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