News tagged with blockchain

Towards sustainable blockchains

As blockchains become ever more popular and widespread, a growing concern is their sustainability. Current designs, most notably the blockchain underlying the Bitcoin cryptocurrency, are secured using so-called "proofs of ...

dateMay 04, 2018 in Internet
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Bitcoin more vulnerable to attack than expected

Calculations by University of Twente researchers show that Bitcoin is more vulnerable to attack than people had always assumed. If some Bitcoin users were to form a group that controls 20 percent of the currency's computing ...

dateApr 23, 2018 in Internet
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