Uncle Maker: (Time)Stamping Out The Competition in Ethereum

ePrint Report: Uncle Maker: (Time)Stamping Out The Competition in Ethereum

Aviv Yaish, Gilad Stern, Aviv Zohar

We present an attack on Ethereum's consensus mechanism which can be used by miners to obtain consistently higher mining rewards compared to the honest protocol. This attack is novel in that it does not entail withholding blocks or any behavior which has a non-zero probability of earning less than mining honestly, in contrast with the existing literature.

This risk-less attack relies instead on manipulating …

competition eprint report ethereum