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If the Bitcoin blockchain would support 2000 transactions per second, how big would the blocks need to be (with segwit at 100% lets say), and most importantly, how much bandwidth would be necessary for a miner to propagate the blocks to 8 peers?
How much bandwidth needed for bitcoin bigger blocks
Answers
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If you consider that Bitcoin currently does 2000 transactions each 10 minutes, you'll need blocks 600 times bigger, or more-or-less 1.2 GB each. Now you need bandwidth sufficient for that peer to transmit 9.6 GB each 10 minutes (1.2 GB * 8 peers -- I have no idea of what you meant by "necessary" bandwidth).
That's doable if you only have one miner in the entire network.
The very question is, "Bitcoin can be support the 2000 transactions per second?" so I think to exist other component work on bitcoin for improving transaction speed – vincenzopalazzo – 2019-09-10T22:38:25.507