The "7 Siblings" cryptocurrency wallets have reportedly spent $72.49 million in USDC to purchase 19,918 ETH during the recent market downturn. The average acquisition price was $3,638 per ETH. The transactions were conducted through two addresses: 0x741aa7cfb2c7bf2a1e7d4da2e3df6a56ca4131f3 and 0x28a55c4b4f9615fde3cdaddf6cc01fcf2e38a6b0, as monitored by Onchain Lens and data provided by Nansen AI.