Marathon Digital (NASDAQ:MARA) and Riot Blockchain (NASDAQ:RIOT) bitcoin mining growth slid again in May, while Bitfarms (BITF), HIVE Blockchain (HIVE) and Core Scientific (NASDAQ:CORZ) saw some upside momentum. Overall, crypto miners' performance metrics softened a bit last month as the number of bitcoins (BTC-USD) mined slipped nearly 2% on average, but the hash rate edged up almost 2%, according to the table below. The slump in bitcoin (BTC-USD) mining looms as the BTC network hash rate wobbled throughout May, but still hovers near all-time highs of 274.75 exahash per second ("EH/s") on June 8, recently standing at 227.16, according to data from CoinWarz. Note that the mining hash rate is a measure of how much computing power is being used to process transactions on the blockchain. It estimates bitcoin's hashing power based on the number of blocks being mined. Ultimately, the more hashing power in the network, the greater its security
