Blocks need to be 373 MB to serve
Does this block size lead to a viable network?
7.5 billion people ×
50 percent ×
1 percent ×
5 transactions per person per day ×
300 bytes per transaction ÷
1024 bytes per kilobyte ÷
1024 kilobytes per megabyte ÷
24 hours per day ÷
60 minutes per hour ×
10 minutes per block
=7.5*1000000000*50/100*1/100*5*300/1024/1024/24/60*10 MB per block
The size of blocks will need to be much larger than shown because this calculator makes the following assumptions that would fail in the real world: