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• Originally devised for use in finance, blockchains could potentially be put to work in multiple applications. But their development for new uses has been hampered by problems of scale. Now a technique known as rollups could soon enable blockchains to play a key role in the Internet of Things and online marketplaces.
• This technique allows for the delocalisation of data and applications to make blockchain technology much lighter, paving the way for faster, more powerful, and more secure transactions.
• This method can also be used to process data from Internet of Things devices that are integrated into a blockchain.