This week a group of hackers targeted a large amount of the Bitcoin community and stole $1.3 million worth of coins, according to CoinMarketCap.
The attack took place last week in the UK, where CoinMarketMark has previously reported on the thefts.
The group stole $20 million worth in Bitcoins, and another $10 million worth worth of Litecoin coins, as well as a large number of other digital currencies including Dogecoins, according, the data breach was made possible by a recent bug in the blockchain.
In total, the hackers managed to take down the entire cryptocurrency network, which makes it the largest known hack of its kind.
The $1 million of coins were stolen by an unknown hacker, who then used the stolen funds to purchase $1,926,200 worth of Ether (ETH) in a cryptocurrency exchange.
While the cryptocurrency community has seen a number of major hacks in recent months, the largest is the $5.5 million hack in late January.
That hack led to the shutdown of more than $1 billion worth of the cryptocurrency’s digital currency supply, according CoinMarketCaps data.
It is unclear who the attacker is, but they may have been connected to other cyber attacks on other cryptocurrencies.
The hacker also took advantage of the fact that Bitcoin transactions can take up to four hours to complete, as a result of the blockchain’s transaction backlog.
According to Coin MarketCap, the attack was first reported by a UK news site in late February.