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Re: Cryptocurrency: Rise of Bitcoin Cash BCH
- From: juan <juan.g71 AT gmail.com>
- Subject: Re: Cryptocurrency: Rise of Bitcoin Cash BCH
- Date: Sun, 22 Jul 2018 03:30:53 -0300
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On Sat, 21 Jul 2018 23:19:11 -0400
grarpamp <grarpamp AT gmail.com> wrote:
>
> "a few servers in a datacenter"... sounds fatally cerntralized.
I was paraphrasing =P - here's the 1000% 'authentic' quote :
https://www.mail-archive.com/cryptography AT metzdowd.com/msg09964.html
"
Long before the network gets anywhere near as large as that, it would be safe
for users to use Simplified Payment Verification (section 8) to check for
double spending, which only requires having the chain of block headers, or
about 12KB per day. Only people trying to create new coins would need to run
network nodes. At first, most users would run network nodes, but as the
network grows beyond a certain point, it would be left more and more to
specialists with server farms of specialized hardware. A server farm would
only need to have one node on the network and the rest of the LAN connects with
that one node.
The bandwidth might not be as prohibitive as you think. A typical transaction
would be about 400 bytes (ECC is nicely compact). Each transaction has to be
broadcast twice, so lets say 1KB per transaction. Visa processed 37 billion
transactions in FY2008, or an average of 100 million transactions per day.
That many transactions would take 100GB of bandwidth, or the size of 12 DVD or
2 HD quality movies, or about $18 worth of bandwidth at current prices.
If the network were to get that big, it would take several years, and by then,
sending 2 HD movies over the Internet would probably not seem like a big deal.
Satoshi Nakamoto
"