** Shares of crypto and blockchain-related companies up in premarket trading as bitcoin rises
** Bitcoin BTC, world's biggest cryptocurrency, rises 2.3%, while Ether ETH up 2.1%
** Crypto exchange Coinbase Global COIN.O rises 2.4%, U.S.-listed shares of blockchain farm operator Bitfarms Ltd BITF.O up 3.5%%
** Crypto miners Riot Platforms Inc RIOT.O, Hut 8 Mining HUT.O and Marathon Digital MARA.O up between 4.5% and 5%