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cs.CR2023
"Zero Cost'' Majority Attacks on Permissionless Blockchains
Joshua S. Gans, Hanna Halaburda
The core premise of permissionless blockchains is their reliable and secure operation without the need to trust any individual agent. At the heart of blockchain consensus mechanism…
cs.CR2019
More (or Less) Economic Limits of the Blockchain
Neil Gandal, Joshua S. Gans
This paper extends the blockchain sustainability framework of Budish (2018) to consider proof of stake (in addition to proof of work) consensus mechanisms and permissioned (where t…