By Gertrude Chavez-Dreyfuss and Michelle Price WASHINGTON (Reuters) -Hackers pulled off the biggest ever cryptocurrency heist on Tuesday, stealing more than $600 million in digital coins from token-swapping platform Poly Network, only to return $342 million worth of tokens less than 48 hours later, the company said. Here is what we know so far about the heist. WHAT IS POLY NETWORK? A lesser-known name in the world of crypto, Poly Network is a decentralized finance (DeFi) platform that facilitates peer-to-peer transactions with a focus on allowing users to transfer or swap tokens across differe…

Read More