LONDON, Feb 3 (Reuters) - The cryptocurrency arm of Jump Trading said on Thursday it had restored more than $320 million to crypto platform Wormhole after the decentralized finance site was hit with one of the largest crypto heists on record.

Wormhole and other blockchains, has been exploited - with 120,000 Ethereum (ETH) worth around $325 million Portal, a DeFi bridge between Solana stolen. This makes it the fourth largest crypto theft of all time, and the second biggest from a DeFi service.