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Rusty Russell
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Rusty Russell

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First week home after joining Blockstream. I'm working on implementing #Lightning for #bitcoin ; it's a big project, but I've decided to do it in the open even before I've got anything working. You can follow along the fun on the new mailing list [EDIT: moved to https://lists.blockstream.io/listinfo/lightning-dev ]
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Huh, CCAN got kinda pretty
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Last day at IBM after 13 years; over half my career.  I hacked on the kernel continuously, but took fascinating side trips into other areas as well.  OzLabs remains a beacon for Australian FOSS hackers, and I can recommend it to anyone who finds this kind of work fascinating.

At the end of this week I reach San Francisco, to ramp up at https://blockstream.com.  What an adventure!
We transform global systems of value exchange that, by design, make it possible to trust anyone. Sidechains. Blockstream's core area of innovation is sidechains, a technology focused on improving on the blockchain, the most powerful public utility for distributed trust systems.
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Welcome to California! I moved here 2 weeks ago to join Amazon after 15 years on the US East Coast. Good luck with your new job!
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Leaving IBM May 4. Joining blockstream.com May 11.

In 1997 I went to Usenix's "UseLinux" track; I heard from and met David Miller, Ted Ts'o, Linus Torvalds and others. Then I knew I wanted to work with these hackers, so I polished up some of my unfinished kernel hacks and never looked back.

Blockstream's bitcoin work is the first project in 20 years that's similarly inspired me; I spoke on their sidechains work at linux.conf.au this year. I'm going to learn a lot from working with them, however long it lasts!
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A good talk at LISA about Bitcoin would be about how difficult it is to protect keys and other operational issues that a large bitcoin-based business deals with.  I would recommend against a talk about what is bitcoin or how to mine.
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Anyone doing the US=>Aus route in the next month? New Dell XPS13 developer edition not available here, want to support it...
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Doh! 
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OK, my Lightning Network technical explanation series is complete.  Comments welcome there or here.

Part I: Revocable Transactions
        http://rusty.ozlabs.org/?p=450
Part II: Hashed Timelock Contracts (HTLCs)
        http://rusty.ozlabs.org/?p=462
Part III: Channeling Contracts
        http://rusty.ozlabs.org/?p=467
Part IV: Summary
        http://rusty.ozlabs.org/?p=477
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Nice series, it gave me an appreciation for the useful things that can be built on top of the blockchain.
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And thanks in advance; I owe you a beer or equivalent beverage next we meet. #letmeknow
 
I've been meaning to put this out there for a while. I'm privileged - cis white male in tech. I try my best to consciously adjust for this [which is a non-trivial thing about which much more experienced folk than I - e.g. +Leslie Hawthorn - have written about. This post is not about that].

This post is me saying - if I screw up, either to you, near you, or near a peer of yours - then a) I'm sorry, and b) please let me know so I can do better [and apologise for the specific thing].
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Rusty Russell

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This week has been random blockchain corruption week. New laptop, new Ubuntu. No other symptoms of bad ram. Full disk encryption seems a suspect, as does suspend. But bad SSD also possible...
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For testing for memory problems at JOB[-1] we gave up on memtest86 entirely when we could run memtest for days and not see a single error, but crash the machine in under 10 minutes running this shell script: http://people.redhat.com/dledford/memtest.shtml and make the problem go away by swapping out DIMMs.
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Eulogy text for +Christopher Yeoh. Having gone to University with Chris (eulogized so beautifully by Susie Hopton and Iain Lockyer), and brought him to work at Maptek, then Linuxcare, it fell to me to describe his work, such a large part of his life.
--
Chris was an engineer. A good one. He was also a fan of Star Trek, a
show built on the premise that engineers make and fix the world we
live in, and a faith in what humans can do with technology.
That attitude is was what made him so valuable on every project he
joined. He was quiet, humble, and determined to fix stuff: to get it
Right. He never sought glory or the pinnacle of success, yet he always reached the summit of any group he joined. He did everything, as long as it was hard, and he never complained. Chris worked on projects around the world; he held his own among the best of the best, and all the time having far more humility than most.
He worked on software, and he worked on standards, critical stuff
which we take for granted. His work is all around us; he truly
engineered the world we live in. The majority of the internet's
servers meet the standards he helped set. He worked on message passing performance: if you're running a supercomputer these days, you're almost certainly running his code. If you're one of the 1 billion people walking around with an Android phone in your pocket, you're carrying a little bit of Chris' code with you.
Yet he was so polite and undemanding, he never blew his own
trumpet. Iain said he didn't even have a trumpet. So it might
be easy to miss his dedication or the breadth of his achievements,
but I worked with him for 20 years and I saw it every time we spoke.
One story I want to share today; a legendary programmer and friend
"Tridge", needed a haircut. He was horrified by the prices charged at
the nearby salon. The result was that we got to see Tridge with a
plastic salad bowl over his head, and Chris cutting his hair with
stationery scissors. Chris did mention that it was harder than it
looked, but he was an engineer, and always willing to try to fix
something.
When I visited Chris on Sunday night, one of the first things he said
to me was "I'm going to have to find someone to do my presentation
at CBIT next month". Chris loved his work, loved sharing it, and
didn't want to let anyone down.
You didn't let anyone down Chris. You were a stellar engineer,
admired and respected by the hundreds of people you have worked with
around the globe.
And I'm proud to have been your friend.
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It was beautifully said Rusty.  Thanks (again) for sharing your view of Chris' life and contribution to all our lives.
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MeshSr is raising funds for ONetSwitch: Open Source Hardware for Networking on Kickstarter! Students, makers, and engineers can write Linux software applications to achieve any network functions, such as NAS, VPN and Firewall.
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I think the fact that the bitcoin price didn't move when the #Lightning Network paper was released disproves the efficient market theory.
Someone shows that you can do instantaneous #bitcoin transactions without putting any on the block chain unless something goes wrong, almost for free, and nobody notices.
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I have been reasoning on something similar for some time (never had the time to really work on it)... very powerful and disruptive
approach!
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Part 2 of explaining Lightning Networks: #lightning #bitcoin  
  https://rusty.ozlabs.org/?p=462
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First fruit from digesting the lightning network paper. #bitcoin #lightning
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Thanks for the interesting post.  Just understanding the basic payment channels concept was an aha moment and worth the read.  I stopped soon after that to let the brain run at a lower thermal state :).
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