public inbox for bitcoindev@googlegroups.com
 help / color / mirror / Atom feed
From: bfd@cock.lu
To: Chris Priest <cp368202@ohiou.edu>
Cc: Bitcoin Protocol Discussion
	<bitcoin-dev@lists.linuxfoundation.org>,
	nbvfour@gmail.com
Subject: Re: [bitcoin-dev] Committed bloom filters for improved wallet performance and SPV security
Date: Thu, 05 Jan 2017 18:04:22 -0800	[thread overview]
Message-ID: <045843cb19f03888da10d2954cd1c685@cock.lu> (raw)
In-Reply-To: <CAAcC9ysdaK1DqBBRvBM=7uHFnM7WW23R61v68xrAMj3rWJfqdg@mail.gmail.com>

You might as well replace Bitcoin with a system where these parties
sign transactions and skip mining altogether, it would have the same
properties and be significantly more effient.


On 2017-01-04 23:06, Chris Priest wrote:
> On 1/3/17, Jonas Schnelli via bitcoin-dev
> <bitcoin-dev@lists.linuxfoundation.org> wrote:
>> 
>> There are plenty, more sane options. If you can't run your own 
>> full-node
>> as a merchant (trivial), maybe co-use a wallet-service with 
>> centralized
>> verification (maybe use two of them), I guess Copay would be one of
>> those wallets (as an example). Use them in watch-only mode.
> 
> The best way is to connect to the mempool of each miner and check to
> see if they have your txid in their mempool.
> 
> https://www.antpool.com/api/is_in_mempool?txid=334847bb...
> https://www.f2pool.com/api/is_in_mempool?txid=334847bb...
> https://bw.com/api/is_in_mempool?txid=334847bb...
> https://bitfury.com/api/is_in_mempool?txid=334847bb...
> https://btcc.com/api/is_in_mempool?txid=334847bb...
> 
> If each of these services return "True", and you know those services
> so not engage in RBF, then you can assume with great confidence that
> your transaction will be in the next block, or in a block very soon.
> If any one of those services return "False", then you must assume that
> it is possible that there is a double spend floating around, and that
> you should wait to see if that tx gets confirmed. The problem is that
> not every pool runs such a service to check the contents of their
> mempool...
> 
> This is an example of mining centralization increasing the security of
> zero confirm. If more people mined, this method will not work as well
> because it would require you to call the API of hundreds of different
> potential block creators.


  parent reply	other threads:[~2017-01-06  2:04 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-09  8:26 [bitcoin-dev] Committed bloom filters for improved wallet performance and SPV security bfd
2016-05-09  8:57 ` Gregory Maxwell
2016-05-11 20:06 ` Bob McElrath
2016-05-11 20:29   ` Bob McElrath
2016-07-28 21:07     ` Leo Wandersleb
2017-01-06 22:07       ` Erik Aronesty
2017-01-03 20:24     ` bfd
     [not found] ` <77b6dd25-0603-a0bd-6a9e-38098e5cb19d@jonasschnelli.ch>
2017-01-03 20:18   ` bfd
2017-01-03 22:18     ` Aaron Voisine
2017-01-03 22:28       ` bfd
2017-01-03 23:06       ` adiabat
2017-01-03 23:46         ` Aaron Voisine
2017-01-04  0:10           ` bfd
2017-01-04  0:36             ` Aaron Voisine
2017-01-04  6:06               ` Eric Voskuil
2017-01-04 16:13         ` Leo Wandersleb
2017-01-04  7:47       ` Jonas Schnelli
2017-01-04  8:56         ` Aaron Voisine
2017-01-04 10:13           ` Jorge Timón
2017-01-04 11:00             ` Adam Back
2017-01-06  2:15           ` bfd
2017-01-06  7:07             ` Aaron Voisine
2017-01-05  7:06         ` Chris Priest
2017-01-05  7:45           ` Eric Voskuil
2017-01-05 14:48             ` Christian Decker
2017-01-06 20:15             ` Chris Priest
2017-01-06 21:35               ` James MacWhyte
2017-01-06 21:50                 ` Eric Voskuil
2017-01-06  2:04           ` bfd [this message]
2017-03-15 22:36             ` Tom Harding
2017-03-16  0:25               ` bfd
2017-03-16 15:05                 ` Tom Harding
2017-02-17  0:28 ` Chris Belcher
2017-04-01 23:49   ` bfd

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=045843cb19f03888da10d2954cd1c685@cock.lu \
    --to=bfd@cock.lu \
    --cc=bitcoin-dev@lists.linuxfoundation.org \
    --cc=cp368202@ohiou.edu \
    --cc=nbvfour@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox