As Bitcoin’s issue amount increased, so did the need For additional effective and energy-effective miners. This brought about the development of successive Antminer types, each much more Highly developed than the last. Notable milestones involve the Antminer S7 and S9, which became the gold normal in their time for profitability https://knoxuwsni.fare-blog.com/39497843/the-what-is-the-best-antminer-diaries