** Shares of cryptocurrency- and blockchain-related companies rise as bitcoin jumps after the Federal Reserve cut interest rates for the first time in four years

** Bitcoin , the world's biggest cryptocurrency, rise ~1.5%, while Ether edges up ~0.5%

** Crypto exchange Coinbase Global up ~1.7%, U.S.-listed shares of blockchain farm operator Bitfarms Ltd

edge lower ~0.2%

** Crypto miners Riot Platforms Inc , Hut 8 Mining

and Marathon Digital down between ~1.4% and ~2.9%

** Interest rate cut is expected to continue to improve investor sentiment towards crypto, which are interest-rate sensitive-assets like bonds and commodities

** Federal Reserve cuts interest rates by half of a percentage point, kicking off what is expected to be a steady easing of monetary policy

(Reporting by Jaiveer Singh Shekhawat in Bengaluru)

((JaiveerSingh.Shekhawat@thomsonreuters.com))