According to ChainCatcher, Arkham monitoring data showed that BlackRock BUIDL Fund transferred 1 million USDC (about 1 million US dollars) to an unmarked address about 11 hours ago.
BUIDL Fund also transferred 1 USDC to another unmarked address 23 hours ago, which was suspected to be a test transfer transaction.
A day ago, the address also received 13 million USDC transferred from Circle's hot wallet.