Exchanges


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Bitcoin Wallet Blockchain Adds Ex-Barclays Chief to Board

Bitcoin wallet startup Blockchain has added former Barclays Bank group chief executive Antony Jenkins to its board of directors.

jenkins

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Why Circle's Bitcoin 'Pivot' Isn't What it Seems

Circle’s announcement this week that it will no longer offer users the ability to buy and sell bitcoin is not what it seems.

shadow-puppet

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A16z, USV Invest $10 Million in Blockchain Token Trading Firm

A hedge fund that specializes in the trading of blockchain-based assets has raised $10m from a notable cast of VCs.

Andreessen Horowitz co-founder and General Partner Marc Andreessen (Fortune Live Media via Flickr)

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Inside 'Spark': Circle's New Bitcoin-Powered Smart Contract Platform

Overshadowed by its decision to cut bitcoin services, Circle announced new tech yesterday. Here's how it works.

sparks

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What the Blockchain Industry is Saying About Circle's Bitcoin Shift

Industry observers, startup execs and researchers weigh in on Circle's shift away from its bitcoin exchange service.

screen-shot-2016-12-07-at-5-15-49-pm

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Is Your Blockchain Token a Security? Coinbase Leads Legal Framework Launch

Coinbase, Coin Center and Union Square Ventures have released new research into the distributed application business model.

books, law

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Circle Cuts Bitcoin Buying and Selling in Product Pivot

Circle Internet Financial has announced it will no longer allow customers to buy and sell bitcoin.

scissors, shears

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Coinbase Seeks Patent for Bitcoin Private Key Security System

Bitcoin and ether exchange startup Coinbase is seeking a patent for a security system for bitcoin private keys.

key

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A Judge Just Cleared the Way for the IRS to Seek Coinbase Customer Data

The IRS can serve bitcoin and ether exchange startup Coinbase with a summons for information about its users, a federal judge has ordered.

justice

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Why Aren't Bitcoin Businesses Talking About SegWit?

Despite the size of the change, bitcoin businesses have yet to champion a newly introduced protocol upgrade.

tape, silence