Annual Conference

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Blockchain and Cryptocurrency

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May 2021

Suppose that n players want to elect a random leader and they communicate by posting messages to a common broadcast channel. This problem is called leader election, and it is fundamental to the distributed systems and cryptography literature. Recently, it has attracted renewed interests due to its p...
Keywords: cryptographic protocols / game theory, leader election, multi-party computation, extractor, round complexity
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Annual Conference

|

Blockchain and Cryptocurrency

|

May 2021

Proof-of-Work mining is intended to provide blockchains with robustness against double-spend attacks. However, an economic analysis that follows from Budish (2018), which considers free entry conditions together with the ability to rent sufficient hashrate to conduct an attack, suggests that the res...
Keywords: cryptography and security, game theory, cryptoeconomic systems
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