# What is Bitcoin

It seems almost impossible to explain ״What is Bitcoin” to someone who is new to it. After going through every possible tutorial I decided that the main reason people don’t understand what Bitcoin is, is due to the fact that the explanation is usually too technical. So I decided to create my own “What is Bitcoin for Dummies” video. 2:40 minutes of a completely non technical, simple explanation.

And here’s the text version:

Imagine for a second that you are in charge of the task of inventing money. But you get this task today, not in the 12th century when money was initially invented. You’re basically asked to find a way for people to exchange an agreed value between one another.

I know it’s hard, but try to think, if this was done today, would we really be using metal coins and paper for this ? Perhaps we can find a better way ?

What if we wrote down somewhere, maybe in an electronic ledger what value each person has. This way we can keep track of how much value every person can spend. So if I for example do some work for you, you would probably give me some of your value in exchange. Let’s name this value “Bitcoin”.

But how will people be defined in this ledger ? I mean, how will someone send me value or Bitcoins….I guess we will have to give each person a unique identifier or address. We will keep track of which address (or person) holds which value. These addresses are known as “wallets”.

So we’ve decided to write down in our ledger which address, or wallet, holds which amount of value. This ledger is called “The block chain” – and it keeps all of the transactions from the beginning of time.

Now it’s time to make sure that everyone follows the rules. How can we do this ? How can we insure that no one cheats and says that their address has more value then what they actually own ?

I know! We’ll spread this ledger around to tens of thousands of people, so whenever someone wants to transfer some of his value in order to get something we can check to see if his story adds up to what everyone else thinks. If he’s good for his value, we will let him spend it.

But why would these people want to carry this ledger on their computer, and who has time to verify all of this each time a transaction is made ?

Well, what if we rewarded people who did this with value, that could be a good idea. Hence the “miners” were born. Tens of thousands of people who get paid in Bitcoins for going through the ledger, making sure that everything is in order and that no one is cheating (including themselves).

You’ve just invented a modern solution for money!  And that’s exactly what Bitcoin is…A digital decentralised currency…

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Mike

Hi, I understand you created very simplified explanation in order to give basic idea what is it all about. Still, there is one important aspect not explained at all. From the day the money was invented (and BTW it was not in 12th century, you can read in Bible that Patriarch Abraham bought the lot to bury his wife with silver coins), the kings and later governments had the authority to issue currency and legislate its use. It was never “maintenance free” Now, in your example, there is a conglomerate of “many many” computers, who have the job of “Proof… Read more »

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sharon

Compensation for the necessary burden of verifying blockchain legitimacy seems a rational meaning for “mining”. Yet I keep reading that “mining” is performed by solving very difficult, resource-hogging math problems for bitcoin prizes. I like your definition better, but how do you reconcile your description to the math problem one?

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Mike Prangs

Is there any danger of Governments shutting down bitcoin and loss to everyone?

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Mike Prangs

Hello Ofir ! Thank you so much for your simple explanation of bitcoin. I have looked at various sites to see how it works but always declined getting involved as I was never sure of what I had read. Now it seems a lot clearer. I knew that eventually i’d find someone who could relate to simple old me. I hope to get more insight as I watch the running commentary. Thanks again

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Shayon Smith

Can you please explain how does someone who has no bitcoin get value? Where does it begin….how are bitcoin earned? Where does it start?

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S

Let me get this straight. Somebody wrote the code for the block chain and then locked himself out of it so he could never alter it or influence it again . . . ever. And now Bitcoin is wholly autonomous and utterly hack proof forever. Yet every other piece of software or app needs routine updates to function properly. And nobody, not even the guy who wrote the original code, can simply give himself a bunch of Bitcoins. Sound about right?

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Dick

Excellent explanation about what Bitcoin is. i have one question about the ‘miners’. I understand their function but how would you describe the comparable role in the Non-Bitcoin world of financing? In other words who is responsible for maintaining the integrity of the Dollar, the pound the Franc etc.?

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Anonymous

What if the individual has no value? We live in a society were large portions of the society lives off of the government, food stamp, aid to dependent children, welfare, drug sales, under the table work the society of today is fractured, and a large portion of the community either has no real value, or has gone to lengths to hide any value they may have from the government structure? And, how is the value of those who don’t share their value with any or the amount or choose to want to remain off the grid, what then, what happens… Read more »

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janet

bitcoin is the digital currency which is safe to use,people can manage their finances without consulting banks,but being their own banks.

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