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Bitcoin News Archive

Blockstream unveils a service that broadcasts real-time Bitcoin blockchain data from space to almost everyone on the planet..
The price of a single Bitcoin hit an all-time high this week, dragging up the value of hundreds of newer, smaller digital rivals in its wake..
The technology, which first emerged as the system underpinning cryptocurrency Bitcoin, is a shared public record of data that is maintained by a network of computers on the Internet. This means every user on a network could potentially have access to all information.
The underlying Bitcoin software code split yesterday, but new virtual currency "Bitcoin Cash" received lacklustre support for its network..
The digital currency's underlying code could be split to create a clone called "Bitcoin Cash", potentially providing a windfall for holders..
During an ICO, contributors typically send digital currencies like Bitcoin and receive new tokens in return. Those tokens are then listed on cryptocurrency exchanges where they can be traded for other types of tokens.
US officials described Vinnik in a Justice Department statement as the operator of BTC-e, an exchange used to trade the digital currency Bitcoin since 2011..
The Bitcoin options exchange is granted the first licence to clear and settle derivative contracts for digital currencies..
Blockchain, a public online ledger of transactions, gained prominence as a technology that underpinned the first digital currency, Bitcoin..

Two major criminal Dark Web markets seized

21 Jul 2017 Security
By Lauren Kate Rawlins

AlphaBay and Hansa were known ‘underground' Web sites that sold illegal drugs, stolen identification documents, counterfeit goods, malware, firearms and toxic chemicals. Users accessed the sites via ‘anonymising' software Tor and purchased goods using anonymous currencies such as Bitcoin.
"There is some instability due to a hearing in Japan regarding a Bitcoin exchange that was shut down due to suspected embezzlement. However, this does not take away from the potential of what cryptocurrency, and essentially the blockchain, can mean to transacting worldwide," says Springhorn.
* The basics of cryptocurrencies and blockchain technology;  * The different types of blockchains such as Ethereum, Bitcoin and Ripple; * How distributed ledger technology is being used by companies such as R3CEV and how it differs from traditional blockchain technology; and * How financial institutions can use blockchain technology to innovate and leverage its key characteristics of security, immutability, transparency, speed, cost-effectiveness and efficiency across many use-cases varying from trade finance, capital markets, settlements and clearing, payments, correspondent banking, and many more..
According to Kolochenko, on the one hand this case shows there is no safe harbour for cyber crime marketplaces operating globally. "Users erroneously believe that Bitcoin or Tor can assure their anonymity, but this assumption is wrong.
Ekasi Bucks was launched in 2016 by 26-year-old Mabopane, Tshwane-based co-founders, Lucky Kgwadi and Edgar Lebelo. Based on public ledger platform Bitcoin, the payment start-up is a service provider for township-based merchants, offering cryptocurrency services which include point of sale, inventory management, remote stocking and customer loyalty programmes.
The 32-year-old chief executive of defunct Mt. Gox today pleaded not guilty to charges relating to the loss of hundreds of millions of dollars' worth of Bitcoins and cash from what was once the world's biggest Bitcoin exchange.
Technology news site Motherboard reported on Wednesday that people claiming to be behind the attack had posted a message online offering to unlock all encrypted files for a Bitcoin payment of $256 000. Reuters was unable to confirm the report.
The ransom payment sought was not significant either – a simple USD 300 in Bitcoin (approximately ZAR 4 000). Given the consequences of being locked out from your data for a significant period of time, or the potential of losing the data forever, it was no surprise why so many victims chose to pay the ransom, a practical human response that the attackers no doubt relied upon.

NotPetya may not be ransomware either

29 Jun 2017 Security
By Lauren Kate Rawlins

The virus that shut down hundreds of thousands of computers globally yesterday may have a more nefarious agenda than collecting Bitcoin..
GoldenEye is expected to have hit around , mostly in the Ukraine, Russia and Poland. The strain of ransomware, similarly to WannaCry, demands a Bitcoin payment equivalent to $300 for files to be returned safely.

Hackers again prove their global power

28 Jun 2017 Security
By Lauren Kate Rawlins

The virus seizes control of a user's computer and encrypts all data until a ransom is paid to the cyber criminal in the form of Bitcoin. The current asking price is $300 per machine infected.

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