Me: I'm gonna make a new currency (call it Paper), and you pay each other with paper, and grocery stores should accept it for you to buy food, and you should accept it as a form of payment for your work
You: Go fuck yourself, why should we use that
Me: Well this new currency called Paper is going to be great
You: Where does the original Paper come from?
Me: I print it with a printer
You: Da fuq? What if you just print more for yourself?
Me: Ok, I'll keep a ledger of all the Paper ever created and all the transactions that have occurred with Paper
You: That makes you like the US government or Treasury, the source all money, except you're a no-body. What if you die or you fudge the ledger
Me: Ok, I'll have other people print the money instead. And, I'll print on every Paper the history of that Paper and all the persons it has changed hands through and the printer that printed it, so the ledger (history) is on every Paper
You: That's ridiculous, who would be able to read so fast
Me: I'll assign verifies
You: Who's gonna volunteer to do that dumbass job
Me: Verifiers will get paid a transaction fee, and each time they verify a transaction, they can also print out a little bit of new Paper (newly created) to keep for themselves. This will also slowly put more of this new currency into circulation as time goes on and people want to exchange money.You: So the verifiers are also going to be the printers?
You: You're a dumbass, because you're gonna need a bunch of scanners to read the Papers
Me: Fine instead of using actual paper, I'll make everything digital
You: Does every verifier verify every transaction?
Me: Let's call the printers/verifers "miners". Every Paper transaction that goes on in the world gets a unique ID and is broadcasted out to every miner. Whoever is the first miner to finish verifying all the ledger and verify the transaction gets to keep the transaction fee and create a little bit of new Paper to keep for themselves, and then immediately tells all the other verifiers that this transaction ID has been done, along with the ID of the new Paper and who it belongs to
You: You're gonna transmit all that information for each transaction? There could be thousands of transactions a second
Me: Fine, we'll group the transactions into blocks, called blocks.
You: What if there's a tie
You: Ok, if we believe in your Paper currency, how are you going to go about transitioning the world to use this new currency?
Me: Have a currency exchange - pay some USD for some Paper
What gives Bitcoin its value?Because people believe it can be used to buy things. That is why any currency has value - becaue people believe in it.
"Bitcoins do not have value as a physical commodity like gold and are not widely accepted as legal tender like dollars. Rather, Bitcoin appears to have value for the following reasons:
It is popular. In short, people accept and trade in Bitcoin because other people accept and trade in Bitcoin. It is recognized and accepted as a currency by many."
Follow up, how did Bitcoin arrive to its current popularity?
1. Because an initial group of people liked the ultimate goal of Bitcoin:
"The end goal is to enable people to transact among themselves without these transactions being controlled by governments and mega corps. To enable monetary freedom."
"Bitcoin is decentralized and limited. This is a major factor for many Bitcoin users. Bitcoin is hard for governments to trace and tax. Also, unlike fiat money produced by central banks, there is a cap set on total Bitcoins, limiting how much the currency can devalue through inflation."
2. Because an initial group of people liked the rules and algorithms describing and defining how Bitcoin operates - which helps Bitcoin reach its end goal. (Read the original paper to fully understand those rules)
3. Because other people use it (network effect)
Read more: Why do Bitcoins have value? | Investopedia https://www.investopedia.com/ask/answers/100314/why-do-bitcoins-have-value.asp#ixzz4ypjrCHt9
One reason Bitcoin is popular is that it is decentralized. What does decentralized mean?
The faith we have in the USD is because we have faith in the US government backing that dollar. The US government is centralized, as in it's the source of the laws and police and military backing and enforcing everything. If someone pays you $1USD. You can go to a bank and ask if it's real, you can also find laws about how legal tender works and how it is backed up by the law.
To have faith in a decentralized currency means to have faith in some system that doesn't need the government that has laws, police, and guns. Well, bitcoin has algorithms that you can think of as laws, and those algorithms allow it to be decentralized. If someone pays you in Bitcoin, instead of going to the government to have faith it, Bitcoin has a DECENTRALIZED system of computers that run algorithms that then tell you that the Bitcoin you just received is trustworthy. The computers are known as miners.
What's mining? What's the incentive behind it?
As mentioned slightly earlier, a decentralized system needs to verify that a transaction is legit. This decentralized system of computers needs to be pay electricity bills. So there must be some incentive for them to verify transactions.
The incentives they get are:
- They get paid per transaction via a transaction fee
- They MAKE some bitcoin for every Block they add, called a block reward.
These mining machines are rated at TH/s (tera-hashes per second).
What's a block?
A block is a list of transactions. A block has a list of all the transactions that have occurred (who paid whom at what time and how much) since the last block that occurred.
"A block records some or all of the most recent Bitcoin transactions that have not yet entered any prior blocks. Thus a block is like a page of a ledger or record book. Each time a block is ‘completed’, it gives way to the next block in the blockchain. A block is thus a permanent store of records which, once written, cannot be altered or removed."
Read more: Block (Bitcoin Block) Definition | Investopedia https://www.investopedia.com/terms/b/block-bitcoin-block.asp#ixzz4yq42RQt2
Why is there a cap of only 21 million Bitcoins?
21million is an arbitrary number. What matters is that it is infinitely divisible.
Everyone needs to earn, save, spend or pay with a piece of the pie. All users need to know is what fraction of the pie do I control? and not how many ounces, pounds, Kg, or tons is the pie. That is just a number.
Why is there a cap at all?
-No cap means there would be inflation (future "printing"/"mining" of bit coin), but inflation is quite dishonest.
Satoshi modeled bitcoin after precious metals. Mining increases in difficulty over time similar to how gold mining becomes more difficult. This scarce supply gives bitcoins value.
What happens when all 21 million Bitcoins are mined?
How will miners get paid?
They will have to rely on transaction fees.
Is the creator of Bitcoin rich?
Yes, most likely.
"Looking at 2009 alone, 32,489 blocks were mined; at the then-reward rate of 50 BTC per block, the total payout in 2009 was 1,624,500 BTC, which at today’s prices is over $900 million. One may conclude that only Satoshi and perhaps a few other people were mining through 2009, and that they possess a majority of that $900 million worth of BTC. Someone in possession of that much BTC could become a target of criminals, especially since bitcoins are less like stocks and more like cash, where the private keys needed to authorize spending could be printed out and literally kept under a mattress. While it's likely the inventor of Bitcoin would take precautions to make any extortion-induced transfers traceable, remaining anonymous is a good way for Satoshi to limit exposure."
Read more: Bitcoin https://www.investopedia.com/terms/b/bitcoin.asp#ixzz4yqK52fWM
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How does Bitcoin get created? What dictates the rate of their creation?
Answer: the original white paper.
"A mathematical problem is linked with each block. Miners are constantly processing and recording transactions as part of the process of competing in a type of race. They race to ‘complete the current block’ in order to win Bitcoins. When a winning miner is able to solve it, the answer is shared with other mining nodes and it is validated. Every time a miner solves a problem, a newly minted 12.5 BTC (Bitcoin currency symbol) is awarded to the miner and enters the circulation. The first record in that next block is a transaction that awards the winning miner (who completed the previous block) the newly minted BTC. It is the difficulty of the mathematical problem that regulates the creation rate of new Bitcoins since new blocks can’t be submitted to the network without the answer. Based on the fact that it takes around 10 minutes on an average to solve the problem, approximately 12.5 new Bitcoins are minted every 10 minutes."
Read more: Block (Bitcoin Block) Definition | Investopedia https://www.investopedia.com/terms/b/block-bitcoin-block.asp#ixzz4yqLKJn1T
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Transactions are broadcasted by anyone in the system and at random intervals. Which transactions, of all the ones broadcasted, are included is very dependent on the miner, as he/she is the one who groups them up and includes them in the block. As Nate noted below, there is also a 1MB block size limit which limits how many transactions can be included in a block. This limit is to prevent huge blocks that clog the network and may be removed if the number of transactions in the network ever grows such that the limit is a serious factor.
Good miners accept all transactions with the standard 0.0001 BTC fee (which is mainly a spam prevention measure). Bad miners are selfish and avoid including transactions to decrease their propogation time. For example, look at this block to see an example where a miner didn't include any transactions except for their own reward transaction.
If you look at https://blockchain.info/ then you can see how many transactions are included in each block.
As far as priority goes, again it depends on the miner, but in general miners like bigger fees and smaller transactions and may prioritize them that way.Source: https://bitcoin.stackexchange.com/questions/30019/how-many-transactions-in-one-block
When I buy Bitcoin with Fiat money (e.g. USD), where does the USD go?
It goes to whoever gave you the Bitcoin. That seller also had to pay USD to get that bitcoin, or had to "mine" it, and pay electricity bills for mining it.
"When you buy an ounce of silver bullion at the coin store, who gets the money?
The person who held the coin before you did.
All bitcoins are first issued to miners. From there, miners use those coins for trade or exchange. So when you buy a bitcoin with cash, you are buying it from someone who owned it but initially it was obtained from a miner."
What does it mean now that you have "bought" bitcoin?
It means a new transaction regarding a transfer of some Bitcoin to your address was inserted into a block. That Bitcoin can be traced all the way back through all the hands it has changed to its initial creation.
Yes, you do own the Bitcoin, but it's not like owning a piece of $1USD paper that only has value and no history. With Bitcoin, you own a Bitcoin because the universal transaction ledger shows that a Bitcoin was transferred to your address.
"Remember, bitcoin transactions are stored publicly and permanently on a network, which means that anyone can see the balance and transactions of any bitcoin address. However, only the bitcoin exchanges and/or the parties involved in the transaction can attach the addresses to a real person. So for the most part, the transactions are anonymous."
Does each Bitcoin has a string value or something?
No. Because that would make Bitcoin just like paper money, except much worse because you can just copy/paste the string.
There is only the ledger (history) of all transactions about which Bitcoin address sent how much to some other Bitcoin address.
When I buy Bitcoin from Coinbase, is there a Bitcoin transaction fee?
No, that transaction fee is transaction from Bitcoin to Bitcoin.
But if you're just buying Bitcoin with cash (from a bank or credit card), then Coinbase charges its own fees. That is approximately how Coinbase makes money.
Why does the cost of 1 Bitcoin keep rising or fluctuating?
What is the exit plan with Bitcoin?
With a regular stock:
- If I'm day trading: I don't care about the future of the company, I just care about the stock's voltitlty and liquidity (and averages, stats, etc)
- If I buy and hold: I except the company to keep on growing in value because I really believe in the company's mission, it's technology, it's people, etc. I might hold on to that stock for years, or only just sell it for retirement money. I would need faith that this company will continue to stay around and will continue to grow. (If it got too big, to a point where it's regulated and required to split, your shares will be divided or something, and you can continue assuming each portion of the company will keep growing, because overall, you believe in the company)
But what about Bitcoin?
- If I'm day trading: Same thing. I don't care about the future of the concept, I just care about the bitcoin's volatility and liquidity (and averages, stats, etc)
- If I buy and hold: I expect Bitcoin to keep on growing in value because I believe in its mission, it's technology, and the people behind it.
- Is this true of me for Bitcoin?
- If yes, I can buy some coins and sleep easy and just wait it out
- How to get to yes:
- study up on all the possible future outcomes of Bitcoin
- feel confident about it
- If not, then I am essentially day trading
- Then I don't need to know all the technology behind bitcoin and really believe in what it's doing
- BUT I DO need to
- understand the volatility and liquidity of Bitcoin and how to take advantage of it
- understand the psychology behind what's driving Bitcoin's price
- what humans will do next
What about ETH?
What about Litecoin?
What's an ICO?
Are tokens like "shares" from an IPO?
Are utility tokens like "logins" of a normal website?
Is it too late to get into Bitcoin?
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