Crypto miners Bitfarms (BITF +11.8%), Marathon Digital (MARA +12.1%), Hut 8 Mining (HUT +9.5%) and Riot Blockchain (RIOT +8.1%) move up sharply as bitcoin (BTC-USD) takes a step up after easing off its all-time high of $66.7K on Oct. 21. Bitcoin recently traded at $63.8K, up 4.5% over the past 24 hours. Most other cryptocurrencies also gain, with ether (ETH-USD) rising 3.6%, Binance Coin (BNB-US), up 4.6%, and Solana (SOL-USD) +2.1%. On Monday, Bitfarms said its October bitcoin production increased to 343 from 305 in September and it expect to boost its hashrate to 3 EH/s in Q1 2022 and 8 EH/s by the end of next year. Other names with strong links to bitcoin (BTC-USD) are also gaining strongly — MicroStrategy (MSTR +12.8%), Galaxy Digital Holdings (OTCPK:BRPHF +8.1%), and Silvergate Capital (SI +6.7%). SA contributor Made Easy revises thesis on Bitfarms (NASDAQ:BITF) after the bitcoin miner deviated from its green direction.