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cs.CR2022
Modeling Resources in Permissionless Longest-chain Total-order Broadcast
Sarah Azouvi, Christian Cachin, Duc V. Le +2
Blockchain protocols implement total-order broadcast in a permissionless setting, where processes can freely join and leave. In such a setting, to safeguard against Sybil attacks,…
cs.CR2021
Generalizing Weighted Trees: A Bridge from Bitcoin to GHOST
Ignacio Amores-Sesar, Christian Cachin, Anna Parker
Despite the tremendous interest in cryptocurrencies like Bitcoin and Ethereum today, many aspects of the underlying consensus protocols are poorly understood. Therefore, the search…