Bitmain developed machines can do the job for a long period until finally a new version is required. In this instance, the very long-term trustworthiness of Antminer Z15 will prove useful. two. In guarantee time, the customer bears the postage to send out back again, Bitmain bears the postage https://usedantminerz15forsale09502.blogitright.com/40457910/cheap-antminer-z15-refurbished-in-stock-order-now