Hashrate indicates the amount of hashing power devoted to mine Siacoins by miners. The protocol adjusts automatically the Difficulty, so the block time stays stable at about 10 minutes per block. Sudden and abrupt oscillations in the hashrate can affect temporally the block time until the difficulty corrects again. Difficulty chart shows the difficulty at the end of the day, while Hashrate and Block time represent averages of the day. Starting on December 6th 2017, after the hardfork that changed the Difficulty Adjustement Algorithm (or DAA), Difficulty is calculated as the average of the day. Data is updated daily around 3:00AM UTC