Since the inception of Bitcoin, cryptocurrencies and the underlying blockchain technology
have attracted an increasing interest from both academia and industry. Among various core …

Blockchain is a technology making the shared registry concept from distributed systems a
reality for a number of application domains, from the cryptocurrency one to potentially any …

SBFT is a state of the art Byzantine fault tolerant state machine replication system that
addresses the challenges of scalability, decentralization and global geo-replication. SBFT is …

Fabric is a modular and extensible open-source system for deploying and operating
permissioned blockchains and one of the Hyperledger projects hosted by the Linux …

Tendermint is a new protocol for ordering events in a distributed network under adversarial
conditions. More commonly known as consensus or atomic broadcast, the problem has …

The core technical component of blockchains is consensus: how to reach agreement among
a distributed network of nodes. A plethora of blockchain consensus protocols have been …

Current blockchain platforms, especially the recent permissioned systems, have
architectural limitations: smart contracts run sequentially, all node executes all smart …

The surging interest in blockchain technology has revitalized the search for effective
Byzantine consensus schemes. In particular, the blockchain community has been looking for …

We describe our experiences with the Chubby lock service, which is intended to provide
coarse-grained locking as well as reliable (though low-volume) storage for a loosely …

This e-book is devoted to global optimization algorithms, which are methods to find optimal
solutions for given problems. It especially focuses on Evolutionary Computation by …