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Spam and the Byzantine Empire: How Bitcoin tech REALLY works

Why does Bitcoin work? Fraudsters should have left it in cinders years ago, and might have done, if it wasn?t for two things: spam and the Byzantine Empire.

A Bitcoin is basically an entry in a ledger that is distributed across a network of computers. Bitcoins are transferred between parties by noting the transaction in the ledger. This might sound just like any other banking system except there?s a crucial difference: no one is in charge of the ledger.


Samsung Galaxy S4 is more popular than Galaxy S3

Samsung Galaxy S4 is more popular than Galaxy S3

Samsung has confirmed that it’s managed to shift over 10 million of its latest flagship smartphone, the Samsung Galaxy S4, in less than a month.

Concerns were raised when the Galaxy S4 was launched last month, as it was seen as an incremental upgrade on the Galaxy S3 rather than a completely new offering.

It looks like Samsung has managed to put those fears to bed though, as it’s announced a new sales record, with four Galaxy S4s being sold every second.

The Galaxy S4 has seemingly cruised to the title of Samsung’s fastest selling smartphone, with the Galaxy S3 taking 50 days last year to hit the same milestone, while the excellent Samsung Galaxy S2 (remember that?) took a massive five months to hit 10 million sales.

The colour of money

If the Galaxy S4 hasn’t taken your fancy just yet then Samsung may have just the thing for you, as it’s also announced four new colour options.

Coming this summer you’ll be able to get your mitts on the Blue Arctic and Red Aurora versions of the handset alongside the black and white options which are already available.

And if that wasn’t enough these will be joined by Purple Mirage and Brown Autumn later this year – what more could you want?

This news now places some pressure on HTC, as its highly rated HTC One flagship device may be winning the plaudits, but its sales figures are still a mystery.

Updated: Samsung Galaxy Note 3 release date, news and rumours

Updated: Samsung Galaxy Note 3 release date, news and rumours

With the Samsung Galaxy S4 now out of the way the door has been thrown open for the Korean firm’s other high-end smartphone to get a reboot in the form of the Samsung Galaxy Note 3.

Rumours are circulating about Samsung’s next super-sized handset, suggesting it’s going to get even bigger – even though the Samsung Galaxy Note 2 raised eyebrows with its larger size.

Update: Samsung executive J.K. Shin has confirmed the existence of the Galaxy Note 3, revealing it will feature a non-flexible 5.9-inch OLED display.

We’re constantly on the look out for Galaxy Note 3 news and you’ll be able to find all the latest right here. You lucky things.

Announcement and release date

In terms of a Samsung Galaxy Note 3 release date the trail is pretty cold at the moment with “later this year” all we have to go on for now.

If previous iterations of the handset are anything to go by we can expect Samsung to uncover the third generation Galaxy Note smartphone towards the end of August, in the run up to IFA 2013 in Berlin.

Update: Samsung executive J.K. Shin has said the Note 3 will arrive at IFA in September, although we’re still waiting on an official comment from Samsung itself.

This would mean that the Galaxy Note 3 would probably hit stores around October if previous cycles are maintained – but given the Samsung Galaxy S4 emerged earlier this year, could the same trick be repeated for the Note 3?

More than a pretty penny in price

You can expect the Samsung Galaxy Note 3 to carry a hefty price tag, probably in line with the Galaxy S4 – making it more expensive than its Chinese rivals the ZTE Grand Memo and the Huawei Ascend Mate.

The Note 3 will probably set you back at least

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