Rene Pickhardt Profile picture
May 30 7 tweets 3 min read Twitter logo Read on Twitter
As people asked my opinion on Ark before. Here is a small thread...

I recommend listening to the episode with @brqgoo by @stephanlivera. Some details and problems are discussed and addressed. Obviously having read the technical discussion / proposals first will help you too

1/7
First I want to say I absolutely share the short commings of the #LightningNetwork that @brqgoo addresses & I extended them c.f:


While I am less pessimistic on LN I think it is absolutely crucial that we allow ourselves to also consider alternatives

2/7
I think the proposal in Ark is a very interesting approach. My main learning:

It seems that covenants in general offer much stronger offchain possibilities than we currently have.

In that sense @brqgoo open a whole new Design space for me to tinker about. For example...
3/7
... In my (still very limited) understanding it could be possible that even two people own a vTXO as a multisig which means it could be a funding tx for a channel. Meaning a system like ARK could potentially act as a huge Channel factory (how would people see channel close?)

4/7
However I think a lot of details about ark are still missing. Maybe they are conceptually clearer to those who understand bitcoin better than I do but at this time ARK is for me just a (very) interesting idea. In particular its full potential would need a bitcoin softfork

5/7
Also it seems to me that we should slow down excitement and discuss / investigste the downsides a bit more. I wish to say that generally there is usually no free lunch and a lot of things are trade offs in protocol Design. ARK seems to fit in that category too

6/7
I would love to see a model and numbers for

- liquidity requirements
- required onchain space
- number of servable users
- what happens if stuff needs to go onchain because something goes wrong?

Given various design assumptions. E.g. coinjoins every x seconds instead of 5

7/7

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More from @renepickhardt

May 17, 2022
2nd week @summerofbitcoin started and my two mentees Krystal Maughan and @sebulino working on Price of Anarchy in Selfish routing already nerd sniped me and I just had to sit down to create this diagram which predict the channels failure rate assuming a given drain on channels Image
I give a bit more context on this issue on the @lightning labs lnd issue at github.com/lightningnetwo…
I just realized that the depleting model of a channel can be seen as a bounded discrete 1 dimensional random walk (en.wikipedia.org/wiki/Random_wa…). Damn it! I really tried to avoid learning those & Martingales (en.wikipedia.org/wiki/Martingal…) for a long time

fyi @Snyke @bitromortac @c_otto83
Read 4 tweets
Mar 30, 2022
Dear @greenpeace. You didn't address me directly with your campaign

However the demand of a code change makes me - as a developer - feel addressed

Despite being sure that your campaign is more about seeking attention than dialogue I feel the urge to reply to your demands:

1/11
I'd first like to recall that - according to @stlouisfed and many others - money has three functions

First: Money is a store of value.
Second: Money is a unit of account.
Third: Money is a medium of exchange.

Source: stlouisfed.org/education/econ…

2/11
Thus It is my understanding that the value of money is directly connected to people accepting it.

It is my understanding that this is true for #Bitcoin in the same way as it is true for the Norwegian Krona, the Euro or any other currencies like the USD or the Turkish Lira

3/11
Read 11 tweets
Jul 13, 2021
Optimally Reliable & Cheap Payment Flows on the Lightning Network

the joint work with @stefanwouldgo is now (as promised) in the #open: arxiv.org/abs/2107.05322

This method should allow us to
⚡️ send large #Bitcoin amounts over the #LightningNetwork ⚡️

Thread: 1 / 15
Because of my illness there was a delay and the source code of the min cost solver implementations that @stefanwouldgo and I created will be delayed by a few more days but it should be conceptually straight forward anyway.

That being said I want to thank some people...
3/15
Read 15 tweets
Jul 12, 2021
Es war mir eine Ehre gemeinsam mit @stefanwouldgo diesen Durchbruch in Pathfinding entdeckt zu haben & zu erst der deutschen Community beim @HonigdachsPod davon zu berichten!

Unser Paper ist bis auf eine Graphik fertig & kommt diese Woche auf die Mailingliste!

Thread: 1/6
Die Menge an finanziell höchst lukrativen Job-Angeboten, die ich bekommen habe, nach dem ich vor ca. 2 Monaten erwähnte, dass wir das Problem geknackt haben hat mich komplett "überflutet" und es fiel mir (kein Bitcoin OG) sehr schwer, meine Prioritäten sortiert zu bekommen.

2/6
Als jemand der sich jahrelang für die Liberalisierung von Wissen eingesetzt hat und Mitglied bei @de_Serlo und @WikimediaDE ist, habe ich mich am Ende auf meine Werte fokussiert und erkannt, dass der proprietäre Weg für mich nicht funktioniert (vgl )

3/x
Read 6 tweets
Aug 12, 2019
After 25 years of a hard sickness a very sad life came to rest...

My father was most likely the son of a Russian soldier who raped my grandmother during #WWII. This burden had a severe impact on his entire life. #stopwar

No video this and probably next week for obvious reasons
My grandmother 1 week before my father was born writing a letter to the parents of her husband in September 1945. She describes how "she suffered under the Russian" in January 1945

thread:1/12
She describes how they became refugees after they have been forced to leave their homes

2/12
Read 13 tweets

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