[bitcoin-dev] Block size following technological growth

Gavin Andresen gavinandresen at gmail.com
Thu Jul 30 16:20:30 UTC 2015

On Thu, Jul 30, 2015 at 10:25 AM, Pieter Wuille via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:
> Some things are not included yet, such as a testnet whose size runs ahead
> of the main chain, and the inclusion of Gavin's more accurate sigop
> checking after the hard fork.
> Comments?

First, THANK YOU for making a concrete proposal!

Specific comments:

So we'd get to 2MB blocks in the year 2021. I think that is much too
conservative, and the most likely effect of being that conservative is that
the main blockchain becomes a settlement network, affordable only for
large-value transactions.

I don't think your proposal strikes the right balance between
centralization of payments (a future where only people running payment
hubs, big merchants, exchanges, and wallet providers settle on the
blockchain) and centralization of mining.

I'll comment on using median time generally in Jorge's thread, but why does
monotonically increasing matter for max block size? I can't think of a
reason why a max block size of X bytes in block N followed by a max size of
X-something bytes in block N+1 would cause any problems.

Gavin Andresen
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