189 citations · 342 across the 10 of their papers we have counts for
5 papers · 1 filter
Attack of the Clones: Measuring the Maintainability, Originality and Security of Bitcoin 'Forks' in the Wild
Jusop Choi, Wonseok Choi, William Aiken +5
Since Bitcoin appeared in 2009, over 6,000 different cryptocurrency projects have followed. The cryptocurrency world may be the only technology where a massive number of competitor…
An Eye for an Eye: Economics of Retaliation in Mining Pools
Yujin Kwon, Hyoungshick Kim, Yung Yi +1
Currently, miners typically join mining pools to solve cryptographic puzzles together, and mining pools are in high competition. This has led to the development of several attack s…
Impossibility of Full Decentralization in Permissionless Blockchains
Yujin Kwon, Jian Liu, Minjeong Kim +2
Bitcoin uses blockchain technology and proof-of-work (PoW) mechanism where nodes spend computing resources and earn rewards in return for spending these resources. This incentive s…
Bitcoin vs. Bitcoin Cash: Coexistence or Downfall of Bitcoin Cash?
Yujin Kwon, Hyoungshick Kim, Jinwoo Shin +1
In Aug. 2017, Bitcoin was split into the original Bitcoin (BTC) and Bitcoin Cash (BCH). Since then, miners have had a choice between BTC and BCH mining because they have compatible…
Be Selfish and Avoid Dilemmas: Fork After Withholding (FAW) Attacks on Bitcoin
Yujin Kwon, Dohyun Kim, Yunmok Son +2
In the Bitcoin system, participants are rewarded for solving cryptographic puzzles. In order to receive more consistent rewards over time, some participants organize mining pools a…