STUDY OF THE SPEED OF THE MESSAGE TRANSMISSION METHOD USING OFF-CHAIN DATA PROCESSING TO ENSURE DATA INTEGRITY AND IMMUTABILITY

DOI: 10.31673/2409-7292.2025.032280

Abstract

The article is devoted to an empirical study of a message transfer method that uses IPFS as a transit point for data transfer,
blockchain and smart contract as a container for evidence of integrity and immutability, and a transmission channel based on
the WebSocket protocol, which is used to support a communication channel between the parties to the message exchange in
which they exchange not the data themselves, but links to the data. This approach is due to the fact that the use of blockchain
technology alone for message exchange is impractical due to a number of limitations, so such a context requires finding ways
to eliminate these limitations. The mentioned system is developed based on smart contracts that are executed in the Ethereum
test network, the use of the Pinata service for access to IPFS and a local WebSocket server. In addition to the development of
the system itself, the article develops a method for confirming the integrity and immutability of data through the use of data
identifiers generated by IPFS and their processing in the blockchain using a smart contract. Based on the developed method, an
algorithm for transmitting and confirming the integrity and immutability of data is formed. Using the developed and deployed
blockchain node and WebSocket server in the local network and communication with IPFS via Pinata API, a study of the
system's performance was conducted by measuring message propagation delays on the system nodes and the total propagation
time, as well as optimizing the algorithm to speed up the system. One of the positive results is the successful empirical
confirmation of the possibility of using such an approach. An analysis of the weaknesses and strengths of the method was also
conducted, a conclusion was formulated on the possibility of using the proposed method in messaging systems, and directions
for further research were indicated.
Keywords: blockchain, IPFS, WebSocket, decentralization, integrity, immutability, smart contract, Ethereum.

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