According to the latest estimates, we generate around 2.5 quintillion bytes of data every day. That’s 2.5 followed by 17 zeros — or rather 2.5 trillion million — a number that’s impossible to visualize intuitively, but nonetheless has massive implications for our privacy online, our security and our ability to keep our digital identities within our own personal control.
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Blockchains and cryptocurrencies are still young. The ones in actual operation still have a range of teething problems and weaknesses, while they also lack the widespread adoption that would forcibly accelerate their development and provide an expanded testing ground for new technical solutions.