The Poly Network hacker pledges a payback after the huge fraudulent withdrawal of $600 million of a cross-chain project. Update: PolyNetwork hackers have returned $253 million on the BSC chain. pic.twitter.com/jO0SiWDtyP — Wu Blockchain (@WuBlockchain) August 11, 2021 The hacking of crypto funds occurs across three chains of the Ploy Network. Notably, this series of […]