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Orco cloud chain: Rethinking the security of the Internet of things with blockchain is a challenging way forward

Time : 03/07/2022 Author : awc8h9 Click : + -
        Blockchain technology undoubtedly bears the brunt. When directly embedded, the blockchain's distributed trust architecture can achieve secure end-to-end data transmission for asset tracking, connected medical devices, etc. With the growth of the number of IOT devices, the opportunities for security vulnerabilities are also increasing. Because if there is no built-in data authentication method, the connected device is vulnerable to the risks of hijacking, man in the middle attack, spoofing or data leakage. FDA has warned that Medtronic implantable heart devices are vulnerable to cyber security attacks because they do not use encryption, authentication or authorized security technologies on the device. In mission critical instances like this, security flaws in the Internet of things can lead to life-threatening vulnerabilities.
        It can be seen that security issues have hindered consumers, OEMs and manufacturers from adopting IOT devices, slowing down the growth and opportunities of connected devices. Blockchain is a viable option to prevent these attacks and improve end-to-end security. By using on chain technologies such as hash and consensus algorithms, blockchain legitimizes the data collected and transmitted between devices to ensure that it is not damaged. This verification process is an important development, because the global IOT security expenditure is expected to climb to $3.1 billion by 2021. In addition, blockchain distributes trust among multiple devices, making it easier for devices to communicate with each other. In essence, this distributed architecture relies on a tamper proof ledger that stores the transaction source of the device.
        When accessing data securely, this record can unlock a lot of information, including the source and ownership of the data. When applied to asset tracking, blockchain ledgers can improve the visibility of the supply chain by recording the location of products from the point of manufacture to the point of use. For example, Wal Mart improves its food safety strategy by developing a blockchain solution in cooperation with IBM, which can track and locate products in the event of pollution or recall. However, the ledger has traditionally been stored and calculated by thousands of computers around the world. Implementing this technology on low-power IOT devices opens the door to a series of new challenges. The Internet of things network can have millions of devices that generate thousands of transactions per second, so running blockchain on terminal devices requires sufficient computing power and storage space to process these transactions with minimal delay.
        Configuring this computing power as a cost-effective Internet of things device with limited space and resources is an obstacle, because computing and storing a large distributed ledger requires a lot of capacity and space. In order to meet these challenges, companies such as Skynet and filment have begun to develop special chips that are optimized to run blockchains on battery powered IOT devices. These chips are one of the key components required to build a hardware architecture for IOT devices using embedded blockchain technology. Other elements include encryption accelerators and security processors that run encryption and provide tamper proof storage.
        In general, the hardware architecture of IOT devices with blockchain is similar to existing blockchain hardware wallets. Before developers use blockchain for IOT applications, they should consider the trade-off between scale and security. Although blockchain cryptography provides valuable security advantages, it has expensive space and computing requirements, making it an impossible choice for cheap or low-power applications. Developers should also choose a hardware architecture that saves space by balancing costs with the functionality required for that particular application. When these tradeoffs are properly evaluated, blockchain may improve the security of IOT in products and industries from smart home to smart farm.
        Think about how Telstra uses blockchain to protect IOT devices that contain personal information through facial and fingerprint recognition. Or how Pavo can integrate blockchains on farm oriented IOT devices to monitor crop performance to improve agricultural efficiency. By using the distributed trust architecture, blockchain can establish a security framework on smaller low-power devices. With the potential to become the foundation of Web3.0, blockchain can eliminate hacker attacks between IOT devices (including life critical medical devices), and make IOT more useful and common than ever before.
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