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Rusty Russell
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Rusty Russell

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So, what did I do on Saturday night?  Try to understand the http://lightning.network paper.  Complete with a glass of wine and copious notes.  Forgive the pun: am slowly becoming enlightened.
The Bitcoin Lightning Network. "The Bitcoin Lightning Network": Paper (PDF) DRAFT Version 0.5 · Presentation Slides. Will upload an updated version with some fixes this weekend (yes there is a typo in Fig 1, a/b is swapped). Feb 28, 2015: Paper Version 0.5. Feb 23, 2015: Slides. Abstract.
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If you're interested in the technical status of bitcoin, this paper is a must-read.  It collates a broad and previously inaccessible swath of information into one coherent and distilled form.  Brilliant work!

http://www.jbonneau.com/doc/BMCNKF15-IEEESP-bitcoin.pdf
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Finished reading this.  Wow!  Even if Bitcoin dies tomorrow, the amount of interesting technical problems related to Bitcoin are staggering - some good will definitely come of it.
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Leslie's  http://hawthornlandings.org/2015/02/13/a-place-to-hang-your-hat/ #labhr post made me think of one particular contributor who I have to thank:

+Nelson Castillo has done awesome work finding bugs and reporting problems in the #pettycoin prototype.  Despite my warnings and insistence that nothing was ready, he bravely ventured in and the result of his reports and feedback was two releases which are actually vaguely usable!  His solid enthusiasm and interest are sure to take him far in whatever projects are lucky enough to attract his attention in future.

(And thanks for the great idea +Leslie Hawthorn! )
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#lca2015 Looking for someone who has attended only one or two LCAs before to co-present the Newcomers session this afternoon.  Diversity is important, and I'm getting old and crabby :)  Inexperience a must!
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Woot
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#lca2015 And Alex is getting into the whole steampunk costume dinner thing: she's going to look great! Me, I'm aiming for passable...
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Stewart Smith: I am with you on that one!  But maybe I am old enough to qualify as steampunk just as I am...  :-)
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Rusty Russell

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Where do I find (someone with access to) an original Breakout arcade machine? I want to know what the full angle for the spinner was, so I can calibrate mine.

Long version: I am introducing my daughter to video games in chronological order. We are starting with Breakout, 1976. I obtained a spinner, and am running DICE. But if she ever gets the chance to play a real one, it'd be nice if she weren't too off...
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Go to scratch.mit.edu. Great programming environment for kids so you can create your own games from scratch.

I have done pong and frogger with my kids. And they have done some simple games of their own.

It is similar to programming lego mindstorms using blocks to build the logic.
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Do you know someone who has made significant contributions to the Linux Australia community?  It'd be great if you could send in a few words about them for the Rusty Wrench 2015!

http://linux.org.au/vote/rusty-wrench-nomination-form
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So, Google Calendar on my stock Nexus 5 (Lollipop) crashes on every sync attempt.  Seems like it's been losing all my appointments for the last week.  Can anyone recommend alternatives?  Pretty upset...
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I feel sorry that the new calendar got pushed to all. So many problems with it :(
Should you just want the old calendar, you can install that
https://play.google.com/store/apps/details?id=com.concentriclivers.calendar&hl=en
http://www.apkmirror.com/apk/google-inc/calendar/calendar-201404014-android-apk-download/
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Another great DaveM presentation...
 
Cool - +David Miller 's keynote from NetDev 0.1 is online on YouTube! :-)
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Great talk!

Yay for xmit_more!! :)
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So, my pettycoin talk from 6 minutes on is actually an explanation of sidechains.  If you're interested in #bitcoin and #sidechains I suggest it's the most accessible technical explanation currently available.

Plus, bonus Merkle jokes!  (Well, actually one joke repeated ad nauseum)

https://www.youtube.com/watch?v=qq2EvH4eGLk#t=360
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My linux.conf.au "Pettycoin 1.0" talk is going to be dense.  Mainly because it's about "What I should have done" which involves explaining enough of bitcoin internals to explain the sidechains paper, then going further and explain Gregory Maxwell's various proposals to scale bitcoin.

There are two big pluses to this: firstly, I haven't seen these concepts presented in easy-to-digest form before.  Secondly, attending this talk may give insight into improvements which some very bright people have proposed for bitcoin, which I thus expect to show up in sidechains in the medium term.

#bitcoin #sidechain #lca2015 #pettycoin  
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Spent some coding time looking at Invertable Bloom Lookup Tables, esp. as proposed to apply to transmission of #bitcoin blocks (a side effect is that there is now an invbloom #iblt #ccan module):

http://rustyrussell.github.io/pettycoin/2014/11/05/Playing-with-invertible-bloom-lookup-tables-and-bitcoin-transactions.html
Pettycoin. YA crazy bitcoin project. View On GitHub. This project is maintained by Rusty Russell. Playing With Invertible Bloom Lookup Tables And Bitcoin Transactions. 05 Nov 2014. Gavin Andresen of bitcoin fame posted a github gist a while ago, about using IBLTs to send block transaction ...
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!pu dexim naidne ym dah I. But they fixed it now: 5 stars!
Public - 3 months ago
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