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5 votes

How do exchanges keep relatively similar price on coins?

If I could buy a bitcoin on Exchange A for $2,000, turn around and immediately sell it on Exchange B for $2,500, and make an immediate profit of $500, I would do that all day long, and get rich! But ...
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  • 1,334
5 votes

Why did Bitcoin lose value so fast in early January 2015?

Adding to my answer on What are some of the proposed ideas to why the Bitcoin dropped to sub $400 in the end of summer 2014?, which I think is still mostly accurate: Bitstamp loot There are about ...
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  • 62.5k
4 votes

What were the dates of Bitcoin's previous price plummets prior to 2015? What articles were written about it?

The most notable cases were: In 2011, the price reached a peak of $32 in June, and went down all the way to $2 in November. A decrease by a x16 factor, or 93.75%. In 2013, the price reached a peak of ...
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3 votes
Accepted

How Do I Calculate the profit of the value of my bitcoin?

The simplest way to calculate would be: averagecost = ((BTC[t0] x USD[t0]) + (BTC[t1] x USD[t1]) + (so on))/total_BTC where t0,t1 and so on are different time when you bought. The above gives you ...
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  • 1,073
3 votes

Any supervisory power on earth to ensure that Bitcoin system will remain resilient if hashing conditions change rapidly?

Bitcoin is a decentralized currency and there is nobody with "supervisory power" over it. Anyone is welcome to suggest improvements to the protocol (changing hashing rules or anything else) at any ...
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3 votes

Why did Bitcoin lose value so fast in early January 2015?

1) I don't know anyone actively uses Bitcoin, or other altcoin, that is not mining it and/or trying to profit from it. 2) Bit coin price fluctuates, so as a business I would only use it to process a ...
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  • 31
3 votes
Accepted

Is there a calculation for exchange rate stability?

This site can help you calculate the beta of Bitcoin: https://btcvol.info/ "What definition of volatility does btcvol.info use? The standard deviation of daily returns for the preceding 30- and 60-...
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  • 373
3 votes

Digital currencies pegged to dollar value

NuBits is really interesting in how it pegs to the USD, which they explain in the white paper. I'm guessing you don't want to go hunting through there (white papers can be ... daunting), so the short ...
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  • 355
2 votes
Accepted

Cryptographic "Central Bank"

It would be pretty easy to implement this using the Bitcoin source: Have the central bank generate a private key K. Hardcode the corresponding public key into the source. Modify the transaction ...
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2 votes
Accepted

How do goods & services sellers manage price instability?

This isn't an account, but it covers anything an account could. They update their prices based on how many USD they want for the item and the current BTC/USD ratio. There's even an electronic price ...
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  • 591
2 votes

How Do I Calculate the profit of the value of my bitcoin?

First of all, let a number of bitcoins be bought and (x1) is how much you paid for it. Now the price of 1 bitcoin changes Then you use the formula: x2= (New value of 1 bitcoin)*(Number of bitcoins ...
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2 votes

Bitcoin Cash: Reasons for price fluctuation

There is really no way to know why the price of BCH went up recently, but a few of the possible reasons are: People converted BTC to BCH after the planned 2x hard fork fell through source People are ...
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2 votes
Accepted

dollars being sent to me for no reason?

I'm not sure if you're trolling or not, but 200 bitcoins is currently worth ~2,357,000$. ( Which seems to pretty aligned with the number you are giving.) There's no virus/scam or bug, the price ...
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2 votes

Why do prices of all cryptocurrencies move in sync?

The reason is that many altcoins are traded in BTC/ALTcoin pairs, not $$/ALT pairs. So if an altcoin is trading 0.1 BTC/ALT, and the dollar price of bitcoin falls, then the $ price of the ALT will ...
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  • 17.2k
2 votes

How to avoid contagious media stories affecting Bitcoins?

Can crypto's achieve the same shop use? For Bitcoin, the trend is in the opposite direction. Bitcoin’s soaring transaction fees, following the digital currency’s 1,300 per cent surge in value in the ...
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2 votes
Accepted

Why would people buy bitcoin these days if its too expensive?

What you are probably missing is the fact that you can buy partial bitcoins, you don't have to purchase a whole bitcoin at once. You could buy a small bit of bitcoin for $20 if you wanted, it can be ...
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  • 11.3k
2 votes
Accepted

How does Bitcoin protect against inflation?

Inflation is increase in price without increase in utility. A car with similar features helps you get from point A to point B just like it did one year ago (same utility). However, the cost of the car ...
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  • 6,898
2 votes

How to deal with bitcoin/crypto volatility as an online casino?

Do players gamble in USD or in BTC? If players gamble in BTC then it is not your problem to deal with. You just deal in BTC and take a cut of the BTC. If the player who wins BTC ends up losing USD, ...
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1 vote

Demand for bitcoin

No. Because an individual can spend more than 1 address. Therefore your formulation is not an accurate depiction of activity or demand for bitcoin.
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  • 2,378
1 vote

Volatility-reducing investing strategies in Bitcoin?

localbitcoins - cheap - spread cost min 2.5 % + 1 % (transaction fee) but more time and your work. Big market. Bitpay (used by Airbaltic company) - easy, but more expensive. Waiting for better ...
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1 vote

Why did Bitcoin lose value so fast in early January 2015?

Bitcoin’s price has crashed. There is simply no other way to describe the -40% price decline that occurred in the first two weeks of 2015. It’s dismal, it’s disappointing and it’s a normal part of ...
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1 vote

What does the value of bitcoins depend on?

The value is unstable because it's a small and speculative market. People don't really understand what bitcoin is and they can be lead to believe many things.
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1 vote

Why did the price of bitcoin increase so dramatically?

Bitcoin is a digital asset that is impossible to counterfeit, easy to transfer globally, and scarce: the bitcoin supply is strictly limited to less than 21 million. Bitcoin is akin to cash—payments ...
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  • 62.5k
1 vote

Why did the price of bitcoin increase so dramatically?

some reasons for the price-increase: -bitcoin becomes an official currency in japan -Australia Will Recognize Bitcoin as Money and Protect Bitcoin Businesses, No Taxes -many people know/buy bitcon ...
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  • 747
1 vote

Why isn't the price of BTC rapidly growing due to WannaCry?

I've read somewhere that around $6000 had been paid in total; at roughly $500 per ransom that's 12 people who actually paid. That's a speck in the ocean.
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1 vote

Bitcoin Volatility

If the respective Nation or company had immensely deep pockets, they could guarantee the Bitcoin price for some time by erecting immense buy / sell walls on all major exchanges. This is suggested for ...
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  • 62.5k
1 vote

What are the political and environmental implications of growing Bitcoin electricity consumption?

It seems to me that since block reward and mining industry gross margins are reasonably steady in the short term, that if Bitcoin were to (say) rise ten fold in price similar to previous rises eg. at ...
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  • 28.6k
1 vote

Bitcoin alert service if price dips or rises by a percentage base?

I use Cryptocurrency Alerting. It has percentage price alerting, but it also has alerts for when coins get added to new exchanges, wallet transaction monitoring, and bitcoin mempool monitoring.
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1 vote

Bitcoin alert service if price dips or rises by a percentage base?

Try https://www.kryptolabs.io its for Facebook Messenger pretty neat and of course the other ones mentioned here.
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1 vote

Bitcoin alert service if price dips or rises by a percentage base?

Currently I'm using vertfolio https://vertfolio.com, it’s new but simple and easy to use, they have alerts based on the percent of the change ( daily and hourly ).
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Only top scored, non community-wiki answers of a minimum length are eligible