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Re: [tor-relays] oniontip.com



Thanks everyone for all the feedback I've received about OnionTip. It
was originally created in a rush during a hackathon so there is
definitely room for improvement.

Mike Perry, as Mike Cardwell has said, it is currently possible to
select a subset of relays to receive donations by using the filters
(Country, Exit flag, Guard flag) at the the top of the OnionTip page.
I'd like to expand these filters and maybe tweak the defaults to provide
a greater share to exits. Exit bandwidth is more valuable to the
network, and I believe it should be incentivised accordingly.

I completely agree that it's important the service and its payments are
externally auditable. From an implementation point of view, when a user
filters a particular set of relays and clicks the donate button, a new
bitcoin keypair and address is derived and stored in the database along
with the list of relays they've selected. Creating a new address for
each donation is the simplest way of ensuring a users donation goes to
the correct set of relays they select. Forwarding the donation directly
from that one-time-use address to the receiving relay operators also
allows the user to easily and immediately confirm on the blockchain that
their donation was forwarded correctly.

From an external point of view, next week I'll add a page to the site
where anyone can view all previously sent transactions. I'll also
publish the master public key which corresponds to the addresses I'm
generating along with a script to confirm they are being generated
without any tricks.

There's a few other issues in the current implementation which I have
outlined on the Github repo
(https://github.com/DonnchaC/oniontip/issues). I'll send a post to the
list early next week with my proposed solutions and and look for some
feedback before I implement them.

Thanks again to everyone for the feedback and of course for donating to
and supporting Tor relay operators.

Donncha  

On Fri, 2014-08-29 at 10:02 +0100, Mike Cardwell wrote:
> * on the Thu, Aug 28, 2014 at 08:31:36PM -0700, Mike Perry wrote:
> 
> > 1. It should allow me to select if I want to donate only to nodes that
> > have the Exit flag. Running an exit is way more involved (and often more
> > expensive) than running a normal node, and I think it would be good to
> > give folks the option to target their donation in this way. And perhaps
> > encourage it as the default donation mode.
> > 
> > 2. It also already seems to have GeoIP information, at least on the
> > country level. There are all sorts of interesting selectors that could
> > be done with this. You could donate to relays in countries in inverse
> > proportion to the number of relays they have, to encourage
> > jurisdictional diversity, for example. Or more simply, just pick a
> > country. This one is admittedly less cool and more complicated to figure
> > out than just the Exit vs non-exit thing, though. (Do you also weight
> > countries per-capita? Per internet user? Per Tor user? etc).
> 
> You already seem able to do stuff like, filter based on country and
> Exit status, and then donate only to those nodes that are listed.
> 
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