Although blockchain-based digital services promise trust, accountability, and transparency,
multiple paradoxes between blockchains and GDPR have been highlighted in the recent …

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 …

A blockchain is an append-only linked-list of blocks, which is maintained at each
participating node. Each block records a set of transactions and their associated metadata …

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

The recent surge in federated data management applications has brought forth concerns
about the security of underlying data and the consistency of replicas in the presence of …

The problem of distributed consensus has played a major role in the development of
distributed data management systems. This includes the development of distributed atomic …

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 …

Since the introduction of blockchains, several new database systems and applications have
tried to employ them. At the core of such blockchain designs are Byzantine Fault-Tolerant …