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 …

Since the introduction of Bitcoin---the first widespread application driven by blockchains---
the interest in the design of blockchain-based applications has increased tremendously. At …

Recent developments in blockchain technology have inspired innovative new designs in
resilient distributed and database systems. At their core, these blockchain applications …

The emergence of blockchains has fueled the development of resilient systems that can deal
with Byzantine failures due to crashes, bugs, or even malicious behavior. Recently, we have …

Recently, non-volatile memory (NVM) technology has revolutionized the landscape of
memory systems. With many advantages, such as non volatility and near zero standby …

Recently, we saw the emergence of consensus-based database systems that promise
resilience against failures, strong data provenance, and federated data management …

Proof-of-Work (PoW) is the most widely adopted incentive model in current blockchain
systems, which unfortunately is energy inefficient. Proof-of-Stake (PoS) is then proposed to …

The success of Bitcoin and other cryptocurrencies is drawing significant interest to
blockchains. A blockchain system implements a tamper-evident ledger for recording …

Byzantine Fault-Tolerant (BFT) protocols cover a broad spectrum of design dimensions from
infrastructure settings, such as the communication topology, to more technical features, such …

The growing interest in reliable multi-party applications has fostered widespread adoption of
Byzantine Fault-Tolerant (bft) consensus protocols. Existing bft protocols need f more …