Golden Finance reported that BlackRock’s actively managed ETF fund iShares Short Maturity Municipal Bond Active ETF (MEAR) completed a landmark municipal bond transaction through the JP Morgan blockchain platform. The fund purchased a $6.5 million bond issued by the city of Quincy, Massachusetts, the first municipal bond issued and traded entirely based on blockchain technology. The MEAR fund, which currently has about $750 million under management, has updated its prospectus to support bond settlement via a blockchain platform.