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TECHNICAL

Selfish Mining: A 25 Attack Against the Bitcoin Network

Vitalik Buterin -
One of Bitcoin’s core security guarantees is that, for an attacker to be able to successfully interfere with the Bitcoin network and block and...
MARKETS

Mt. Gox USD Withdrawals To Take Up To 22 Months

Peter N Steinmetz -
Since June 2013, the bitcoin exchange Mt. Gox has been struck by severe problems with fiat currency withdrawals. According to their press release of...
BUSINESS

MtGox Resumes USD Withdrawals

Vitalik Buterin -
The largest Bitcoin exchange, MtGox, has announced that they are resuming USD withdrawals around the world, putting an end to two weeks of hiatus....
BUSINESS

Bitcoin-Mining Malware Spreads Through Skype

David Perry -
Using botnets to mine bitcoins is nothing new or interesting, but the latest entry in this wide category seems to be spreading quite rapidly...
BUSINESS

BTC-e Attacked

Justin Porter -
A moderator of the chat at BTC-e known as “Dev” indicates that a malicious entity was able to deposit fake Liberty Reserve funds, and...
MARKETS

MtGox: What the largest exchange is doing about the Linode theft and the implications

Vitalik Buterin -
This article was originally written on March 28, 2012Following the recent Linode theft, in which over 43000 total bitcoins were stolen from Bitcoinica, MtGox...
BUSINESS

The Bitcoinica Linode Theft and What it Means for Bitcoin

Vitalik Buterin -
On March 1, web hosting provide Linode’s servers were hacked, resulting in a theft of 3000 BTC from Slush and, most severely, 43000 BTC...
TECHNICAL

Bitcoin Exchange Wallets

Vitalik Buterin -
In a managed online wallet, everything is controlled by the wallet’s provider. You have an account with the provider with a username and password,...
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