I messaged bitmain again yesterday and got a response today saying they will not be releasing future B3 firmware. Also met a Chinese guy just now that spoke english very well in our new B3 scam discord channel. He said he will be going to visit the Bytom team soon and that they feel bad about what happened to btm network hashrate when GPU miners somehow took over. Supposedly they plan on compensating all B3 owners with either new hardware or a chunk of BTM.
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