Christian Decker
@Snyke
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They call me Dr. Bitcoin. -- Bitcoin enthusiast since 2009, and researcher at @Blockstream
Zurich, CH
Joined July 2007
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I literally wrote my doctoral dissertation on why this doesn't work...
@itsALLrisky
Ideally, Doge speeds up block time 10X, increases block size 10X & drops fee 100X. Then it wins hands down.
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@martijnbolt
Sure, there is a naturally occurring blockchain forkrate which is caused by the way blocks and transactions propagate in the network. The bigger the blocks and/or shorter the block interval the larger the fork rate, which benefits attackers and weakens the rest of the network.
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Dear journalists and bloggers,
If you really want to compare the (estimated) energy consumption of
#bitcoin
with the energy consumption of something else, don't use a country, use the fiat system. That'd be equally hard to pinpoint but would be an apples to apples comparison.
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The growth of the
#LightningNetwork
has been accelerating a lot lately. Current record: block 562892 with 523 channels being opened in a single block, followed by block 567255 with 404 new channels.
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Kind of amusing that people "discovered" that LN channels have a small capacity after months of us cautioning users to use small amounts during their testing...
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Do you want to know what the future of
#Lightning
looks like?
#eltoo
is a huge step towards a more flexible, secure and robust protocol.
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Today we are extremely proud to open-source the
#greenlight
client repository as part of our Developer Preview🌱
Included are the client libraries, with bindings for python and JS, as well as all the tools to self-host a Greenlight node.
Learn more at 🚀
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In case you missed it:
#clightning
supports both incoming and outgoing
#tor
connections, and will even go as far as registering a auto hidden-service for you :-)
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This is terrible, the
@Core_LN
team does not condone attacks of any nature. And namedropping a competitor is in really bad taste.
Please follow responsible disclosures, and avoid publicity stunts like this, it's not helping, and causing a lot of issues!
Savage takedown of LND lightning nodes by exploiting a consensus discrepancy between Bitcoin Core and btcd with a single Bitcoin transaction.
Encoded message:
"you'll run cln. and you'll be happy."
Probably not a "responsible disclosure". Time for an LND bug bounty program?
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Just had a great beer at
@puzzleitc
and paid with Lightning. They had to add a warning that payments are so fast that you have to stand ready with cup.
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A giant leap towards the moon: first main-chain test of
#lightning
buys coffee from
#starblocks
and an article from yalls in milliseconds. What else do you need for a successful morning?
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After rewriting the entire payment logic of
#clightning
, we now finally have native `keysend` support in c-lightning.
It'll be enabled by default in the upcoming v0.9.0 🚀⚡
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It's finally here:
#clightning
v0.9.0 "Rat Poison Squared on Steroid" was released. It includes PSBT support, fine-grained coin control, and can serve as the backend wallet for protocols. In addition we shipped full keysend support and multi-part payments.
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We've been collecting the
#LightningNetwork
gossip for quite some time, tracking the network's evolution and sharing the data with academic researchers.
Now we're releasing the first
#lnresearch
dataset publicly in the hope of enabling further research:
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Looks like I'll be celebrating the taproot activation by sailing on lake Zurich under full sail. Seems fitting ⛵🚀
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Pretty nervous and hoping I'm not addressing an empty room 🙂 My first ever webinar
Join Blockstream Core Tech Engineer Dr.
@Snyke
this Wed. at 15:00 UTC for a live webinar on getting started on
#clightning
! Topics include how you might use c-lightning, building basic apps using c-lightning, & its strengths over other implementations. ⚡️
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Very proud and honored to be called one of Switzerlands 100 Digital Shapers 2018 by
@BILANZ
, and be called a Tech Leader
#DigitalShapers18
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For me
@LNconf
was THE conference to attend this year. Meeting awesome people, listening to incredibly insightful talks and catching up with the other teams. You simply had to be there. A huge thanks to
@fulmolightning
,
@starkness
and
@dickerson_des
for making it happen!🚀
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Just to show you how little the IRS knows about the Lightning network: they fell into the idiot's trap of conflating Lightning Labs (
@lightning
) with the overall
#LightningNetwork
... 🤦🏼♂️
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#bobtc
was a fantastic conference, had a blast talking to all the people building amazing things on Bitcoin, and being on a panel with
@acinq_co
and
@LightningK0ala
! Buidl on 🤘
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@martijnbolt
In addition the added uncertainty due to the higher fork rate reduces the certainty a confirmation contributes, resulting in more confirmations being required for the same security.
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We're happy to announce the
#clightning
v0.7.2 "Nakamoto's Pre-approval by US Congress" has just been released!
This release includes dynamic plugin management, support for the upcoming signet, and many many performance improvements and minor fixes.
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… and I was hoping to get coffee, oh well a sticker will have to do
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I pride myself on engaging with anyone who is genuinely interested in technical minutiae of bitcoins tech. But sometimes people turn out to be resistant to arguments, or plain malicious, trying to confuse bystanders and create confusion. Wondering how others are dealing with them
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Get it while it's hot:
#clightning
v0.10.2 "Bitcoin Dust Consensus Rule" was just released, with many new features, and many improvements. We've also taken the first step towards more efficient payments based on
@renepickhardt
's research
#PickhardtPayments
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Given the recent rumors about fractional reserve at exchanges, and in particular them not being upfront with it, I'm tempted to pick up the blinded proof-of-reserves work again:
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Seeing all of the exchange rate charts under the headlines of Bitcoin crashing reminds me of the book "How to lie with statistics": select the time range and offset the y-axis and you can "prove" whatever you like :-)
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We have just released
#clightning
v0.8.0, with many new features, performance improvements and fixes.
Thanks to all the awesome contributors that have worked on this latest and greatest version, and thanks to all the
#reckless
testers that helped test!
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Ladies and gentlemen start your compilers!
I have just tagged c-lightning 0.8.0 release candidate 1 :-)
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Multi-part payment (MPP) support has just been merged into
#clightning
, allowing the capacity of multiple paths to be bundled, for larger amount payments, and reducing the probability of a payment failing due to a channel being exhausted. 🚀⚡
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New year, new
#clightning
release 😀
I just tagged the first release candidate for v0.9.3 of c-lightning.
Your mission, should you chose to accept it, is to help us test the new version
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Stuck at home and bored? How about giving
#clightning
v0.10.2 a spin, and help us test our upcoming release?
We just tagged the firs release candidate, and if all goes well the final release will follow some time next week 🌩
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First steps towards a Lightning-based circular economy ⚡🚀
JUST IN – Professional soccer player receives world’s first
#Bitcoin
Lightning payroll payment 🙌
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Bitcoin and Lightning coming full circle:
Antoine Riard proposes allowing alternative transport mechanisms for
#Bitcoin
, and his first PoC is a plugin on top of
#clightning
`custommsg`s :-)
#Lightning
backed by Bitcoin, Bitcoin transported over Lightning
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It's here!
#clightning
v0.9.3 “Federal Qualitative Strengthening” was just released!
You can download it from Github, Docker or the Ubuntu PPA 🚀⚡
The release announcement has all the details about
#lnoffers
and
#lnonionmessages
:
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Brave and the BAT have long been my goto example of how
#BATshit
crazy the whole ICO thing became. They initially were hoping to disintermediate content-producer compensation, something near and dear to my heart, but ended up becoming intermediary themselves...
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Can't wait for the AI/ML hype to finally die down and we can get back to truthfully talking about their potential, rather than the current frenzy.
Feels a lot like the 2017 ICO bubble for "Blockchain" where everybody was doing Blockchain (without having a Blockchain...)
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Looking for a weekend project? We just tagged the next release candidate for the upcoming release v0.9.0 of
#clightning
. Thanks to all testers that have provided feedback so far!
Want to help battle-test the release too? ⚡🚀
Head over to
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Another week, another release candidate. But we all know that the third time's the charm 😜
Help us test all the cool new features: head over to and start poking at the next release :-)
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A sad day for
#bitcoin
😥
We're going to miss you!
I'm stepping away from working on Bitcoin development for some time. I've stepped down as director of
@bitcoinbrink
and handed the reins over at
@bitcoinoptech
and
@BitcoinCorePRs
.
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Ever wanted a timemachine to go back in time?
Well not exactly a general timemachine, but I just added a CLI tool to reconstruct the
#LightningNetwork
as it looked in the past:
This one's for all the LN archeologists 😉
And we also have a new dataset 💾
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We have our first meta-plugin 😎
The `autoreloader` plugin helps plugin developers reload a plugin when it detects that it has changed, avoiding the need to restart `lightningd`.
You write your code, we take care of the rest!
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Dual-funding is a huge improvement on single-user channels. And the collaborative transaction creation infrastructure
@niftynei
built for it will serve as the groundwork for splicing, more flexible closing negotiations and so much more 👍
Blockstream
#LightningNetwork
Software Engineer
@niftynei
is holding a live webinar this Thursday on dual-funded Lightning channels in
#clightning
! Sign up now to join! ⚡️🔁
#Bitcoin
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#clightning
just merged an optimistic locking mechanism to its database code. This allows you to fail over a node backed by a postgres DB from one machine to another, without risking your funds.
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We released v0.9.0-1 of
#clightning
. This is a point release addressing a some regressions introduced during the rewrite of the `pay` plugin for MPP and keysend support.
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@fiatjaf
@stephanlivera
This is part of the scientific rigor and intellectual honesty I expect from the community and myself
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@fiatjaf
@stephanlivera
You mean respectful of other developers' time,and giving the due time for everyone to form an opinion instead of constantly harassing people, advocating for immediate inclusion,and bending all feedback to suit my narrative? If that's what's required I don't want to be a champion!
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Finally I get my own copy-cat account. I was feeling ignored for the longest time, but finally my name is being abused for spam as well xD
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Let's ask ourselves if Coinbase even wants
#lightning
: they don't want your coins to be useful outside of the exchange, so adding mobility to your funds is not in their best interest. So why do it then? Well they were being pressured by the community asking for LN.
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Not having to have fallible people in positions where they would or could have to scramble was kind of the idea of disintermediation though....
@salvatoshi
@ercwl
@brian_trollz
If you have an L1 consensus failure, stuff breaks core devs scramble for a day, but eventually things are alright again. With an L2 bug, people could permanently lose lots of money.
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Stuck at home and bored? How about giving
@Core_LN
v22.11 a spin, and help us test our upcoming release?
We just tagged the latest release candidate, and if all goes well the
final release will follow some time next week 🌩
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Congratulations to
@lightning
,
@acinq_co
, and
@tdryja
. The Lightning Network is a community effort, let's scale Bitcoin as well :-)
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"Before thinking about what would be a good application for state channels we should first discuss what good applications for smart contracts are, only then we should channelize them" -- Iddo Bentov
#offthechain
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The
@Core_LN
team has just released a quickfix release to address some minor issues and usability improvements. Get it while its 🔥
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Aaaand here goes another round of testing: we've just tagged
#clightning
v0.10.2rc2. Thanks to the feedback from testers of rc1 we were able to identify two small issues that were now addressed. If all goes well we'll have v0.10.2 out this week! ⚡
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Ladies and gentlemen, please start your engines. We're getting closer to the v22.11 release of
@Core_LN
, but we need one last round of testing before we can tag it: v22.11rc3 introduces two new optimizations and backward compatibility fixes
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Yesterday was the last seminar day of the
@ChaincodeLabs
residency. It was an honour to spend time with such a talented group of people and I'm sure we'll all meet again soon! And always remember the mantra "this works better with
#eltoo
" 😄
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Ladies and gentlemen, please start your compilers!
#clightning
v0.9.0rc1 was just tagged, and is ready for testing.
Your mission, should you chose to accept it, is to battle-test the version before we release in the coming days.
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@fiatjaf
@stephanlivera
To be clear, I want neutral and well thought out objective discussions, on the merits and downsides of APO. I want everyone to make up their own mind and have the room to express their opinion.
And should something better come along, we'll happily use it (not the case with CTV).
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We believe in publicly discussing both upsides as well as downsides of our protocol, and the network. Only this way we ca make progress. Anything else would be marketing, and that's not the business we're in 😉
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Almost back home from the
#Lightning
Spec meeting in Adelaide. Had a great week, talking tech with the amazing people from all over the world! See you all soon.
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Quick thread addressing some of the concerns caused by our recent publication on the centralization in the Lightning Network
@JScigala
We can't (and shouldn't) force users to invest the time and effort to run a routing node in the network, the best we can do is lower the barriers to do so, and maybe automate. We're not there yet, it is not very surprising that most stable nodes are run by few tech-savvy people.
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People usually think of trustlessness as a pure end-user benefit. This is only one side of the argument for trustless systems though.
Trustless setups reduce the need for regulation, reducing the burden on service providers as well.
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@Blockstream
@rusty_twit
@adam3us
@Excellion
@pwuille
@Ben_Teitelbaum
If you'd like to connect to the store, open a channel to 02f6725f9c1c40333b67faea92fd211c183050f28df32cac3f9d69685fe9665432
@104
.198.32.198
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Not to forget the orthodoxy that is forming around every word Satoshi wrote back in the day. People selectively quoting them as a cheap way to shut up discussions, when Satoshi didn't have as detailed a picture of the ecosystem that we enjoy today.
Those who deify Satoshi perpetuate an appeal to authority fallacy.
Satoshi was (as far as we know) a fallible human. We do know they made several mistakes and were learning as they were building.
IMO an amazing attribute of Satoshi is their lack of egregious privacy errors.
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Currently testing the new path prioritization in
#clightning
PR
#4771
.
Any c-lightning users out there running the `paytest` plugin? We could use some more targets to test against 🚀⚡
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@JimJones1913
@HillebrandMax
@stephanlivera
@Blockstream
That's one of the reasons we went for a plugin infrastructure instead of building everything into a monolith: we'll never be able to guess all the things users would like to customize, so we empower users to build their perfect tools themselves (and share them with others).
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@ryanwdavies
@Blockstream
That being said, we can actually build Lightning on top of Liquid to enable real-time swaps from one chain to another without lengthy peg-in or peg-out procedures :-)
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Had a lot of fun talking
#lightning
at the
@bitcoinmuc
meetup and hackaton! Very interesting discussion with a very technical crowd. Thanks to everybody who joined.
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And the second round begins: We've just tagged v0.8.0 release candidate 2 ().
Along with a couple of last minute fixes we also snuck in a couple of new features. Hope you are as excited as we are 🙂
A big thanks to all the people who helped test rc1 👍
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Take that, people who thought passing unit-tests were not newsworthy xD
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Excited about the upcoming
#CLN
release? Then get in on the action early and help us test the new release candidate v22.11rc1:
⚡
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Had a great time at the
#BitcoinWednesday
in the amazing Conservatorium van Amsterdam back in November. Before the conference itself I sat down with Rick Esselink to talk about all things
#bitcoin
and
#lightning
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@adam3us
@lopp
@patestevao
In addition multipath routing can reduce visual and mental overload by aggregating capacity across all channels instead of keeping a per-channel capacity. That then allows us with splicing to just have one balance for all payments, whether on- or off-chain
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So far my strategy was to assume genuine interest and just continue replying, however it means that I potentially amplify whatever agenda they might have. Would blocking as soon as I'm confident that they are not interested in a sincere discussion be better?
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