Thief hands back at least a third of $600m in crypto-coins stolen from Poly Network
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Poly Network said the crook was able to interfere with the execution of smart contracts – typically, small programs that automatically run to fulfill agreements between parties – that are used by the platform to exchange people’s tokens and coins. Funds were not extracted directly from digital wallets.
You can find more technical detail here by security analysts Slowmist, and here by blockchain watchers Chainalysis.
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