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3. Blockchain Basics u0026 Cryptography

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Кадры 3. Blockchain Basics u0026 Cryptography

Описание 3. Blockchain Basics u0026 Cryptography

Коментарии 3. Blockchain Basics u0026 Cryptography

Thank you MIT & prof Gary Gensler Comment from : Chamara Sampath

Great teacher Thanks so much for this lecture Prof Gary Comment from : MarPal Palmer

Great engaging teacher! Comment from : TomPrior16

1:17:00 watch from here for summery of whole video and to save time , Comment from : Fiaz Ahmad

I may need to revisit the bitcoin white paper by Satoshi Nakamoto Comment from : Joon Kim

BSV is the real Bitcoin BTC cannot scale on a layer 1 which limits it's use and utility Comment from : Andres

I couldn’t believe my eyes when I see this course being taught by GG! Oh how the times have changed… Comment from : IndiOdyssey

Lovely, thanks Comment from : S

That one was a brain buster for me I fully understood about 60-65 of it at depth, and its ok Comment from : quiversa

Day2 Comment from : EMPTY 2023

I dont understand why no one asked why proof of work is necessary? Cant any other usefull system can be implemented He talks about solving puzzle but no one asked what is the puzzle in detail and why is there a puzzle? Solving hash functions and nonces accordingly is ofcourse but they did not question the methodology of the work Comment from : Applicator Developer

he has a voice similar to Matthew McConaughey Kinda Comment from : Nenad Matic

Does anybody thinks he sounds like Steve Jobs? Comment from : Badminton Logic

Question: If there are 10 to the 8 Satoshis per bitcoin, is that why that is the granularity of a bitcoin? That is, I have heard that you can break up a bitcoin into one out of a hundred million Or, 10 to the 8th Comment from : nosuchthing8

Your the best Comment from : Amira Khatib

Your mathematics is top tier babyyy Comment from : Amira Khatib

42:00 With the digibyte blockchain, you can download the entire blockchain quite easily The exact mechanics Im not sure but its must more faster, scalable, and decentralized than any blockchain currently available Comment from : Whisper Vault

this lecture had been told to me to learn by my university as blockchain is my self paced course It was really good lecture even though i was lacking on so many points in lecture i found it very interesting to eatch and not drop on some point i dont getso i think he is one of the best teachers i had ever been taught hats off sir Comment from : BingeWatch Anime

Case study for wanting to leave the stockmarket: AMC Comment from : Christopher Smith

diffie hellman did pretty good privacy for email before bit coin think of the trap door hash function example add 2 primes even if u have the total u cannot recover the primes one is the public key one is the private key u need both to have validation basically it is the one way trapdoor Comment from : Eric Koontz

I am still here Comment from : Rin M

the chances of breaking the hash in sha256 is 2 to the power of 256 not 128 that guy got it wrong Comment from : K Dawg

2140, not 2040 Comment from : Igor Bogdanoff

you would get 80k in those days and today you would be sitting on nearly a million dollars for 25 bitcoin Comment from : hachiback

Year 2040? I thought it was predicted to be Year 2140 for the last bitcoin to be mined? Comment from : K

Congrats to anyone who understood this the first time through I'm starting the second time now Comment from : Matt Verville

One of the most valuable resources available on the internet about blockchain Can anyone tell me which is the demo is he talking about? Comment from : Manosij Roy Chowdhury

It is 2140 not 2040 Comment from : HN Tâm

1:06brbrWow Think about when Gensler spoke these words I think he had just grown accustomed to 2/3 inflationbrbrUSD…the “kings” were fighting a virus They debased the dollar by printing so much that mother fucking large fries at McDonald’s is $449brbrAnd if anyone had watched this video when it dropped had simply invested $500 into btc or ETH they would have done very well in 2021 Comment from : Just_Read_the_Instructions

very simplistic Comment from : Sridhar Srinivasan

This is so interesting series of videos, that when I watching it during Im making my stocks analysis and is time to relax and play Diablo III I have a big problem to switch this video off and play game Proffesor Gensler, you are great, and also the audience! Comment from : Jaromír Adámek

27:19 Comment from : Imp

This is gold ❤️ Comment from : Sakshi Raj Bauddha

He said that the last BTC will be mined in 2040 but I believe that he should have said 2140 Comment from : toolcool420

none of these students have a carburetor on their car 😀 pretty much gone before 1990 Comment from : Joe S

GameStop dont stop Comment from : Trippington Productions & Co

What a great academic, so lucid presentation! Comment from : Zakir Akhand

Nonce means something very different in the UK 😄 Comment from : JG

Can we get the demo as well? Comment from : Félix-Antoine Bossis

Anyone have the syllabus to see recommended readings ? Comment from : Carlo Duarte

35:52 real life computing Comment from : Camilo Riano-Galviz

Lol cars don't have carburetors anymore Gary Comment from : Happy Progressive Poop

Sauce So much sauce Comment from : MyÜberLife Consulting Group

756 readings and demo Comment from : Kevin Smith

These lectures are amazing And yet, I'm kinda disappointed to see them I wanted to believe the SEC rejected the spot bitcoin ETF out of general ignorance, lol Most regulators have no idea what's going on with technology Now I know he taught a class brbrWe're stuck with futures for a long time :( Comment from : J D

I am from Jamaica, can believe I am listening to a semester of lecture from MIT Bless be God Thanks MIT Comment from : Geoff Codlyn

Can some link the readings here Comment from : Rahul Mandal | BJ20039

that base 2 to base 10 conversion trick/estimation at 35:55 was pretty genius and smart btwfor anyone who didnt catch that shows hes pretty quick on his feet and knows quite a few math tricks Comment from : J S

Who is here being reminded of how much has changed in just 3 years!! Just a mind blowing that Bitcoin was worth $6,500 when this lecture was being recorded Comment from : Goksu Okar

this is a wild video, like outside of the informative nature of it seeing Gensler talking about needlessly printing money a whole year before the pandemic, and noting one of the creators of Algorand over 6 months before it launched shows have far we have come in only 3 years Comment from : Taylor Viola

3rd class doing all the readings, see you in the 4th lesson Comment from : van Hohenheim

Comment from : Perhaps

Not a fan of cronies, but it is amazing that this guy is still learning complex new stuff in his 60s, most people in their late 20s give up on learning new stuff Comment from : Voy2378

Im half way, my notes for questions:br1 Why timestamp needed at all, if the order of blocks what’s matters br2 How can nonce guarantee we get output hash with zeros? Could such nonce nonexistent Comment from : 尼安德鲁

Sirs concept on the cryptography are a little off :/ Comment from : K M

This is the best way I have found to learn about this new tech Doing the readings, the assigments and everything and the questions from the people there are really good too Thanks for sharing it MIT Comment from : Elizabeth Gutierrez

This class is so entertaining I’m awestruck Comment from : Stracci _

This is a very helpful and clear class Thanks Comment from : Buzz Pedrotti

Thanks MIT for sharing knowledge with the world! Comment from : Ahmed Anis

It's hard to not impressed by his wit and perception Comment from : viiii

A PRAISE FROM A 20 YEAR OLD BLOCKCHAIN LOVER (YES ME💓😃) :- Dear professor gensler , your COMPUTATIONAL power is really great You are a genius, we love how you are defining this brutal technology in an interactive and fun way, I swear I'll attend all the classes and I'm also preparing notes and trying to do the homework you offer THIS CONTENT WORTH MILLIONS OF DOLLARS GREAT WE ALL ASPIRANTS ARE BLESSED Comment from : Smily Life

What is the video that professor keeps referencing ? Comment from : kvs

47:12 the writings on the white board!!? Wonder what class happened before this Comment from : kvs

lol the auto subtitles can't always handle GG's accent Tree becomes "tray" etc Comment from : Nicholas Bishop

Does anyone here has the link of the video they refer to at 50:50? Comment from : Tomás Hugo Almeida

I never imagined that MIT could have such a low level of teachers The man interrupts himself and makes a digression every three minutes He is irritating The nan does not specify definitions and looks very insecure He asks the audience for help as a singer who has lost his voice and really has very little knowledge of the matter Comment from : zak00101

I came here to understand the expensive Blockchain that I paid for Yeah, this is the study bible of the Blockchain technology Comment from : Net Solutions VPN

I can't believe tht in 1,5 yrs btc got 10 times of itself Comment from : Bitan Roy

Gem of a course Good stuff prof Comment from : Somdeep Sengupta

Fun fact: it's more likely that a mass-murderer asteroid hits the planet this year than 2 different strings output the same SHA-256 hash Comment from : dbr

36:09 How the hell did he do that?? Comment from : dbr

Que gran curso! Me encanta, motiva y aprendo un montón, la calidad de la información y como esta organizada es perfecta Saludos desde Argentina 🇦🇷 Comment from : Lain Calvo

Thank you! Comment from : Joseph Starbuck

Would be great if people could get any kind of certificate of participation In my experience when in comes to jobs no one cares about knowledge if you don’t have the right certification Comment from : Sunabe77

Cryptographic hashing is not only a way to take a lot of information and put it in fixed form, but brbrThe key thing is the hash functions tie the blocks together cause hash functions can point to previous info 1:13:11 Comment from : LtSerge

Leaving my mark here at this mile marker Thanks MIT and Professor Gensler Peers, If you’ve made it this far, keep going! Comment from : Joshua Gayman

Crash & Burn 🤯describing it🔥@ 1:1:16 Comment from : Vee Soto

The information I learned from these 3 classes are very informative and fascinating I appreciate everyone who made this far Comment from : Kal El

What a amazing method of teaching - No brainer why he is the SEC chairman Comment from : Rajib Das

these classes are amazing thank you for posting them! Comment from : MarleyzLegacy

Positive feedback to MIT open courses as a whole & Gary Gensler's class in particularbrbrThank you MIT for making this and your previous technical courses available While I am typically a passive listener of educational content, professor Gensler and the student engagement in this course is really terrific I feel obligated to provide the following feedbackbrbrFor what is worth, here's my critique of the course so far The first two classes had great tidbits about the history of money and financebut I really enjoyed watching this 3rd lecture tackle the abstract concept of how (cryptography) algorithms could provide technical safeguards in the potential presence of an adversarial actor Felt like the Prof was still looking for a more perfect/tangible analogy of a HASH value brbrAlso (as with the previous lectures) I enjoyed the technical tidbits about how big a blockchain header is relative to the size of the blockchain This lecture seemed to demonstrate the caliber of students at MIT in addition to the impressive professors Comment from : Tony Calice

27:50 zip codes are like hash Comment from : N K

‘How’s my math?’ What a boss 🤣 Comment from : T T

Thank you very very much for this series, I’m learning a lot Those who want to dig deeper on RSA, hash functions, elliptic curve cryptography, and random-number generation can probably benefit from a specialized book on the subject Comment from : Axel R

Thank you @@ Comment from : Hello Kitty

This really is incredible, never thought I'd be so intrigued learning about block chain! Comment from : knee-long

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