Bitdeer BTDR Unveils SEALMINER A4 With Industry-Leading 9.45 J/TH Efficiency Bitdeer launches SEALMINER A4 series mining rigs featuring 9.45 J/TH efficiency and up to 886 TH/s hashrate, fulfilling its chip development roadmap. (Read More) Leave a Reply Cancel replyYour email address will not be published.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 - @ April 7, 2026 12:46 pm