According to ChainCatcher, according to data from The Data Nerd, a whale borrowed 51 million DAI from Spark and exchanged it for 52 million USDC after pledging 30,000 ETH to Spark, and then deposited all USDC into Binance. By taking advantage of this practice, he withdrew another 30,000 ETH (about 101.7 million US dollars) from Binance.