Hong Kong-listed company Boyaa Interactive (0434.HK) announced that from November 19 to 28, the group exchanged 14,200 ETH for about 515 BTC, involving a total market value of about US$49.48 million (excluding transaction fees). Boyaa Interactive said that the original purchase cost of ETH used in this exchange for BTC was about US$39.45 million. After the exchange, the group held a total of about 3,183 BTC, with an average holding cost of about US$57,700. (Financial Times)