LDAGB: A Lightweight DAG-based Blockchain

2023 3rd International Conference on Consumer Electronics and Computer Engineering (ICCECE) Pub Date : 2023-01-06 DOI:10.1109/ICCECE58074.2023.10135476

Pengliu Tan, Shikun Wang, Ye Zhou

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Abstract

To solve the problems of low query efficiency and high storage redundancy of traditional blockchain technology, a lightweight DAG-based blockchain (LDAGB) architecture is proposed. The block of the LDAGB architecture is called a unit, which stores a transaction, the wallet addresses of the sender and receiver of the transaction, and two parent unit hashes. When a new unit is generated, one parent unit hash value in the unit points to the current latest unit of the transaction sender (wallet address), and the other parent unit hash value points to the current latest unit of the transaction receiver (wallet address). Based on the concept of light wallets, each lightweight node stores only its own units, avoiding huge storage costs caused by data growth. In addition, a lightweight PoW consensus mechanism is used to reduce the computing cost of unit packaging, and a voting mechanism is used to avoid the possible fork of LDAGB. The experimental results show that LDAGB can significantly improve the efficiency of transaction query and verification and reduce the storage cost, compared with the traditional blockchain architecture.

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LDAGB:一个轻量级的基于dag的区块链

针对传统区块链技术查询效率低、存储冗余度高的问题，提出了一种基于dag的轻量级区块链(LDAGB)架构。LDAGB体系结构的块称为单元，它存储交易、交易发送方和接收方的钱包地址以及两个父单元哈希值。当一个新单位生成时，该单位中的一个父单位哈希值指向交易发送方当前最新的单位(钱包地址)，另一个父单位哈希值指向交易接收方当前最新的单位(钱包地址)。基于轻钱包的概念，每个轻量级节点只存储自己的单元，避免了数据增长带来的巨大存储成本。此外，采用轻量级PoW共识机制来降低单位封装的计算成本，并采用投票机制来避免LDAGB可能出现的分叉。实验结果表明，与传统的区块链架构相比，LDAGB可以显著提高交易查询和验证的效率，降低存储成本。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2023 3rd International Conference on Consumer Electronics and Computer Engineering (ICCECE)

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