PUFchain: Hardware-Assisted Blockchain for Sustainable Simultaneous Device and Data Security in the Internet of Everything (IoE)
Saraju P. Mohanty, Venkata P. Yanambaka, Elias Kougianos, Deepak, Puthal

TL;DR
PUFchain is a novel blockchain architecture that integrates hardware security primitives called PUFs to enhance device and data security in IoE, offering improved scalability, reduced latency, and energy efficiency.
Contribution
This paper introduces PUFchain, the first blockchain combining hardware PUFs with a new consensus algorithm, PoP, to improve security and performance in IoE environments.
Findings
PoP is 1,000X faster than PoW.
PUFchain enhances security with hardware-based keys.
The architecture reduces latency and energy use.
Abstract
This article presents the first-ever blockchain which can simultaneously handle device and data security, which is important for the emerging Internet-of-Everything (IoE). This article presents a unique concept of blockchain that integrates hardware security primitives called Physical Unclonable Functions (PUFs) to solve scalability, latency, and energy requirement challenges and is called PUFchain. Data management and security (and privacy) of data, devices, and individuals, are some of the issues in the IoE architectures that need to be resolved. Integrating the blockchain into the IoE environment can help solve these issues and helps in the aspects of data storage and security. This article introduces a new blockchain architecture called PUFchain and introduces a new consensus algorithm called "Proof of PUF-Enabled Authentication" (PoP) for deployment in PUFchain. The proposed PoP is…
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