Decentralized Storage System

Ontact Protocol consists its IoT system of two media, server and device, and uses IPFS (Inter Planetary File System), a decentralized distributed storage system, and Ethereum network to store data (certification, keys) required in the authentication process. Combined to manage and present data.

The data of the CA (Certificate Authority) and the server are distributed and stored in IPFS, and the contract address (Content-Address) of the data stored in IPFS is stored or provided in the Ethereum network using a smart contract. Preventing the problem of loss by decentralizing the data required for authentication, and only authorized devices can access the blockchain network, preventing data leakage, thereby providing the integrity and security of data generated in IoT.

• Decentralized network and distributed storage system:

The protocol provides networks and storage through decentralized systems such as blockchain and IPFS (Interplanetary File System). The immutability of blockchain is one of the most important components. Immutability means that data on the blockchain is recorded across the board, and once stored data can never be changed or manipulated. Network participants trust the immutability of the blockchain where the network cannot be manipulated by a specific centralized company or organization, and all participants take part in the system according to the same rules according to the open smart contract rather than the arbitrary decision of a specific decision-maker. In addition, data is distributed and stored in the IPFS system rather than the server of a specific centralized company or organization, thereby preventing data loss and reducing the centralization dependence of individual data.

• Device self-calculation system:

The existing IoT system is a cloud computing-based system, and the data collected from the device is mostly moved to a centralized cloud server and stored and managed by a specific company or organization that provides the corresponding cloud service. However, in the Ontact Protocol, the device processes and distributes, and stores underlying data by itself through a high-rate module. The device performs primary data processing to prevent overload of a specific server and effectively responds to threats such as data loss and hacking through data distribution.