgraph vs. Blockchain: A Fundamental Comparison
The question of whether Hashgraph will replace blockchain entirely is a nuanced one. While Hashgraph technology boasts several compelling advantages, a direct comparison reveals both its strengths and distinct characteristics compared to traditional blockchain:
Throughput & Latency: Hashgraph typically offers significantly higher transaction throughput (transactions per second) and lower latency (faster transaction finality) than many established blockchains. Hedera Hashgraph claims to process over 10,000 transactions per second with near-instant finality, whereas some larger public blockchains may handle only tens or hundreds. This makes it ideal for high-volume, real-time applications.
Energy Efficiency: As noted, Hashgraph's consensus mechanism is far more energy-efficient than Proof of Work blockchains, addressing a critical sustainability concern.
Fairness: Hashgraph's consensus is designed to guarantee "fairness," meaning transactions are ordered by community consensus and not by who can process a block fastest or by miner manipulation.
Open vs. Permissioned: Blockchain began as an open system, allowing anyone to participate. While permissionless blockchains (like Bitcoin, Ethereum) remain open, Hedera Hashgraph operates as a permissioned network. It is governed by a council of leading global organizations, offering enterprise-grade stability and predictable governance, but implying a degree of centralization compared to fully permissionless public blockchains.
Maturity & Adoption: Blockchain is a more established technology, having been around longer and more widely adopted across various use cases and industries. Hashgraph is a newer entrant gaining traction, particularly for enterprise solutions.
Ultimately, the choice between blockchain or Hashgraph depends on the specific needs of the application. Some applications may benefit from the higher throughput and lower latency of Hashgraph for speed-critical tasks, while others may prefer the openness and established track record of permissionless blockchain for maximum decentralization.
The Future of DLTs: Beyond the Comparison
The DLT landscape is diverse and rapidly evolving. The future of DLTs is not necessarily a zero-sum game where one technology replaces the other. Instead, we are likely to see increased specialization and interoperability.
Complementary Roles: Hashgraph's strengths in high-throughput enterprise applications could complement blockchain's strengths in broader public decentralization. Enterprises might use Hashgraph for internal logistics or supply chain management where speed and guaranteed finality are paramount, while settling major financial transactions on a public blockchain.
Hybrid Solutions: The development of hybrid blockchain models and cross-chain communication protocols will allow different DLTs to interact, leveraging each other's strengths.
Specialized Use Cases: As distributed ledger technology comparison becomes more sophisticated, organizations will select DLTs based on precise requirements for scalability, security, transparency, energy efficiency, and governance models.
This dynamic ecosystem is set to drive significant innovation across various sectors, including global trade finance, where the underlying efficiency and integrity of the ledger can unlock vast value.
Real-World Applications of Hashgraph in Maritime and Trade Finance
Hashgraph is making real strides in maritime logistics and trade finance by solving long-standing issues of speed, trust, and transparency. Unlike traditional blockchain, it processes transactions in seconds with near-zero fees, making it ideal for high-volume shipping operations. Companies like AVC Global use Hedera’s Hashgraph to secure supply chain data, prevent fraud in customs clearance, and ensure product authenticity through tamper-proof tracking. This brings full visibility from factory to port, reducing delays and errors.
In trade finance, South Korea’s Shinhan Bank ran a successful trial with Standard Bank using Hedera to settle cross-border payments in just 35 seconds—dramatically faster than traditional systems. Isle Finance has built a payment network on Hashgraph that gives global suppliers instant access to funds, closing the $2.5 trillion trade finance gap, especially for small businesses stuck waiting weeks for payments.
Meanwhile, Avery Dennison uses Hashgraph to track products at item-level and verify carbon emissions, helping shippers meet green regulations with trustworthy data. In the UK, tokenized financial assets like government bonds are now being used as collateral on Hedera, bridging traditional finance with digital innovation. These real-world uses show Hashgraph isn’t just theoretical—it’s already streamlining global trade, cutting costs, and building a more secure, efficient, and inclusive system for moving goods and money across borders.
Hashgraph: A Powerful Addition to the DLT Landscape
Hashgraph technology stands as a promising and powerful alternative to traditional blockchain, offering distinct advantages such as high throughput, low latency, and remarkable energy efficiency. The Hedera Hashgraph network, powered by its HBAR cryptocurrency, exemplifies a fast, secure, and fair platform poised for enterprise-grade applications.
While Hashgraph is unlikely to replace blockchain entirely, it is a valuable addition to the growing distributed ledger technology landscape. Its unique approach to consensus and transaction processing offers compelling solutions for specific use cases demanding speed and efficiency. As the future of DLTs unfolds, both blockchain and Hashgraph will play vital roles, driving innovation and enabling a more digital, transparent, and efficient global economy.
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FAQS about Hashgraph Technology
What is Hashgraph technology?
Hashgraph is a distributed ledger technology (DLT) and a consensus algorithm that uses a Directed Acyclic Graph (DAG) structure to record transactions, enabling high throughput, low latency, and strong security.
What are the main differences between Hashgraph and Blockchain?
Hashgraph typically offers higher transaction speeds, lower latency, and greater energy efficiency compared to traditional blockchain. However, blockchain is an open system, while Hedera Hashgraph (using Hashgraph) operates as a permissioned network.
What technology does HBAR use?
HBAR is the native cryptocurrency of the Hedera Hashgraph network. It utilizes the Hashgraph consensus algorithm, a unique DLT that is designed to be fast, secure, fair, and energy-efficient.
Will Hashgraph replace blockchain entirely in the future?
It is unlikely. While Hashgraph excels in certain areas, both technologies have distinct strengths and limitations. The choice between them depends on specific application needs, such as requirements for openness, decentralization, speed, or specific governance models.
What are some key benefits of Hashgraph technology?
Key benefits include high throughput (processing many transactions quickly), low latency (fast transaction finality), strong security (using cryptographic hash functions), fairness in transaction ordering, and high energy efficiency compared to Proof-of-Work blockchains.