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Ruskin Felix Consulting

Ruskin Felix Consulting

Hedera Hashgraph vs Blockchain

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Distributed Ledger Technologies

As the world progresses towards a more digital future, distributed ledger technologies have emerged as an important area of innovation. Both Hedera Hashgraph and blockchain aim to decentralize record keeping through distributed networks, but they approach the challenge in different ways. With new technologies vying for adoption, it is prudent to examine the relative merits and applications of each approach.

Who To Vote for The Best-Distributed Ledger Technology?

At their core, both Hedera Hashgraph and blockchain seek to distribute trust through consensus-based networks instead of centralized authorities. This allows for transparent, immutable records without single points of failure. However, they diverge in their technical implementations. Blockchain utilizes a linear chain of blocks containing sequential transaction records. Each new block requires proof of work or stake validation from nodes across the network. This process can become computationally intensive at scale.

In contrast, Hedera Hashgraph employs an asynchronous Byzantine fault tolerant algorithm called gossip about gossip. Through this, nodes can validate transactions and reach consensus in parallel rather than serially. Proponents argue this allows Hashgraph to process thousands of transactions per second compared to tens for blockchain. The asynchronous nature also removes mining incentives, prioritizing fairness over competition.

Consensus Mechanisms and Validation Processes

The consensus mechanisms employed by Hedera Hashgraph and blockchain are a key point of differentiation between the two distributed ledger technologies. Blockchain relies primarily on proof-of-work or proof-of-stake to validate transactions and reach network-wide agreement.

Proof-of-work involves miners competing to solve complex cryptographic puzzles, with the first to solve it gaining the right to validate the next block of transactions. However, this process consumes vast amounts of energy as the puzzles increase in difficulty. Proof-of-stake instead selects validators based on their holdings in the native cryptocurrency. While more efficient, there are concerns it could become centralized if ownership is highly concentrated.

Hedera Hashgraph takes a novel approach called gossip about gossip. Rather than competing, nodes communicate approved transactions and timestamps to their peers in the network. Through this asynchronous process, nodes can validate transactions and order them based on virtual voting from across the entire network simultaneously. Proponents argue this results in a fairer, more decentralized consensus without wasteful mining incentives.

Performance and Scalability

While speed and efficiency advantages are compelling, blockchain currently enjoys far broader adoption thanks to its open governance model. As a patented technology, Hashgraph is controlled by its governing council of major corporations. For some use cases, the centralized oversight may discourage participation. Blockchain’s decentralized nature better enables grassroots innovation and independent development.

Both technologies show promise, but their strengths suit different applications. Public, transparent records like digital currencies currently find blockchain a more natural fit. However, as distributed systems assume more vital private sector roles, Hedera Hashgraph’s performance characteristics could make it preferable for supply chain management, IoT networks, or other performance-critical services.

The performance implications of these different mechanisms are also notable. Blockchain’s sequential validation process can currently only handle a limited number of transactions per second depending on the implementation. In contrast, Hedera Hashgraph’s parallel gossip-based approach has demonstrated throughput in excess of 10,000 transactions per second in testing.

Additional Analogous Notes

Hedera Hashgraph offers significant performance advantages over blockchain-based networks like Bitcoin in terms of transaction throughput. Where Bitcoin can only handle 3-7 transactions per second maximum, Hedera has demonstrated over 10,000 transactions per second in testing. This level of scalability could make Hashgraph more suitable than blockchain for applications requiring high volume.

The energy efficiency of Hedera is also a major benefit, with estimates that a single transaction uses over 5.8 million times less energy than Bitcoin. This significant reduction in carbon footprint has implications for sustainability, especially as transaction volume grows.

Compared to other blockchain platforms, Hedera achieves its high performance without relying on power-intensive mechanisms like proof-of-work. Instead, its gossip-based consensus protocol and acyclic graph structure allow for rapid, distributed validation in a more streamlined manner.

Potential Applications Based on Attributes

For use cases like supply chain management or micropayments, this level of scalability could give Hashgraph a clear advantage. However, blockchain has established a first-mover advantage through the popularity of cryptocurrencies, and proof-of-work remains the most stress-tested model to date. Overall, continued development of both technologies promises to drive further innovation in distributed systems going forward.

While Hedera has clear advantages in these areas, it is still in earlier stages of deployment and adoption compared to major blockchain networks. Further real-world testing will still be needed, especially as network size increases, to fully validate the scalability and security of its consensus approach. Continued development on both technologies promises ongoing innovation in distributed ledger solutions.

Overall, healthy competition between the approaches will drive continued progress in distributed ledger technologies for the benefit of businesses and consumers. Further real-world use and development will determine which model proves most versatile.

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