In this series, we analyze papers on blockchain and interoperability. This edition covers a paper on a paper that formalizes the post-merge Ethereum protocol. ➡️ Title: Ethereum Proof-of-Stake under Scrutiny ➡️ Authors: Ulysse Pavlof, Yackolley Amoussou-Guenou, Sara Tucci-Piergiovanni ➡️ Paper source: https://hal.uca.fr/hal-03906880/document ➡️ Background: Quoting from the paper: The main…

The current crypto-winter has brought me to the keyboard, to reflect upon my work in the field of blockchain, where a few years feel like a long long time by now. I look at the available technology now and, comparing to 2017, there are already some things we take for…

In this series, we analyze papers on blockchain and interoperability. This edition covers a paper on a paper that proposes anonymity mechanisms for private blockchains. ➡️ Title: Generic Privacy Preserving Private Permissioned Blockchains ➡️ Authors: Frédéric A Hayek, Mirko Koscina, Pascal Lafourcade, Charles Olivier-Anclin ➡️ Paper source: https://hal.uca.fr/hal-03906880/document ➡️ Background: …

In this series, we analyze papers on blockchain and interoperability. This edition covers a paper on a blockchain interoperability use case. ➡️ Title: SmartSync: Cross-Blockchain Smart Contract Interaction and Synchronization ➡️ Authors: Martin Westerkamp, Axel Kupper ➡️ Paper source: https://ieeexplore.ieee.org/document/9805524/ (ICBC best paper award!!) ➡️ Background: Background on blockchain interoperability…

In this series, we analyze papers on blockchain and interoperability. This edition covers a paper that surveys cross-chain bridge hacks. ➡️ Title: SoK: Not Quite Water Under the Bridge: Review of Cross-Chain Bridge Hacks ➡️ Authors: Sung-Shine Lee, Alexandr Murashkin, Martin Derka, Jan Gorzny ➡️ Paper source: https://arxiv.org/abs/2210.16209 ➡️ Background: …

In this series, we analyze papers on blockchain and interoperability. This edition covers a cornerstone paper on blockchain interoperability. ➡️ Title: SoK: Communication Across Distributed Ledgers ➡️ Authors: Alexei Zamyatin, Mustafa Al-Bassam, Dionysis Zindros, Eleftherios Kokoris-Kogias, Pedro Moreno-Sanchez, and Aggelos Kiayias ➡️ Paper source: https://arxiv.org/abs/2208.07119 ➡️ Background: Dozens of works…

In this series, we analyze papers on blockchain and interoperability. This edition covers a recent paper on a zero-knowledge-based cross-chain bridge. ➡️ Title: zkBridge: Trustless Cross-chain Bridges Made Practical ➡️ Authors: Tiancheng Xie, Jiaheng Zhang, Zerui Cheng, Fan Zhang, Yupeng Zhang, Yongzheng Jia, Dan Boneh, Dawn Song ➡️ Paper source…

In this series, we analyze papers on blockchain and interoperability (and both). This edition covers a paper on decentralized finance security. ➡️ Title: SoK: Decentralized Finance (DeFi) Incidents ➡️ Authors: Liyi Zhou, Xihan Xiong, Jens Ernstberger, Stefanos Chaliasos, Zhipeng Wang, Ye Wang, Kaihua Qin, Roger Wattenhofer, Dawn Song, Arthur Gervais …

In this series, we analyze papers on blockchain and interoperability (and both). This edition covers a recent paper on cross-chain security. ➡️ Title: Xscope: Hunting for Cross-Chain Bridge Attacks ➡️ Authors: Jiashuo Zhang, Jianbo Gao, Yue Li, Ziming Chen, Zhi Guan, Zhong Chen ➡️ Paper source: https://arxiv.org/abs/2208.07119 ➡️ Contributions: The…