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Hackers Hacked KuCoin Exchange

On Saturday, September 26, the KuCoin cryptocurrency exchange reported it had been hacked. Attackers stole about $150 million worth of bitcoins, ERC-20 tokens and other crypto assets from hot wallets. Funds in cold wallets are safe, according to KuCoin representatives. They also promised their clients to recover all losses from the insurance fund. The company contacted law enforcement and launched an internal investigation. The site plans to resume deposit and withdrawal of funds within a week, said the head of KuCoin Johnny Liu.

Miners left to mine 2.5 million BTC

At the moment, miners have mined about 18.5 million bitcoins, which is more than 86% of the maximum emission level. There are 2.5 million coins left to mine, and half of them will be mined in the next four years, says an analyst at ChartsBTC. The total number of bitcoins is limited to 21 million coins. The last of them, according to the idea of the creator of the cryptocurrency Satoshi Nakamoto, will be found by 2140. Once every four years, the reward for mining a block is halved, which slows down the issue of new bitcoins. Since the network was established in 2009, there have been three halves. The latter happened in May of this year, as a result of which the block reward decreased from 12.5 BTC to 6.25 BTC.