BlackRock becomes the first asset manager to acquire municipal debt using blockchain technology.The transaction was facilitated through JPMorgan's private blockchain platform, enhancing transparency and security.BlackRock's iShares ETF, MEAR, acquired $6.5 million worth of Quincy bonds through the blockchain-based transaction.BlackRock's iShares Bitcoin Trust (IBIT) has nearly reached $60 billion in assets under management, outperforming its gold ETF.