Odaily Planet Daily News: The actively managed ETF fund iShares Short Maturity Municipal Bond Active ETF (MEAR), under BlackRock, has completed a milestone 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 fully issued and traded 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.