Donncha O'Cearbhaill: > 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. Ah, it was in no way clear to me that I was actually restricting my donation to these nodes as opposed to just viewing them. I suppose I may be dense, but I expect many others will think similarly, especially since the UI for selection says "Only show ..." and not "Only donate to ...". > 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. Ah, I see. Ok. Makes sense. > 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. Ok. I can't speak for everyone at Tor, but I think this kind of verifiability is what will make it much easier for us to agree to add a link to OnionTip on our donations page. > 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. Great! Keep us in the loop. -- Mike Perry
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