Blockchain is a technology that ensures data security by verifying database of records
established in a decentralized and distributed network. Blockchain-based approaches have …

Proof-of-work (PoW) cryptocurrency blockchains like Bitcoin secure vast amounts of money.
Their operators, called miners, expend resources to generate blocks and receive monetary …

Decentralized Exchanges (DEXes) enable users to create markets for exchanging any pair
of cryptocurrencies. The direct exchange rate of two tokens may not match the cross …

With rapid development of blockchain technology as well as integration of various
application areas, performance evaluation, performance optimization, and dynamic decision …

The selfish mining attack allows cryptocurrency miners to mine more than their" fair share" of
blocks, stealing revenue from other miners while reducing the overall security of payments …

It is interesting but difficult and challenging to study Ethereum with multiple mining pools.
One of the main difficulties comes from not only how to represent such a general tree with …

In this paper, we provide a new theoretical framework of pyramid Markov processes to solve
some open and fundamental problems of blockchain selfish mining under a rigorous …

Bitcoin is a decentralised digital currency that serves as an alternative to existing transaction
systems based on an external central authority for security. Although Bitcoin has many …

Recent results in the ML community have revealed that learning algorithms used to compute
the optimal strategy for the leader to commit to in a Stackelberg game, are susceptible to …

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