Blockchain has been widely used in various fields, such as health management, finance, the
Internet of Things (IoT), identity management, and supply chains. However, the performance …

Although existing schemes improve blockchain throughput by allowing concurrent blocks to
be appended to the blockchain, little attention has been devoted to adjusting blockchain …

Due to its security, transparency, and flexibility in verifying virtual assets, blockchain has
been identified as one of the key technologies for Metaverse. Unfortunately, blockchain …

Blockchains are a secure alternative for long-length data storage & security deployments.
Though blockchains are unbounded, their quality of service (QoS) performance reduces …

Unbalanced consensus latency in reaching a consensus on transactions occurs due to
differences in the ability of different committees to process transactions. As the consensus …

Blockchain is a trans-generational technology that is gradually introduced and applied in
many fields because of its characteristics such as tamper-proof, traceability, and …

With the fast growth of blockchain technology, blockchain as a decentralized distributed
ledger technology has become more widely used and is gradually changing our way of life …

In order to fully unlock the transformative power of distributed ledgers and blockchains, it is
crucial to develop innovative consensus algorithms that can overcome the obstacles of …

Sharding is a promising solution to enhance the scalability of blockchain. However, previous
sharding systems adopt the lock-based cross-shard protocol to exclusively handle one-shot …

Sharding can enhance blockchain scalability by dividing nodes into multiple shards to
handle transactions in parallel. However, the size-security dilemma where a shard must be …