Blockchain technologies help, but there are many other hidden forms of centralization that also have to be overcome. https://twitter.com/windley/status/694654496677298176

Wed Feb 03 18:26:06 +0000 2016


Well, the Trilobites lived for 281M years from the Cambrian to the end of Permium. Ecosystems change. https://twitter.com/samirpatellaw/status/695431691616153600

Fri Feb 05 02:27:12 +0000 2016


Twitter Moments is useless to me, but if i could get the “While you were away…” on demand I would use it regularly. #TwitterImprovements

Fri Feb 05 02:32:48 +0000 2016


Replying to @NancyWhite

no, digital learning is machine learning

Fri Feb 05 16:42:34 +0000 2016


True! “the dream that drove so many of us in the early days isn’t the dream of…” — @zephoria https://points.datasociety.net/it-s-not-cyberspace-anymore-55c659025e97#—75-198.npb04by5b

Fri Feb 05 16:50:27 +0000 2016


True! “The complexity, magnitude and acceleration of our problems means that those old answers are not sufficient” https://twitter.com/alexsteffen/status/695675937023590400

Fri Feb 05 18:54:26 +0000 2016


RT @HerraBRE: A lot of people think encryption is just for keeping secrets. They forget it also ensures the integrity of communication; thw…

Fri Feb 05 22:48:27 +0000 2016


Counter-intuitive,but makes sense. We take more risks when we think we may be safe. Also Black-Scholes in ‘08 crash: http://www.theguardian.com/commentisfree/2016/feb/04/removal-road-markings-safer-fewer-accidents-drivers

Sat Feb 06 20:31:39 +0000 2016


Replying to @petertoddbtc

The big finance co’s in ‘08 thought that by using Black-Scholes they could mitagate risk, but instead increased it.

Sat Feb 06 22:03:51 +0000 2016


Replying to @petertoddbtc

it wasn’t that they didn’t understand Black-Scholes ‘08, but underestimated human irrationality would move systematic risk.

Sat Feb 06 22:06:12 +0000 2016


Replying to @vvachani

Listen to my reply http://anchor.fm/w/98ADF0

Tue Feb 09 17:47:01 +0000 2016


You might also like my 3 posts from 2008 on Community by the Numbers, also group thresholds: http://www.lifewithalacrity.com/2008/09/group-threshold.html https://twitter.com/jaCattell/status/697004107077390337

Tue Feb 09 18:07:23 +0000 2016


RT @jsmarr: my latest side project: scaling deepdream to run on an artist’s 8’+ panoramic landscapes with (imo) amazing results. https://t.…

Tue Feb 09 20:58:07 +0000 2016


I’m not sure how generalized this solution is, but any progress in homomorphic encryption is progress for #privacy… https://twitter.com/theregister/status/696997483461763072

Tue Feb 09 21:42:00 +0000 2016


EFF Co-founder John Perry Barlow @JPBarlow on the 20th anniversary of his Declaration of Independence of Cyberspace… http://www.economist.com/news/international/21690200-internet-idealism-versus-worlds-realism-how-john-perry-barlow-views-his-manifesto

Wed Feb 10 01:16:37 +0000 2016


The full slideshare explaining my Proficiency Ladder is at http://www.slideshare.net/ChristopherA/the-proficiency-ladder #InstructionalDesign #Flow https://twitter.com/Espenel/status/697471643669680130

Wed Feb 10 18:12:07 +0000 2016


Replying to @Espenel

Thanks! Note that particular diagram is a bit complex to understand without the broader context: http://www.slideshare.net/ChristopherA/the-proficiency-ladder

Wed Feb 10 18:17:59 +0000 2016


Replying to @andrestaltz and @adamludwin

You might like http://www.slideshare.net/ChristopherA/the-proficiency-ladder

Wed Feb 10 18:33:48 +0000 2016


Replying to @Espenel

Yes. At the beginning of every class I show some variant of that slide with the topics of the day. Mastery is often not required!

Wed Feb 10 18:37:45 +0000 2016


Replying to @Espenel

It is also good often the end of a class, to remind them what they learned and where they should be.

Wed Feb 10 18:38:42 +0000 2016


It has been fun to read answers to “Is it possible today for a single engineer to scale an app to 1 million users?” https://www.quora.com/Is-it-possible-today-for-a-single-engineer-to-scale-an-app-to-1-million-users

Wed Feb 10 18:44:21 +0000 2016


Here is a presentation on my teaching philosophy and approach to curriculum design in a hybrid flipped environment: http://www.slideshare.net/ChristopherA/my-hybrid-flipped-learning-environment

Wed Feb 10 19:35:10 +0000 2016


Replying to @Espenel

Given your interest, I just uploaded a slideshare on my teaching philosophy: http://www.slideshare.net/ChristopherA/my-hybrid-flipped-learning-environment

Wed Feb 10 19:35:57 +0000 2016


As conference season peaks, I’m tired of “Sage on the Stage”. How about more round tables, design charrettes, open space, hackathons, etc!

Wed Feb 10 20:07:01 +0000 2016


We are working to have the next #RebootingTheWebOfTrust design workshop at the UN in NYC as part of http://id2020summit.org/ at end of May.

Wed Feb 10 20:10:10 +0000 2016


“UN Sustainable Development Goal 16.9. aims to deliver Legal Identity for all.” #ID2020Summit #RebootingWebOfTrust http://id2020summit.org

Wed Feb 10 20:11:27 +0000 2016


My social change course @pinchotbgi taught this: Partisanship “can even undermine our very basic reasoning skills” http://grist.org/politics/science-confirms-politics-wrecks-your-ability-to-do-math/

Wed Feb 10 21:46:49 +0000 2016


It is important to understand that these biases apply to both right and left politics. Partisanship is the problem. https://twitter.com/christophera/status/697537228440891392

Wed Feb 10 21:51:26 +0000 2016


Some interesting analysis of how to change minds online from Cornell based on Reddit’s /r/changemyview: https://www.washingtonpost.com/news/wonk/wp/2016/02/10/how-to-change-someones-mind-according-to-science

Wed Feb 10 23:07:12 +0000 2016


“What are we going to do when people expect us to start producing computer systems that actually work?”—@johnregehr https://twitter.com/johnregehr/status/697562368176295936

Thu Feb 11 00:24:07 +0000 2016


BigChainDB https://www.bigchaindb.com/whitepaper/bigchaindb-whitepaper.pdf seems to be a new Byzantine Consensus Algorithm on top of RethinkDB. Wonder how BCA compares to Stellar?

Thu Feb 11 01:49:35 +0000 2016


Replying to @juanbenet, @taoeffect, @petertoddbtc and @trentmc0

How does BigchainDB BCA compare to Stellar’s SCP? Why not SCP on RethinkDB? #blockchain

Thu Feb 11 01:55:45 +0000 2016


RT @buchmanster: @ChristopherA @juanbenet @taoeffect @petertoddbtc @trentmc0 rethinkdb not bft. Raft consensus only on config changes

Thu Feb 11 02:03:46 +0000 2016


RT @trentmc0: @buchmanster @ChristopherA @juanbenet @taoeffect @petertoddbtc correct lower level consensus not bft. That’s why federation o…

Thu Feb 11 02:34:43 +0000 2016


Replying to @trentmc0, @buchmanster, @juanbenet, @taoeffect and @petertoddbtc

but what you call BCA BigchainDB Consensus Algorithm, how does it compare to SCP?

Thu Feb 11 02:36:53 +0000 2016


RT @trentmc0: @ChristopherA @juanbenet @taoeffect @petertoddbtc great q, we are big fans of scp. For 1st cut bypass extra complexity of quo…

Thu Feb 11 02:37:44 +0000 2016


Replying to @trentmc0, @juanbenet, @taoeffect and @petertoddbtc

So is it compatible enough with SCP that if you added quorum it would be SCP? Or different?

Thu Feb 11 02:39:32 +0000 2016


RT @trentmc0: @ChristopherA @juanbenet @taoeffect @petertoddbtc great q. I’ll have to investigate further.

Thu Feb 11 04:53:43 +0000 2016


RT @juanbenet: @trentmc0 @ChristopherA I think SCP would be a great fit for BigchainDB, but will take adjustments. On it ;)

Thu Feb 11 12:04:50 +0000 2016


Amusing to see the OK Go “Upside Down & Inside Out” video on the same day as the LIGO gravity wave confirmation. https://www.facebook.com/okgo/videos/10153210535420683/

Thu Feb 11 19:32:46 +0000 2016


Replying to @petertoddbtc and @gojomo

I think it is live & uncut, but the plane is doing some choreographed dives—there are several points everything falls.

Fri Feb 12 01:13:05 +0000 2016


Replying to @petertoddbtc and @gojomo

My favorite part is the weightless ballet dancers. In a few years we should see longer 0G times & incredible dancing.

Fri Feb 12 01:17:06 +0000 2016


RT @MicroSFF: “Dude!”
“Dude!”
“Grav waves! Rad?”
“Cosmic!”
“Surfable?”
“Dude, any wave is!”
“Dude! Let’s build a board!”
– From ‘History o…

Fri Feb 12 01:32:23 +0000 2016


RT @NickSzabo4: Public key cryptography, used in https://, blockchains, etc., explained with paint mixing and clocks: https://t.co/2DrTqPcY…

Fri Feb 12 19:12:22 +0000 2016


RT @juanbenet: cyphermedia = cryptographically authenticated hypermedia. maybe also encrypted at rest.

Wed Feb 17 18:27:49 +0000 2016


RT @NickSzabo4: Noise in commodity prices misleads us about scarcity and sustainability.
http://unenumerated.blogspot.com/2016/02/two-malthusian-scares.html

Wed Feb 17 18:42:47 +0000 2016


Replying to @taoeffect and @zcashco

I have a list of links and papers that I’ve collected on the topic of zk-snarks at http://www.one-tab.com/page/NWXI09MkQce9-8z89hoKOQ

Wed Feb 17 18:53:51 +0000 2016


RT @NickSzabo4: New blog post – of money and Malthus: http://unenumerated.blogspot.com/2016/02/two-malthusian-scares.html

Wed Feb 17 18:55:40 +0000 2016


IBM’s Open BlockChain #IBMOBC smart contracts are called chaincode: “can be written in any programming language”: https://github.com/openblockchain/obc-docs/blob/master/FAQ/chaincode_FAQ.md

Wed Feb 17 19:01:42 +0000 2016


I’m not quite comfortable calling parallel confirmation of the execution of general purpose program a #SmartContract.

Wed Feb 17 22:01:53 +0000 2016


Instead, in a #SmartContract language I’m seeking a system where both the identity and consensus layers are intimately intertwined.

Wed Feb 17 22:05:01 +0000 2016


“a push from American law enforcement agencies to unlock iPhones would embolden Beijing to demand the same” @nytimes http://nyti.ms/1Ltdr0U

Wed Feb 17 22:15:47 +0000 2016


We in tech community, in particular in #Blockchain, need to be careful of “Tyranny of the Quantifiable” #Complexity

Wed Feb 17 22:29:24 +0000 2016


I have also heard this as “beware of invisible architectures” — we risk in designing complex systems locking in unanticipated consequences.

Wed Feb 17 22:31:58 +0000 2016


Met CJ once and chatted late into the night. Early books are about what is alien, later on what is human. Brilliant! https://twitter.com/scalzi/status/700075288395431941

Wed Feb 17 22:36:17 +0000 2016


I play an unusual instrument called a #handpan. Here is my collection of video links for some of best performances: https://www.youtube.com/playlist?list=PLJ0DUQTMYEC5_nOyrwc2EZrtJ32l8ljcU

Thu Feb 18 22:14:30 +0000 2016


The #handpan was invented in 2000, is made of harmonic hammered steel, and takes about 250K strikes to shape & tune. https://www.youtube.com/playlist?list=PLJ0DUQTMYEC5_nOyrwc2EZrtJ32l8ljcU

Thu Feb 18 22:16:57 +0000 2016


Videos of two of my better #handpan performances are here https://www.youtube.com/watch?v=qlNV22sSiw0 & https://www.youtube.com/watch?v=_1z3cjmJurk — still learning every day!

Thu Feb 18 22:19:47 +0000 2016


This comic nails the core of the argument against the demand by the SoCa court for Apple to backdoor the iPhone: https://pbs.twimg.com/media/CbqPx0bWIAEC5vO.jpg

Sat Feb 20 19:07:47 +0000 2016


The Backwards Brain Bicycle “Be careful how you interpret things; knowledge != understanding; hidden biases exist” http://youtu.be/MFzDaBzBlL0

Sat Feb 20 20:10:18 +0000 2016


Fear mongering is a cheap and powerful method of persuasion — as a culture we have to learn to resist it. http://on.wsj.com/1UdvkrT

Sat Feb 20 21:00:14 +0000 2016


Related to the Apple subpoena, this is the best analysis that I’ve seen from the court forensics side of the topic: http://www.zdziarski.com/blog/?p=5645

Sat Feb 20 21:54:30 +0000 2016


Replying to @donaldmcintyre_

with fear mongering you don’t need lack of information—influence effect of satisficing will mean you don’t want more info.

Sat Feb 20 21:56:52 +0000 2016


Cynefin is major model I use when teaching adult mastery skills. Not everything complex is learnable classically. https://twitter.com/usablelearning/status/701162093442166784

Sat Feb 20 22:01:58 +0000 2016


RT @stevedenning: Planet got destroyed but for one beautiful moment we created shareholder value #stoos @rstraub46 @LdeRothschild https://t…

Sat Feb 20 22:03:41 +0000 2016


RT @WayneVaughan: Sidechains: Weaving a network of blockchains with Bitcoin by Adam Back (@adam3us) of @Blockstream. http://buff.ly/1UdUwhW

Sat Feb 20 22:07:12 +0000 2016


RT @AaronvanW: The Hong Kong roundtable statement by (some) Core devs and miners was just posted on @btcroundtable’s Medium page: https://t…

Sat Feb 20 22:09:51 +0000 2016


On fear mongering: “…behind any use of power over another the ultimate assumption remains: “I feed on your energy.”” http://calvinanddune.tumblr.com/post/110463710632/between-depriving-a-man-of-one-hour-from-his-life

Sat Feb 20 23:59:11 +0000 2016


I spend a lot of time in my Influence & Social Change courses on the topic of power and ethics—we need to be aware: https://www.slideshare.net/mobile/ChristopherA/tactics-of-persuasion-influence-bgiedu

Sun Feb 21 00:03:54 +0000 2016


…and this was said to Turkish diplomats. That is one country we really want to abide by their own constitution! https://twitter.com/wikileaks/status/699207398020374530

Sun Feb 21 02:17:19 +0000 2016


The full promise of #SmartContracts requires cryptographically authenticated feeds—some research using #Ethereum… https://twitter.com/sweis/status/701221758242676737

Sun Feb 21 02:32:15 +0000 2016


I was interviewed by the W3C’s #VerifiableClaims Task Force, who are deciding if W3C should create standards on this https://twitter.com/manusporny/status/692842126044868609

Mon Feb 22 19:48:21 +0000 2016


Here is the summary of survey results from #VerifiableClaims Task Force, presented today by @manusporny #credentials https://docs.google.com/presentation/d/1K6VHQ38XCoGfadNmE1OVCkS7hq32XiBfq-iMCVN8o68

Mon Feb 22 19:54:52 +0000 2016


Here is the full report on W3C’s #VerifiableClaims Task Force on need for standards for #ID #Credentials sharing https://docs.google.com/document/d/1dYup3KC2nak3LVTzyapr996TKxDj1w5Eyp4g13rQQBA

Mon Feb 22 20:01:02 +0000 2016


43 orgs that either issue #VerifiableClaims or consume them were surveyed. Very interesting reading in raw results!
http://opencreds.org/presentations/2015/w3c-tpac/anonymized.html

Mon Feb 22 20:06:37 +0000 2016


Relevance of #VerifiedCredentials to #Blockchain? #Privacy! How about just one Know Your Customer #KYC than risking giving everyone info.

Mon Feb 22 20:18:36 +0000 2016


As #VerifiableClaims has set objectives to be user-centric and truly decentralized it is also relevant to #RebootingWebOfTrust & #Reputation

Mon Feb 22 20:23:01 +0000 2016


RT @equalsAndy: @ChristopherA looks great and more inclusive than I might have suspected. Would be interested in being involved. Can you ma…

Mon Feb 22 21:02:31 +0000 2016


Replying to @equalsAndy and @manusporny

You should get together and talk about #LinkedDataSignatures2015 & #VerifiableClaims.

Mon Feb 22 21:12:54 +0000 2016


Talking #VerifiableClaims & #Blockchain at lunch with @Ryladog @Shepazu @manusporny @ChristopherA @halindrome

Mon Feb 22 21:43:12 +0000 2016


Session agenda and notes from today’s #W3C Web Payments Interest Group meeting about #Blockchain: https://www.w3.org/Payments/IG/wiki/Main_Page/FTF_Feb2016/Blockchain_and_the_Web

Mon Feb 22 21:51:28 +0000 2016


Spec-Ops.io is a new group to help “Encourage Consensus, Foster Implementation & Speed Adoption” of web standards. https://twitter.com/specopshq/status/701811166171934720

Mon Feb 22 21:56:38 +0000 2016


‘Xeno’ <def>n. the smallest measurable unit of human connection, typically exchanged between passing strangers</def> http://www.dictionaryofobscuresorrows.com/post/16571284794/xeno

Mon Feb 22 23:25:06 +0000 2016


I agree w/ @Joi here—part of the reason I’m here at a W3C mtg & watching Linux Foundation’s Hyperledger. Decisions!

Mon Feb 22 23:42:07 +0000 2016


.@Joi You may find relevant the principals that I outline in the definition of a http://ParticipatoryEcosystem.com

Mon Feb 22 23:45:59 +0000 2016


@ahopebailie a link to your slides?

Tue Feb 23 00:00:01 +0000 2016


@_emschwartz links to InterLedger presentation and preliminary specs?

Tue Feb 23 00:02:07 +0000 2016


RT @okTurtles: Our first status letter: okTurtles Browser Extension, DNSChain, DPKI, & More!
https://blog.okturtles.com/2016/02/turtle-status-letter-1-browser-extension-dnschain-dpki-more/

Tue Feb 23 19:25:01 +0000 2016

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