Cryptocurrency exchange Binance temporarily halted its blockchain network on Thursday in response to a cyberattack that led to the theft of two million BNB tokens, notionally exchangeable for $566 million in fiat currency. The shutdown, requiring the cooperation of 26 validators to close the decentralized system, occurred around 2200 UTC on October 6, as a result of the exploitation of the BSC Token Hub bridge, which connects the BNB Beacon Chain and the BNB Smart Chain so tokens from different blockchains can be exchanged.

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