2015

Bitcoin mining has always attracted ambitious entrepreneurs and questionable operators in equal measure. Few companies in the space have managed to disappoint customers quite like Butterfly Labs, a co

Ledger closed a €1.3 million seed funding round led by XAnge Capital. The hardware wallet company's raise marks one of the few major venture investments in physical Bitcoin storage devices. Hardware

The mobile Bitcoin wallet landscape remains fiercely contested, with countless applications vying for users' attention in an increasingly crowded marketplace. Given that most smartphone owners carry j

Kipcoin, a Chinese Bitcoin exchange overshadowed by competitors like Huobi and OKcoin, has shut down operations after losing more than 3,000 bitcoins in a hack. The exchange posted the announcement on

Five cryptocurrency exchanges are grappling with security breaches or operational failures. Bter, HitBTC, and Exco.in have acknowledged hacks or halted customer withdrawals. CCDEK and ShapeShift.io ar

A Paycoin address slated for testing and marked for destruction has instead been quietly transferring funds to trading platforms, raising questions about the cryptocurrency's management and supply int

Cointerra, a Bitcoin mining hardware manufacturer in Texas, filed for Chapter 7 bankruptcy on January 24 after accumulating debts between $10 million and $50 million. C7 Data Centers sued the company

New York is building a regulatory framework for bitcoin companies, and a new exchange backed by the Winklevoss twins wants to sit at the center of this push. Gemini launches as a fully regulated bitco

Bitcoin earned formal programming at SXSW 2015, with at least four confirmed conference sessions, representing a marked shift from 2014 when mentions were limited to hallway conversations and informal parties.

Zeushash, the cloud mining service operated by Chinese hardware manufacturer Zeusminer, negotiated new terms with suppliers that save the operation from shutdown. Bitcoin's price collapse reduced dail

Bitcoin security remains a problem, but the solutions are arriving. Bitstamp's recent hot wallet theft shows that even experienced operators struggle to protect their funds. The good news: multisig ad

ChangeTip, a service for sending bitcoin tips, launched on Facebook this week. The platform now lets the social network's billions of members transfer bitcoins to each other in tiny amounts, a capabil

On January 14, 2015, Matt O'Brien published a column in the Washington Post's Wonkblog attacking Bitcoin as a Ponzi scheme. O'Brien argued that venture capitalists pouring millions into the protocol w

Bitcoin mining had quite a year in 2014. The industry faced a serious centralization scare when Ghash.io threatened a 51% attack on the network at the start of 2014. Near the year's end, mining diffic

SendChat, a messaging application, will debut cryptocurrency support in coming weeks. The service lets users send and receive Bitcoin, Sendcoin, Dogecoin, and Darkcoin, exchange cryptocurrencies for f

Cash dominates payments across Europe. In most of the EU, consumers pull out bills and coins at checkout, and store owners welcome the practice because banks charge them steep fees to process cards. A

A leading Bitcoin marketplace Bitstamp reopened for trading on Friday night, concluding a four-day closure stemming from an intrusion into the platform's online storage systems that resulted in the lo

Bitstamp's wallet breach in January cost its customers nearly 19,000 bitcoins and likely sparked the sharp price decline that followed. Investigators from both the company and law enforcement are stil

Bitcoin's price swings have become legendary since the asset first entered markets in 2010 at fractions of a penny. Fast forward to today and those wild price movements persist, creating real headache

BTCJam, a peer-to-peer Bitcoin lending platform, moved into developing nations throughout 2014 by striking deals with local cryptocurrency exchanges. The company targeted Brazil, Mexico, the Philippin

California's legislature cleared the way for bitcoin to function as a payment method for goods and services starting January 1st. The state had operated under Section 107 of the Corporations Code, a p