How might blockchain-enabled IoT work in practice?

Pascal Geenens from Radware shares his views on the challenges and possibilities of using blockchain in IoT

This is a contributed piece by Pascal Geenens, EMEA security evangelist at Radware


Blockchain is expected to be instrumental in digital transformation in the coming years, especially in the field of IoT. But there are technical hurdles to overcome largely because most IoT devices lack the adequate computing power to participate in blockchains directly. That said, as with most IoT initiatives, a small thing like power isn’t going to stop the world from trying. 

You just have to look at the importance of cryptocurrencies, which rely on blockchain to operate, to see the potential. Cryptocurrencies, which allow people to move money in the same way they move information on the internet, are being traded in huge sums. There are currently more than 900 different cryptocurrencies being traded and the most popular, the Bitcoin (BTC), has a market cap of over $40 billion with daily volumes averaging $1 billion and peaking at around $2 billion. 

Besides providing real opportunities for cyber criminals and clever, high risk, traders, our interest in cryptocurrencies has proven that blockchain is a viable technology to exponentially grow the IoT ecosystem. At the moment though, technologists are grappling with exactly how it will do this. 

The future of IoT is decentralised

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