Sharding can significantly improve the blockchain scalability, by dividing nodes into small
groups called shards that can handle transactions in parallel. However, all existing sharding …

To draw a roadmap of current research activities of the blockchain community, we first
conduct a brief overview of state-of-the-art blockchain surveys published in the past 5 years …

In the current era, blockchain has approximately 30 consensus algorithms. This
architecturally distributed database stores data in an encrypted form with multiple checks …

Today's systems, approaches, and technologies leveraged for managing oil and gas supply
chain operations fall short of providing operational transparency, traceability, audit, security …

Industrial processes rely on sensory data for decision-making processes, risk assessment,
and performance evaluation. Extracting actionable insights from the collected data calls for …

Blockchain has received a lot of attention recently for its characteristics of decentralization,
immutability, traceability, etc., making it a promising technology for the development of …

Blockchains, in general, and cryptocurrencies such as Bitcoin, in particular, are realized
using distributed systems and hence critically rely on the performance and security of the …

As a promising solution to blockchain scalability, sharding divides blockchain nodes into
small groups called shards, splitting the workload. Existing works for sharding, however, are …

Blockchain and distributed ledger technologies have received significant interest in various
areas beyond the financial sector, with profound applications in the Internet of Things (IoT) …

In today's blockchain system, designing a secure and high throughput blockchain on par
with a centralized payment system is a difficult task. Sharding is one of the most worthwhile …