[Bitcoin-development] Bitcoind-in-background mode for SPV wallets

slush slush at centrum.cz
Wed Apr 9 20:31:03 UTC 2014

Another idea: Integrate torrent download of bootstrap.dat into bitcoind.
Normal user (especially a beginner) won't learn how to download bootstrap
separately and import it into bitcoind; he simply give up the
synchronization once he realize it takes too much time. From my experience
downloading the bootstrap significantly improves catching the blockchain,
which may attract some more users to run bitcoind.

Not sure about C++, but simple torrent client in python is like 30 lines of
code (using libtorrent).


On Wed, Apr 9, 2014 at 10:12 PM, slush <slush at centrum.cz> wrote:

> I believe there're plenty bitcoind instances running, but they don't have
> configured port forwarding properly.There's uPNP support in bitcoind, but
> it works only on simple setups.
> Maybe there're some not yet considered way how to expose these *existing*
> instances to Internet, to strenghten the network. Maybe just self-test
> indicating the node is not reachable from outside (together with short
> howto like in some torrent clients).
> These days IPv6 is slowly deploying to server environments, but maybe
> there's some simple way how to bundle ipv6 tunnelling into bitcoind so any
> instance will become ipv6-reachable automatically?
> Maybe there're other ideas how to improve current situation without needs
> of reworking the architecture.
> Marek
> On Wed, Apr 9, 2014 at 9:33 PM, Gregory Maxwell <gmaxwell at gmail.com>wrote:
>> On Wed, Apr 9, 2014 at 11:58 AM, Justus Ranvier <justusranvier at gmail.com>
>> wrote:
>> > Anyone reading the archives of the list will see about triple the
>> > number of people independently confirming the resource usage problem
>> > than they will see denying it, so I'm not particularly worried.
>> The list has open membership, there is no particular qualification or
>> background required to post here. Optimal use of an information source
>> requires critical reading and understanding the limitations of the
>> medium. Counting comments is usually not a great way to assess
>> technical considerations on an open public forum.  Doubly so because
>> those comments were not actually talking about the same thing I am
>> talking about.
>> Existing implementations are inefficient in many known ways (and, no
>> doubt, some unknown ones). This list is about developing protocol and
>> implementations including improving their efficiency.  When talking
>> about incentives the costs you need to consider are the costs of the
>> best realistic option.  As far as I know there is no doubt from anyone
>> technically experienced that under the current network rules full
>> nodes can be operated with vastly less resources than current
>> implementations use, it's just a question of the relatively modest
>> implementation improvements.
>> When you argue that Bitcoin doesn't have the right incentives (and
>> thus something??) I retort that the actual resource _requirements_ are
>> for the protocol very low. I gave specific example numbers to enable
>> correction or clarification if I've said something wrong or
>> controversial. Pointing out that existing implementations are not that
>> currently as efficient as the underlying requirements and that some
>> large number of users do not like the efficiency of existing
>> implementations doesn't tell me anything I disagree with or didn't
>> already know. Whats being discussed around here contributes to
>> prioritizing improvements over the existing implementations.
>> I hope this clarifies something.
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