Riot, however, decreased its hashrate expectations for the year to 12.5 exahash per second (EH/s). The downgrade follows June’s reduced forecast, when it said it expected 12.6 EH/s by January 2023, below May’s prediction of 12.8 EH/s. The miner produced 421 bitcoins in June, compared with 466 BTC in May, the statement said.