Bitcoin difficulty drops by over 11%, sharpest drop since 2021 China ban The Bitcoin network’s mining difficulty dropped by as much as 27% within a single adjustment period during China’s 2021 crypto mining ban. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Altcoins - @ February 7, 2026 7:17 pm