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Consensus Algorithms, Blockchain Technology and Bitcoin UCL - by Andreas M. Antonopoulos

Кадры Consensus Algorithms, Blockchain Technology and Bitcoin UCL - by Andreas M. Antonopoulos

Описание Consensus Algorithms, Blockchain Technology and Bitcoin UCL - by Andreas M. Antonopoulos

Коментарии Consensus Algorithms, Blockchain Technology and Bitcoin UCL - by Andreas M. Antonopoulos

Upper of our minds Extraordinary Comment from : Davood Mobaraky

Andreas antonopoulos is a gem we all are grateful for you Comment from : forme toknow

my words can't be enough to express my gratitude to you Sir can I have your social media handle? Comment from : Abba Salisu

Questions: 1 For what single reason do our Bitcoin & BlockChain Experts give for the anonymity of their creator(s)? 2 Whatever the answer is to 1 isn’t it human nature to broadcast one’s achievements? Comment from : Neil H Francis

You know, I have probably the daftest recommendation* (*based on the brilliance of the presentation v my ineptitude) Time should go down, not up The blockchains drawn “vertically propagated” instead of top to bottom (like a core drilling in Antarctica or a Family Tree) was simply not right I think laterally most of the time, but upside down?……… Comment from : Neil H Francis

What if Andreas is satoshi? Comment from : Narek Khachatrian

Andreas thank you for this gem I’m a retired engineer with enough economic mastery to figure product margins The detail, the stories and the analogies you provide are simply wonderful Today, I don’t think I can teach what you have taught me But tomorrow I’ll use what you’ve taught me to take me to the next step My trust in BTC’s code and human action on the margins continues to increase day by day That a computer scientist who wanted to invent an interoperable solution with BTC would have to replicate its features, warts and all, is an amazing revelation BTC’s bugs have value! Comment from : dave corley

PoW sucks Energy dependent and contributes global warming Comment from : rolla

SEMPRE ATUAL Comment from : M S

content ok, presentation of the stuff to the student IMHO bad, too much oral blabla without short notes on the board one has to record the lesson to make notes maybe someone should gift an IPAD to that guy Comment from : Robert Reichert

people who are coming 35 minutes late in the class should considered watching it on youtube Comment from : dataecstasy

Love it But keep it simple You put to fillet stakes into sha256 mince grinder Sure,you get a minced beef Now, try it in reverse(hoping to get back to two fillet stakes) And you are fucked No way it is possible to return to innitial state Thats what sha256 is Comment from : KESTUTIS NORKUS

WoW…6 years ago I am so far away …brbrThank you Sir for leaving this on the Yt realm Comment from : ikust007

Andreas talked about payment channels 6 years ago and now we have Lightning Network Very good class, I learned a lot about the orphan blocks green/red chain 0:43:00 Comment from : Opa Herbert

I can't match the sha256 Checksum for "Hello!" Comment from : Rob Russell

A good talk, but the statement made around 9:35-10:30 that the SHA-256 always changes for changed input is provably false Agreed, it is difficult to find collisions, but there is no question that they do exist Comment from : Paul Husek

Best video on bitcoin consensus algorith ! Comment from : Naveen Swamy

He talks exactly like Jesse Eisenberg and Christoph Waltz in Social Network Comment from : Harikrishnan Chandramohan

0:52 startbr1:36 network protocol, encryption, zero-sum game designs that change np Comment from : NBME Answers

3:07 Satoshi walks in Comment from : Antonio

Best comprehensive explanation on the subject ever! Thank you Comment from : Emanuele M

Andreas is a Master!, thank you!!! Comment from : Javier Velázquez

35:23 I bet these people got bored hearing about Bitcoin, never bought and are kicking themselves right now Comment from : Climate Tech

so according to what you say it makes a lot of difference if i am near a place with a lot of mining in it because there is more chance i will be on the winning side of the fork, right ? Comment from : Gilad Baruchian

Great lecturer, knowledgeable on the subject and knows how to explain I want to be like him Thanks Comment from : Roberto Walsh

FANTASTIC!!!! Comment from : Caio Garé

Elon musk needs to watch this Comment from : Curtis Lucas

i watched half of this, now im an expert TO THE MOON! Comment from : Profyt

Andreas the best bitcoin teacher! Calispera Comment from : Mary Sini

Best lesson on POW! Thank you Sir 🙏🙏 Comment from : Javed Saikia

What a detail explanation Learn a lot Comment from : Sujeewa E

Believe me I have watched thousands of hours researching Blockchain & this is stilly he best presentation yet 💯🙏 Comment from : Darren Goulder

34:30 consensus algorithm Comment from : Morris Hsu

CWVBLOCKCHAIN in its quest to build a fast and stable bottom layer of its blockchain, CWVBLOCKCHAIN uses the consensus principle of PoST since it's bottom layer already has a consensus of ledger and storage proof Comment from : Joan S Gonzalez

Great lecture Thank you very much Andreas! Comment from : Thanos Panagouleas

i really love hthis vidoe found it from patreik michels channel hop[e he relpies @patrick michel Comment from : Obama Care

Andreas I have thousands of bitcoin cash in my wallet on my cellphone and I don't know how to cash out Please help Comment from : Carmen De Oliveira Integlia

Awesome! Can anyone recommend another video about bitcoin which is also as technical and as long as this one? Comment from : hal9000svk

great kecture just more deails have to be much more simplified Comment from : majid dehbi

This was a fantastic lecture Would be blessed to see one in person Comment from : Trap or Doom

You still have a hint of a British accent Andreas Comment from : J

11:35brindeed, a8d19153 (a8d191538209e335154750d2df575b9ddfb16fc7) is the SHA-1 of "Hello! ", the SHA-256 of "Hello!" is 334d016f (334d016f755cd6dc58c53a86e183882f8ec14f52fb05345887c8a5edd42c87b7)brThe guy from the public executed shasum without params, which, nowadays, uses sha1 by default, the way to obtain SHA-256 is through sha256sum or shasum -a 256 Apart from that, without cleaning the new-linebrThe way:br$ echo -n "Hello!" | sha256sumbrorbr$ echo -n "Hello!" | shasum -a 256 Comment from : X Breogán COSTA

Thank you!!! I'm finally cleared with the proof of work Comment from : Fajar Purnama

Watching this in 2019 wishing i saw it in 2016 I invest everything i make into Bitcoin and other cryptocurrencys because i know what there truly worth ! Thanks for the awesome speach man ! Comment from : Treece

Pretty neat! Andreas I mined bitcoin in 2013 for money without knowing what I was doing I left the industry only to return in 2017 - I've spent last 2yr watching videos like this! I know know better I wish I watched this before I became a BTC minerVery good!! Comment from : Norris Masters

Thanks for this Comment from : Crypto Resources

I'm working on an improvement, Sha257 Comment from : d papa

Hi Andreas, interestingly you mentioned the plan to increase the block size in 2016 I wonder what's your view of bitcoin cash and bitcoin cash SV? Comment from : Fei Yang

Dr Andreas me perdoe e algo fiz centros supletivo s com problema de saúde deste criança são estudosse formar desocupado e algo sério livros dor cabeça ética segurança saúde costas peso desobediência e perto portão rua como chá ? Pede pedra sopa receita😍 Hoje como pessoas com perdas de espaço aceita café? Comment from : Odilon Duarte

Andreas is a true genius! One can easily detect that, not from his deep knowledge on the subject, but from the humility with which she shares it with others! Standing applause! Comment from : demetrios kasabalis

So do the Forks keep us safe in the long run Comment from : Donna Burns

Recorded by IamSatoshi? Comment from : IC1101

Mac Terminal:brbrhasum <<< 'Hello!'bra8d191538209e335154750d2df575b9ddfb16fc7brbrshasum <<< 'Hello!0'br0e0978c3bcd55ccb10ef61aa900adee01c512d5ebrbrshasum -a 256 <<< 'Hello!'brb22b009134622b6508d756f1062455d71a7026594eacb0badf81f4f677929ebebrbrshasum -a 256 <<< 'Hello!0'br7460100bc6dcc237f60b0b47c27c731ea41b64fb5462e2e4c2dd33d5f57f7fe9 Comment from : IC1101

Watching this in 2019 gives me a real feeling of how tech evolves! This was recorded when BITCOIN CASH was still a theory without a name yet, we have two bitcoin cash now! lightning network was still alive only in theory, we have payment channels funded with 1 BTC currently and still growing! Truly bullish on the future of crypto!!💯 Comment from : Umar Sebyala

Thank youanto Comment from : phoenixeyes

Don't know what the guy put in his sha256 function, but it was not that phrase A8D19 is not what I'm getting :-) Comment from : R Koijen

334d016f755cd6dc58c53a86e183882f8ec14f52fb05345887c8a5edd42c87b7 Comment from : rshnewton

Thank you Andreas for such a clear explanation!br@aantonop don't you think that consensus rule about the longest chain leads to mining concentration in a certain region ? I appreciate your feedback Comment from : Nicolás De Marco

After reading Forbs and Verge article I have some doubt what Consensys and Joe Lubin doing with crypto future br wwwtheblockcryptocom/tiny/the-verge-consensys-could-be-laying-off-as-many-as-50-60-of-its-employees/ Comment from : Оксана Александровна

26:36 Who sets the validation rules? I disagree with your answer here Andreas! I think the answer is simply 'consensus' (and all that that implies) Discussing reference implementation and core implementation may be technically correct, but it's conceptually wrong kthxbi Comment from : Roul Duke

Consensys is on the way down according to Verge article, Forbes article declared Joe Lubin incompetent br wwwtheblockcryptocom/tiny/the-verge-consensys-could-be-laying-off-as-many-as-50-60-of-its-employees/ Comment from : Оксана Александровна

is bitcoin could be forked into post quantum cryptography Comment from : DAVOOD ULHAKEEM

what do you think of hashgraph? Comment from : Sounds and ambient videos

those guy in first row so bored how it even possible when you attending absolutely fascinating lecture I'm dreaming to learn this those days Comment from : Tolique

Best Tube ever!!! I learned so much Comment from : Juergen aus Husum

Andreas, you have such a fantastic way of explaining things in the most clear, simple, precise, and non-arrogant way People love you because you are clearly a genius but you don't make your listeners feel dumb Bravo sir Comment from : L Asher Corson

If you are in search for some good technical explanations about Bitcoin, this video is a must watch Hats off to Andreas !! Comment from : Lakshminarayanan Nandakumar

Great talk and finally someone that can explain the details Comment from : Micke Svensson

Everyone in this room is now rich or stupid! Comment from : Dale Linney

Best video on POW on YouTube Best work by Andreas Comment from : Ajinkya Pande

Absolutely dynamite talk, at this point these more technical ones are the ones I enjoy the most Comment from : Ernesto Lombardo

and as i understood if you're not moving your coins during these forks, your funds are safu) right? Comment from : Michael Chigintsev

so all the race are for the Zeros or any particular line of same numbers in the begining of hash could it be a line of "1111jhdihwbvih"? or"ijwdhgviwfh000000000"? I'm wondering what the reason behind chosing "zeros before hash" as a main cryteria?? is it the hadrest combination to find somehow? Comment from : Michael Chigintsev

At the time of race condition how the reward system work? Comment from : prodip gogoi

Interesting extreme bi-forkation event at 54:40 Comment from : Sys

How a node agrees to particular nonce? and Who exactly maintains this nonce value Comment from : Palakondarayudu Uppu

Brilliant explanation Great work Sir Comment from : swapnajeet

Does it run of python? Comment from : PWNED BY THRUST

Very well done Comment from : Chez Dude

One of my heroes Comment from : Ben Stolman

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