According to the chain analyst @ai_9684xtpa monitoring, Giant Whale 0x160... a1cC2 bought 4862.95 ETH in two parts on the chain, with a total value of 12.49 million US dollars and a cost of 2569 US dollars. The key is that its source of funds was directly cross-chain through ThorChain on 05.21 and 05.22. The 411 BTC was exchanged for 17651.18 ETH (about 46.05 million US dollars). At that time, the cost of ETH was $2609.14 US dollars, and then it was sold decisively when ETH rose and made 104,000 US dollars.