111 citations · 324 across the 21 of their papers we have counts for
3 papers · 1 filter
BDoS: Blockchain Denial of Service
Michael Mirkin, Yan Ji, Jonathan Pang +3
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 r…
Tuning PoW with Hybrid Expenditure
Itay Tsabary, Alexander Spiegelman, Ittay Eyal
Proof of Work (PoW) is a Sybil-deterrence security mechanism. It introduces an external cost to a system by requiring computational effort to perform actions. However, since its in…
Ostraka: Secure Blockchain Scaling by Node Sharding
Alex Manuskin, Michael Mirkin, Ittay Eyal
Cryptocurrencies, implemented with blockchain protocols, promise to become a global payment system if they can overcome performance limitations. Rapidly advancing architectures imp…