Alex Biryukov

Equihash: Asymmetric Proof-of-Work Based on the Generalized Birthday Problem

2017 · Ledger

Proof-of-work is a central concept in modern cryptocurrencies and denial-ofservice protection tools, but the requirement for fast verification so far has made it an easy prey for GPU-, ASIC-, and botnet-equipped users. The attempts to …

Privacy and Linkability of Mining in Zcash

2019

With the growth in popularity for cryptocurrencies the need for privacy preserving blockchains is growing as well. Zcash is such a blockchain, providing transaction privacy through zero-knowledge proofs. In this paper we analyze transaction linkability …