Blockchain consensus protocols have been a focus of attention since the advent of Bitcoin.
Although classic distributed consensus algorithms made significant contributions to the …

Since the advent of distributed ledger technologies, they have provided diverse
opportunities in a wide range of application domains. This article brings a comprehensive …

We present “Ouroboros”, the first blockchain protocol based on proof of stake with rigorous
security guarantees. We establish security properties for the protocol comparable to those …

Abstract We present “Ouroboros Praos”, a proof-of-stake blockchain protocol that, for the first
time, provides security against fully-adaptive corruption in the semi-synchronous setting …

Sidechains have long been heralded as the key enabler of blockchain scalability and
interoperability. However, no modeling of the concept or a provably secure construction has …

Consensus algorithms are applied in the context of distributed computer systems to improve
their fault tolerance. The explosive development of distributed ledger technology following …

Blockchain has recently emerged as a research trend, with potential applications in a broad
range of industries and context. One particular successful Blockchain technology is smart …

Popular permissionless distributed ledger technology (DLT) systems using proof-of-work
(PoW) for Sybil attack resistance have extreme energy requirements, drawing stern criticism …

Blockchain technology can solve the problem of trust in the open network in a decentralized
way. It has broad application prospects and has attracted extensive attention from academia …

We present" Gasper," a proof-of-stake-based consensus protocol, which is an idealized
version of the proposed Ethereum 2.0 beacon chain. The protocol combines Casper FFG, a …