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Emin Gun Sirer

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Blockchain’s Weak Spots Pose a Hidden Danger to Users

Will Knight | MIT Technology Review | April 18, 2017

Technologists, entrepreneurs, and some big companies are busy dreaming up new ways of using the core of Bitcoin—a distributed cryptographic ledger, or blockchain—to reinvent everything from business contracts and health records to carbon credits and new trading platforms (see “Why Bitcoin Could Be Much More Than a Currency”). However, one expert warns that they may be building their dreams on top of a precarious foundation. Emin Gün Sirer, an associate professor at Cornell University, has been researching ways in which Bitcoin and blockchains can fail...

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Chain Releases Open-Source Version of Chain Core Technology Powering Visa’s New B2B Connect

Giulio Prisco | Bitcoin Magazine | October 25, 2016

On October 21, 2016, Visa announced a new partnership with blockchain enterprise company Chain that will develop “a simple, fast and secure way to process B2B payments globally.” Dubbed Visa B2B Connect, the system will offer participating pilot financial institutions a consistent process for managing settlement through Visa’s standard practices...

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