With crypto prices tumbling precipitously, traders have begun increasingly turning against one another to eke out ever-elusive profits. Many shark traders scour blockchains -- digital ledgers for recording transactions -- seeking information on other traders, particularly those with highly leveraged positions, an anonymous user known as Omakase, a contributor to the Sushi decentralized exchange, said in an interview. The sharks then attack the positions by trying to push them into liquidation, and earning liquidation bonuses that are common in decentralized finance (DeFi), where people trade, lend and borrow from ... (full story)