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But how does bitcoin actually work?

3Blue1Brown 16 views

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If you see comments here about investing or brokers, they are scams Videos about cryptocurrencies, evidently including ones that are just about the underlying technology/math, are hotbeds for attracting nefarious actors preying on the impressionablebrbrAlso, hi! If you’re new to this channel, most of it is about visualizing math I get it, you probably landed here searching for how BTC works, not to spend your afternoon getting pulled into learning about, say, prime numbers or problem-solving, but if you have a moment take a look at the rest of the channel, you may enjoy what you find
Comment from : @3blue1brown

Thank you soo much
Comment from : @CoWulfse

A laudable explanation of bitcoin, even if those who hawk its virtues as a remedy for our crumbling economies are exactly the kind of people (ie the ruling elites and capitalists) who are the cause of such problems
Comment from : @Sinleqeunnini

2:30 ledger 帳本 Digital signatures 電子簽名
Comment from : @paralellun8485

0001 BTC transaction fee looks funny in 2022, as well as 50 BTC reward for one block
Comment from : @fromnsk

Bitcoin was founded in 2009 by a pseudonymous person or group called Satoshi NakamotobrBitcoin has no central authority that controls itbrThe maximum amount of Bitcoin is 21 million brThe subdivided unit of Bitcoin is called SatoshibrBitcoin is legal in most countriesbrBitcoin can be exchanged for other currencies and products
Comment from : @worldnature7791

If I accidentally add my block to a shorter chain, are all my computations in vain?
Comment from : @rubencrevits2447

why so hard
Comment from : @LanguageBLOX1_Alt

Too good
Comment from : @hrushikeshvazurkar

20:05 so what keeps Alice from making a fraudulent transaction, and broadcasting it to everyone not just Bob? If she broadcasts it to everyone, she doesn't have to mine
Comment from : @deckard5pegasus673

THE BEST EXPLANATION! brbrA melhor explicação sobre BTC que eu ja vi
Comment from : @renataboninhaide4587

You should make an updated video about PROOF OF STAKE, and other Cryptocurrencies
Comment from : @MrSanitor

Would of been good if you elaborated why bitcoin blocks are the size they are It becomes difficult for people to maintain and hold a copy of the ledger the bigger the blocks get This makes it easier for bad actors to potentially fraud someone on the network
Comment from : @alex_sharp

I absolutely loved this video I love how deep into the nitty gritty you go, no other explanation has gone that far that I've found and the fact that this video is 5 years old is astounding
Comment from : @ainzNemesis

can you make a video explaining proof of stake?
Comment from : @HenriJDom

Hello there! The people who actually understand crypto are truly the backbone of the market and the driving force behind all the innovation we are seeing For anyone and everyone who understands crypto and helps others understand it, I thank you all!brbrIf you don't mind answering, I have a little doubt brSince 3Blue1Brown said that transaction fees is slowly becoming the major income source for miners as block reward diminishes, what if, in the future, miners choose to include only those transactions in their blocks which include transaction fees?brbrWould we always have to pay a little more each transaction so as to please the miner and make him include your transaction to the block? brWho is to stop the miners from doing that? Having to always pay more than needed would be very bad for the users and that might just erase people's trust in the crypto market brbrLike my dad has actually stopped using credit cards because they always charge 1 service charge per transaction, and so he had to pay more than he wanted to This way, they lost a customer Will the same happen to crypto market if the scenario I described above happens?brbrThanks in advance!
Comment from : @mehulambastha2819

First time I've actually understood bitcoin Thank you
Comment from : @katphyre

Thanks!
Comment from : @hrishabhjoshi

Amazing video!
Comment from : @sajuanfacundo

this is probably the best explanation on blockchain and bitcoin thank you
Comment from : @diaahanna8882

Thanks buddy
Comment from : @brofivehundred4852

Right now it doesn’t, as I understand it
Comment from : @BAgodmode

It's ggod to have a reasonable explanation
Comment from : @Asylum247

23:00
Comment from : @te-hh5fd

4:39
Comment from : @deaddays6883

In this report, as with every other documentaries about CrytoCurrency and BlockChain, in my mind, I can hear Charles PONZI talking to another potential sucker this "Get-Rich-At-The-Speed Of-Light-Because One-Day-Justice-Will-Do-Something-To-Kill-This- Scheme" is not even a Pyramid Scheme, it is a "Büchner Funnel Scheme"©, very wide on one side, at the mid-point it gets very narrow Guys, use money, be honest, stop affecting the economy for the majority with these unethical, felonious plans make money by working hard!brPlease!
Comment from : @dbernardo7226

How Bitcoin actually works: Whales and promoters pump and dump worthless tokens to the minnows
Comment from : @masterstacker2833

Come and see my work! You will gain a lot
Comment from : @tethermining1435

20:10 why does Alice should mine the fraud block on herself? Can't she just broadcast it to the users so that many people can help her to mine the block?
Comment from : @user-vs8sy7rp4p

Totally agreed it by far the easiest tobraccess and Doe's not involves physicalbrlabour
Comment from : @investmentadvice1367

This video is made with heartstep by step explained
Comment from : @Coinomic

What happens if no one “mines”
Comment from : @jeremylanier4743

THANK YOU SO MUCH FOR THIS VIDEO
Comment from : @xolaninondabula124

thank for this video nice 100
Comment from : @RonaldShaneFlynn1963

Why do we need proof of work even though we have digital signature? Why do all of us need the ledgers?? Can't we just write the transactions on the public ledger with the digital signatures? Some answer it pleaseeee😂😂😂😂😂😂😂😂😂😂
Comment from : @user-vs8sy7rp4p

Your truly, truly understand bitcoin and the systems in place now to explain this so well and to draw distinctions brbrLove your work!
Comment from : @vishnuvarma8019

Thank you grant 📈
Comment from : @Who_70

Great video explain every detail in form of everything Realy like this video
Comment from : @NoseBehindScent

Thank you!
Comment from : @alexsischin6636

ㅅㅂ 자막이 나무위키 스러워서 보기가 싫다
Comment from : @helloworld5963

This video has much more than 26 of knowledge, I watched it with slow playing to understand how deep is blockchainbrThanks
Comment from : @AhmedSC

Comment from : @alejandrodelatorre3860

Who's Charlie? 🙃
Comment from : @SenorMorgenStern

please do this for proof of stake!
Comment from : @telotawa

OJACOIN platform's trading model efficiently matches the market depth of major exchanges around the world while providing high liquidity
Comment from : @chukwudisamuel8496

bonjour brComment puis-je commencer à acheter des bitcoins et à les transférer dans mon portefeuille ? Merci brRichard
Comment from : @richardshiek9458

Ojacoin and its blockchain is one of the best which i have seen so far i believe its the feature
Comment from : @giftokpokiri9786

From the naming convention i will assume my name is Danny
Comment from : @fntthesmth423

1:27 accurate graph
Comment from : @stopitnowlol6697

Great info, learned a lot, Thank you
Comment from : @AccuseSelf1st

6:07 me, an astronomy fan: ouch, that hurt…
Comment from : @wyerscor5599

What are the kind of transactions that we are tracking inside the block ? Can we track the real world trasactions that we do in our day to day life for example the payment that we made for purchasing milk can from costco?
Comment from : @vinitsunita

This was wonderful Thank you
Comment from : @terrynicol2098

🔥🔥
Comment from : @anmolverma2911

Satoshi Nakamoto already solved the problem with BitcoinbrAll other copycat of bitcoin called altcoins are just scams that are created to enrich the founders Nakamoto quietly left the Bitcoin by letting people take control of the money Thank you for the gift Nakamoto
Comment from : @nishanlamichhane5226

Les recomendé un corredor profesional hace algún tiempo, ¿puedo conseguir una persona que haya invertido con ella?br Comenta abajobr Vamos
Comment from : @williamsdave8377

Thanks alot ofr the video i got 61 bitcions
Comment from : @synctax1017

Cryptocurrency is a very good trend, I think it is a very big market, I hope to make some friends who are also interested in cryptocurrency, we can learn and grow together
Comment from : @betty6767

this was awesome! I was having trouble on understanding the nodes vs miners as well as the random number / difficulty adjustment but this totally cleared it up!
Comment from : @mal6120

new coin gandercon buy kre
Comment from : @SonuSingh-np1go

i count myself to be successful in crypto mining with the help of Mr Brontus Darf his mining strategies are awesome
Comment from : @Rossellavanon782

I will never have anything to do with crypto
Comment from : @makeracistsafraidagain

How many different ways to pay for something do we really need? Great video, thank you!!
Comment from : @attorneysteve

Hello I have a question!brIs the proof of work number computed from the list of transactions only or the list of transactions plus the header (which is the previous hash)?
Comment from : @saya1_

This is the absolute BEST explanation of BTC I've ever seen Thank you!
Comment from : @theevolvingman1718

18:50 wait, so if even the sligthest change can affect the resulting block, wouldn't the order of transactions also able to affect it?
Comment from : @laifsyn5347

Dude you might be one of the best to explain this! Explaining complex ideas in an understandable way is a skill few people have 👏
Comment from : @dyrwtkhiehomie7887

so weird, i put in $1000 to one of these exact same thing knowing it would probably be a scam ended up mining $1800 got excited and cashed it all out, it all went directly into my bank account within an hour not sure if i just got out before they could figure out how to take all my money or what
Comment from : @aaroncook3331

【please teach me!!!】brWhen forks appear, how should miners decide which route they follow?
Comment from : @懸垂を頑張りたい大学院生

Thank you for all this detail about crypto
Comment from : @learn001

It's an extremely information dense lecture You have to watch portions of it again and again to grasp the underlying concepts But once you've finished it, you feel so damn confident
Comment from : @dhoomketu731

excellent explanation
Comment from : @samiuzzamanaabir6783

Thank you, really great explanation!
Comment from : @davidnguyen9023

If i get it right, the digital signature and cryptography secures the user for frauds, but the consensus algorithm is only good to agree which transactions go first from the memo pool, is that right?
Comment from : @strunastruna

For days im trying to understand how it secures transactions The transaction is taken from memopool, lets say randomly So if I'm sending two, or more transactions, that contradict each other, the first that will be taken and approved is the "real" one, enters the chain In the video (20:30), why would it split? Alice was first with the transaction approval, she got the hash, the block is added If bob doesnt spend any money right away, how other transactions contradict it?
Comment from : @strunastruna

W
Comment from : @johnshevcenko211

THIS is what I want to know!
Comment from : @skywhy16

Fantastic explanation Thanks!
Comment from : @mateusfernando5847

"She"? Oh dear, idealology has infected you ☹️
Comment from : @loc4725

extremely interesting with this video
Comment from : @tinhaminhvtha

hello my brothers, my company went bankrupt due to corona I couldn't borrow money from anyone I have 3 children I'm about to commit suicide as a last resort this came to mind if you donate 1 dollar my life will be saved I want your help my btc address brbc1qah93xh9yexqmr87p0f6tgrwsdse3puekjg202y
Comment from : @lexs_olivia

bc1q4yg84yrpzt37el9g9x643c4jhwr4p3hg2kmtd5 "20 increase in your BTC amount in 7 days"
Comment from : @jessegordon2867

Yes, very bank like procedure New way to look at transactions to try and bind them to an account or person but still banking 101
Comment from : @bartkorol611

Is not the first
Comment from : @TempleMadeSimple

I’ve had crypto stolen off coinbase wallet and have contacted coinbase and they can’t figure it out
Comment from : @marlanabeasley1790

Really man
Comment from : @trevinogafen6357

5 years later and I still comeback to this Blockchain explanation to check if my understanding, love it
Comment from : @Hynasek

if transactions are associated with a block, what are miners even mining? I don't see any transactions details in the block ,like block 1 of the bitcoin blockchain Why are blocks being mined (other than for its block reward) , when there are no transactions?
Comment from : @anaryz_supa2653

Nobody here would believe how I started, I honestlybrlost almost everything I had and was forced to startbrall over again, people stopped believing in me and Ibrwas getting only deeper, I started small and for abrwhile now my life has been back on track, all thanks to Mrs Rebecca Jackson, I intendbron making my kids future the best for them
Comment from : @orumakelly5362

My goal is to own 10 BTC before August and follow up with the next halving, I currently owned 25 BTC and thanks to Brandon for helping me achieve that as I started trading using his method with just 04BTC
Comment from : @spikevanhaaren8475