A major approach to overcoming the performance and scalability limitations of current
blockchain protocols is to use sharding which is to split the overheads of processing …

Cryptocurrencies, implemented with blockchain protocols, promise to become a global
payment system if they can overcome performance limitations. Rapidly advancing …

Sharding blockchains are proposed to solve the scalability problem while maintaining
security and decentralization. However, there are still many issues to be solved. First, the …

Scalability is one of the main roadblocks to business adoption of blockchain systems.
Despite recent intensive research on using sharding techniques to enhance the scalability of …

Sharding has been considered as a prominent approach to enhance the limited
performance of blockchain. However, most sharding systems leverage a non-cooperative …

Sharding technology is crucial to achieve decentralization, scalability, and security
simultaneously. However, existing sharding blockchain schemes suffer from high cross …

Cryptocurrencies, such as Bitcoin and 250 similar alt-coins, embody at their core a
blockchain protocol---a mechanism for a distributed network of computational nodes to …

A major challenge in blockchain sharding protocols is that more than 95% transactions are
cross-shard. Not only those cross-shard transactions degrade the system throughput but …

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 is a distributed and decentralized ledger for recording transactions. It is
maintained and shared among the participating nodes by utilizing cryptographic primitives …