PROJECT TITLE :

LiteZKP: Lightening Zero-Knowledge Proof-Based Blockchains for IoT and Edge Platforms

ABSTRACT:

This article introduces LiteZKP, a framework for supporting multiple anonymous payments on resource-limited devices by utilizing a smart contract-based zero-knowledge proof (ZKP) protocol. To be more specific, in order to address challenges associated with minimizing the computational overhead and offering a fully anonymous system, LiteZKP includes novel schemes such as a new merkle tree mechanism to reduce the burden of ZKP operations. Additionally, it integrates smart contract-based ZKP with an off-chain payment channel in order to reduce the amount of ZKP operations that are performed when continuously exchanging data. We present evaluation results of LiteZKP from both PC-scale and resource-limited client devices. Our results suggest that LiteZKP reduces the latency and energy consumption by more than 55% on Internet of Things (IoT)/mobile edge computing platforms, while requiring only 8% of block processing fee compared to a naive ZKP-based scheme. This is accomplished while requiring only 8% of the total block processing fee.