joseph rosenfeld

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A coding error led to $30 million in ethereum being stolen

The perils of a blockchain’s immutable transactions was brought home yesterday as some $30 million in ether was stolen due to a bug in the code of a well known ethereum wallet. It could have been worse: an additional $75 million was at risk because of the same coding fault, but a group of vigilante …

Bitcoin swings as civil war looms

<b>The value of the virtual currency Bitcoin has always been volatile.</b><p>Even so, there has been particular turbulence in recent days as fears of a "civil war" among its adherents first grew and then subsided, although they have not gone away altogether.<p>On Sunday, the value of one bitcoin dropped to …

Coin Not Support User-activated Hard Fork Blockchain Bitcoin

<b>The Bitcoin scaling debate has taken yet another interesting turn. Coinbase has issued an official statement on the user-activated hard fork. More</b> …

The Enterprise Ethereum Alliance Just Got A Whole Lot Stronger

The Enterprise Ethereum Alliance (EEA) is officially the largest open-source blockchain alliance in the world thanks to the latest additions, MasterCard and Cisco.<p><b>Editor's note:</b> <i>This column has been updated to disclose the writer's advocacy of blockchain technology--the underpinning of all</i> …

Blockchain no longer held to ransom as business adoption increases

The blockchain digital ledger technology that came to prominence with bitcoin is beginning to find uses in and beyond finance, including for urban …