The block reward started at 300k with the first block and is (300k-height, it drops by 1 coin every new block) until block 270,000 when it then levels off at 30k for eternity.
So according to that, in July 2020 there will be approximately 45 billion Sia in 'circulation'? Just curious how much one would have to own to have a significant stake in the Sia network. Thank you for the very informative spreadsheet.