blockchain enabled iot data logger

Monika M,Divya TG,Anitha E,Uma Mageshwari A

Published in International Journal of Advanced Research in Computer Science Engineering and Information Technology

ISSN: 2321-3337          Impact Factor:1.521         Volume:6         Issue:3         Year: 13 April,2026         Pages:2120-2132

International Journal of Advanced Research in Computer Science Engineering and Information Technology

Abstract

Data logging systems are widely used in industries and IOT applications to collect and store sensor data. However, traditional data logging systems store information in centralized databases which may lead to data tampering, security issues, and lack of transparency. To overcome these problems, this project proposes a Block chain Enabled IOT Data Logger. The system collects real time sensor data using IOT devices connected to an ESP32 micro-controller.The collected data is securely transmitted and stored using Block-chain technology to ensure data integrity and immutability. Block-chain helps in preventing unauthorized modifications and provides a secure decentralized data storage mechanism. This system can be used in industrial industries, agriculture, healthcare, and environmental monitoring.However, traditional data logging systems store data in centralized servers which may lead to security vulnerabilities. Unauthorized users may modify or delete important data, leading to loss of reliability and trust.Block chain technology provides decentralized and secure way of storing information. Once data is stored in block-chain, it cannot be altered or deleted. By integrating IoT devices with block-chain, the collected sensor data can be securely stored and verified.This project proposes a Block-chain Enabled IOT Data Logger that collects real-time data using IOT sensors and stores it securely in block-chain to ensure transparency, security, and data integrity. monitoring, environmental monitoring, and smart city applications where secure and reliable data logging is required.

Kewords

Blockchain, IoT, Data Logger, ESP32, Sensor Data, Security

Reference

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