On Security Analysis of Proof-of-Elapsed-Time (PoET)

By Lin Chen, Lei Xu, Nolan Shah, Zhimin Gao, Yang Lu, Weidong Larry Shi. Safety-critical Systems Symposium, 2017

315 citations recorded by the source corpus.

Subfields: Artificial Intelligence, Information Systems

View Paper: https://www.semanticscholar.org/paper/60c01f8700f063990da7a0d84adaa7a2d120c7b5

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Citations in the corpus

On-Device Federated Learning via Blockchain and its Latency Analysis (2018, background): “with its corresponding computation time T (`) local,i that is assumed to be truthful, following the proof of elapsed time [13] under e.”
A Survey on Blockchain Technology: Evolution, Architecture and Security (2021, background): “Since it relies on specialized hardware, it is the main drawback of utilizing this consensus mechanism [90], [91].”
A Survey on Consensus Mechanisms and Mining Strategy Management in Blockchain Networks (2018, methodology): “luck/elapsed-time/ownership [73], [144], or are still under the framework of PoW, e.”
A Comprehensive Review of Blockchain Consensus Mechanisms (2021, background): “PoET reaches consensus by the random election of block leaders where the winning odds are spread out evenly throughout the network, and each node holds the same chance of becoming the winner [84].”
Blockchain for Future Smart Grid: A Comprehensive Survey (2019, methodology): “Proof-of-Elapsed Time (PoET): The PoET [51] is designed by Intel for permissioned blockchain applications in order to address the challenges of expensive investment of energy in PoW.”
Security and Privacy on Blockchain (2019, methodology): “A recent study shows the security vulnerabilities of the blockchain protocol implemented on Intel’s SGX platform [28].”
Blockchain's adoption in IoT: The challenges, and a way forward (2019, background): “PoET 765 is also proved to be vulnerable to node compromise [126].”
Blockchain for AI: Review and Open Research Challenges (2019, methodology): “A PoET protocol works by associating a random timer with each node on the network and the node with minimum expiry is selected as the leader [95].”
Towards Scaling Blockchain Systems via Sharding (2018, background): “ oracle [30], d is a random seed. localMean is used to adapt waitTime’s deviation to the network size, i.e., larger network size leads to larger deviation and therefore lower probability of collision [17]. We note that both Bitcoin and Ethereum have similar self-adjusting mechanisms that adjust PoW ”