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Hacker selling 26M stolen user records in exchange for $5,000 worth of Bitcoin

A hacker by the name of Gnosticplayers is trying to sell more than 26 million user records on the dark web in exchange for $5,000 worth of Bitcoin (1.2431 BTC). This is the fourth data dump posted on Dream Market – an online darknet marketplace founded in late 2013 – by the hacker, who previously put up more than…

Hacker selling 26M stolen user records in exchange for $5,000 worth of Bitcoin

A hacker by the name of Gnosticplayers is trying to sell more than 26 million user records on the dark web in exchange for $5,000 worth of Bitcoin (1.2431 BTC).

This is the fourth data dump posted on Dream Market – an online darknet marketplace founded in late 2013 – by the hacker, who previously put up more than 840 million user records since mid-February.

The new data dump includes files from six new companies including Indonesian e-commerce unicorn Bukalapak, which as of last year had more than 50 million users and processed half a million transactions per day.

Other affected businesses include GameSalad, a game development platform; Estante Virtual, a Brazilian book store; Coubic, an online task manager, Notebook app LifeBear; and YouthManual, an Indonesian student career site.

Coubic told ZDNet it was looking into the breach. LifeBear said “most likely” its servers were hacked, but added it was still investigating.

Previously, Gnosticplayers had uploaded the data for 32 companies in three different dumps. Affected businesses included Dubsmash, MyFitnessPal, and Fotolog.

The hacker said the data was put up for sale because the breached companies had failed to adequately protect passwords with strong encryption algorithms.

“I got upset because I feel no one is learning,” Gnosticplayers told ZDNet. “I just felt upset at this particular moment, because seeing this lack of security in 2019 is making me angry.”

It’s certainly not the first time stolen data appears for sale on the dark web in exchange for Bitcoin, BTC and although this is just one of the cryptocurrency’s many use cases, it’s likely to contribute to its widely reported branding problem while also helping to fan the “blockchain good, Bitcoin bad” rhetoric.

Want to find out more about cryptocurrencies and blockchain technology? Check out our Hard Fork track at TNW 2019!

Published March 19, 2019 — 10:33 UTC

Yessi Bello Perez

Yessi Bello Perez

March 19, 2019 — 10:33 UTC

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Bitcoin News

Moonday Mornings: Binance to resume deposits and withdrawals after $40M Bitcoin hack

It’s time for Moonday Mornings, Hard Fork’s wrap-up of the weekend’s top cryptocurrency and blockchain headlines. Here’s what happened. 1. Binance says it will resume deposits and withdrawals on its platform on Tuesday. The cryptocurrency exchange had suspended the functions following an attack in which hackers stole over $40 million worth of Bitcoin. 2. The…

Moonday Mornings: Binance to resume deposits and withdrawals after $40M Bitcoin hack

It’s time for Moonday Mornings, Hard Fork’s wrap-up of the weekend’s top cryptocurrency and blockchain headlines.

Here’s what happened.

1. Binance says it will resume deposits and withdrawals on its platform on Tuesday. The cryptocurrency exchange had suspended the functions following an attack in which hackers stole over $40 million worth of Bitcoin.

2. The figureheads of the fake cryptocurrency scheme, OneCoin, are being sued. Brother and sister duo, Konstantin Ignatov and Ruja Ignatova are facing a class action law suit for their involvement in the scam which was “based completely on lies and deceit,” ZDNet reports.

3. A Bitcoin BTC fueled ransomware attack hit the Baltimore City government last week. Despite being cleaned of the ransomware, hackers are allegedly still accessing the infected computers, ZeroHedge reports. The Federal Bureau of Investigation is now investigating the attack.

4. The creator of the Bitcoin treasure hunt Satoshi’s Treasure is claiming nearly 60,000 people are following the global challenge, CoinDesk reports. One player has already claimed the first prize, and didn’t even have to go anywhere to claim it.

And finally.

5. William Shatner is putting William Shatners on the blockchain. The former Star Trek actor is joining Mattereum, a legaltech firm, to document the authenticity of science collectibles and memorabilia from a range of franchises on the blockchain.

That’s another weekend’s headlines for you. Live long and prosper.

Published May 13, 2019 — 07:58 UTC

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Amazon granted patent for Bitcoin-style system to fight DDoS attacks

Cryptocurrency rumor mongers are likely to be dancing today as Amazon has successfully filed a patent for a Bitcoin-styled Proof-of-Work system. But don’t get ahead of yourself, it doesn’t look like the Seattle-based ecommerce giant will be accepting Bitcoin for payments. Despite first being filed in December 2016, Amazon’s patent application was granted earlier this…

Amazon granted patent for Bitcoin-style system to fight DDoS attacks

Cryptocurrency rumor mongers are likely to be dancing today as Amazon has successfully filed a patent for a Bitcoin-styled Proof-of-Work system. But don’t get ahead of yourself, it doesn’t look like the Seattle-based ecommerce giant will be accepting Bitcoin for payments.

Despite first being filed in December 2016, Amazon’s patent application was granted earlier this week and appears to outline a system that uses Proof-of-Work to prevent distributed denial-of-service (DDoS) attacks.

“One way to mitigate against such attacks is to configure a service such that requests to the service incur some sort of expense, thereby providing a disincentive to participating in the attack,” the application reads.

Planting a Merkle Tree

Amazon proposes to use Merkle Trees to present a Proof-of-Work challenge and make it too costly for a series of computers to perform a DDoS attack.

But what’s a Merkle Tree? In short, Merkle Trees are cryptographic tools where blocks of data are manipulated to give them a unique identifier also known as a hash.

These hashes are then manipulated again to create a parent hash. Parent hashes are always a combination of two or more child hashes. It’s layers on layers of hashed data.

Since computing power is required to build a Merkle Tree, performing such hashes could get very costly in terms of time, electricity, and resources. In turn, this makes DDoS attacks economically unfeasible.

In the case of Amazon’s patent, imagine having to construct a Merkle Tree before you’re allowed to access a website hosted on one of its servers. To an individual the cost might be insignificant, but to an organization trying to carry out a DDoS attack – which might involve many hundreds of computers – it could become prohibitively expensive.

Amazon’s Merkle Tree

Merkle Trees are also used in Proof-of-Work blockchains like Bitcoin as part of its consensus mechanism. But for now that’s as close as Amazon will get to Bitcoin.

Indeed, with this news it seems Amazon is still of the “blockchain, not Bitcoin” mantra. Earlier this month, the web giant said that AT&T, Accenture, and Nestlé are all using its cloud-based blockchain tools.

Read next:

South African voters fear mobile political campaigns will steal their personal info

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