Re: 2021, time for a new general & diff speculation thread...
So, for the s17 chip (bm1397AD), package dimensions are 8x8 mm.
So it's the exact same size as the S9 chip, maybe they just used the same format since there is no real benefit in increasing the chip size?
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Still seems like a lot of wafer real estate for a chip you can buy for $6.
Keep in mind that this $6 chip burns 17 watts to hash at 0.34th a day, that's only 9 cents a day before the power bill, the BM1398BB (S19 chip) makes even less sense at $25.
In other news, just sent a wire transfer to my mortgage company to pay off my house using coin I cashed out at $25k late December 
I would have loved to sell higher but it is what it is and I can live with that. No matter what I still have a tidy sum of BTC left for a retirement nest egg plus no more mortgage to pay off
I would have loved to sell higher but it is what it is and I can live with that. No matter what I still have a tidy sum of BTC left for a retirement nest egg plus no more mortgage to pay off
That's great news, I am really happy for you. When people say bitcoin is financial freedom they only think we call it that because you can spend it without anybody's permission, but it does more than that, it increases your wealth, it's a great hedge against the unlimited amount of money banks can make out of thin air.
That said, there is still very limited production capacity for chips using the still at cutting edge <7nm nodes. That will not change for several years. Only 1 company makes the EUV stepper/scanners used for the photolithography and they are very massive and complex beasts that cannot be mass produced.
If you had to put this in simple English terms, what is the likely hood of bitmain to be able to obtian 200,000,000 7nm from TMSC in 2021? that means roughly a 1 million S19 or 100EH worth of hash power, if that is possible then difficulty will double, if that isn't possible - it won't, and of course this assumes that getting the chips is the only bottleneck bitmain faces.