Cryptocurrency exchange
Poloniex was founded in January 2014 as a global cryptocurrency exchange. It provides spot trading, futures trading, staking, and various services to users in nearly one hundred countries and regions.
According to on-chain analyst Ai Aunt (@ai 9684xtpa), Sun Yuchen withdrew 12,000 ETH from Poloniex 20 minutes ago, valued at approximately $19.5 million.