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Hackers roban 40 millones de dólares en Bitcoin desde el exchange Binance

7 mil Bitcoin, desaparecidos en minutos. El sitio de intercambio de criptomonedas Binance anunció que sufrió una filtración de datos de seguridad durante la tarde del día 7 de mayo, lo que derivó en la pérdida de aproximadamente siete mil BTC en una única transacción, equivalentes a más de 40 millones de dólares (al precio actual…

Hackers roban 40 millones de dólares en Bitcoin desde el exchange Binance

7 mil Bitcoin, desaparecidos en minutos.

El sitio de intercambio de criptomonedas Binance anunció que sufrió una filtración de datos de seguridad durante la tarde del día 7 de mayo, lo que derivó en la pérdida de aproximadamente siete mil BTC en una única transacción, equivalentes a más de 40 millones de dólares (al precio actual de intercambio).

Los hackers lograron acceder a llaves de API, códigos de autenticación con factor de dos pasos, y otra información confidencial. Binance todavía está estudiando los métodos usados, pero la sospecha recae en una combinación inteligente de virus, phishing y otros ataques.

La empresa de intercambio reconoció en un post explicando lo sucedido que la transacción robada fue orquestada, pensada para ser realizada en el momento más oportuno y pasar todas las medidas de seguridad. Asimismo, Binance asegura que sólo su hot wallet -es decir, los BTC que están en línea- fueron robados, impactando sólo a un 2% de la cantidad de Bitcoin total en la cartera.

Hackers roban 40 millones de dólares en Bitcoin desde el exchange Binance

El resto de BTC que permanece en cold storage -totalmente offline, e invulnerable a este tipo de ataques- está a salvo. Mientras tanto, todas las transacciones de retiro y depósito del exchange han sido suspendidas por completo, mientras se realizan las pesquisas correspondientes. Sin embargo, los intercambios entre cuentas siguen permitidos, en caso que los usuarios quieran resguardar o mover sus criptomonedas a billeteras más seguras.

Binance aseguró que el dinero virtual perdido será repuesto en el transcurso de una semana: el exchange estableció un seguro para sus usuarios, que se paga automáticamente con el 10% de todos los costos por transacción, y que está diseñado para proteger a los usuarios de ataques extremos, como el ocurrido este martes.

Si bien la cantidad de dinero robada suena extrema, el ataque parece haber estado dirigido, por lo que la amenaza debería ser detectada pronto. Mientras tanto, el resto de los usuarios de Binance puede estar en paz.

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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.

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

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