Bitcoin uses a decentralized network of miners and a distributed consensus algorithm to
agree on blockchains to process transactions, and designs certain incentive strategy to …

As one of the most popular cryptocurrencies, Bitcoin is essentially a decentralized ledger.
Each node maintains the security of the blockchain through the workload proof mechanism …

Bitcoin-NG (next generation), a scalable blockchain protocol, divides each block into a key
block and many microblocks to effectively improve the transaction processing capacity …

Selfish mining is a well-known mining attack strategy discovered by Eyal and Sirer in 2014.
After that, the attackers' strategy has been further discussed by many other works, which …

The selfish mining attack, arguably the most famous game-theoretic attack in blockchain,
indicates that the Bitcoin protocol is not incentive-compatible. Most subsequent works mainly …

In a Bitcoin market, miners participate in blockchain mining with an aim to make profits. Until
reaching consensus, PoW-valid blocks (including validated transactions and proper PoW …

This paper studies a fundamental problem regarding the security of blockchain PoW
consensus on how the existence of multiple misbehaving miners influences the profitability …

In proof-of-work (PoW)-based blockchain networks, the miners contribute their distributed
computation in solving a crypto-puzzle competition to win the reward. To secure stable …

Bitcoin is a widely-spread payment instrument, but it is doubtful whether the proof-of-work
(PoW) nature of the system is financially sustainable on the long term. To assess …

As the first and most famous cryptocurrency-based blockchain technology, Bitcoin has
attracted tremendous attention from both academic and industrial communities in the past …