Personal Finance and Money Stack Exchange
Personal Finance and Money Stack Exchange

Questions tagged [cryptocurrency]

A cryptocurrency is a digital or virtual currency that uses cryptography to secure transaction records, to control the creation of additional coins, and to verify the transfer of coin ownership.

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How is Bitcoin useful as a currency if so few services accept it?

I've done research on bitcoin and I know what it is and how it works, kinda. I've even built a small block chain app. What I don't understand, and I haven't been able to find the answer to, is if I own some bitcoin, how does that help me buy…
King Wilder
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Why has bitcoin gained so much in the past year?

Over the past year, the value of bitcoin has gone from 1030.82 USD on 3 Jan 2017 to 10755.89 USD today. That's a price increase of 1000%. I'm only an amateur investor, but in my mind that increase is astounding. I've got a couple of non-digital…
stanri
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Is it safe to invest in cryptocurrencies such as bitcoin?

How safe is it to invest in cryptocurrency? I see bitcoin going up almost every time I look at its market value. How can anyone be sure it wouldn't crash in the future?
user108555
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How do you best explain cryptocurrency to an 8 year old

Background I have a family friend with two kids. When the kids were 1 I bought them shares of stock that were transferred into a UTMA for them, figuring they had enough toys and wouldn't remember another, and 20 years of appreciation would make…
Nicholas
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When Can Cryptocurrency Cease to Exist?

For stocks, it can cease to exist due to the firm's bankruptcy or merger. If possible, when and why can a cryptocurrency cease to exist? For example, is it possible for Bitcoin to suddenly become value $0 at some point? I am actually looking for a…
Frank Swanton
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Is Bitcoin investing wise?

Is Bitcoin or any other crytocurrency a wise investment? I have invested a little Bitcoin and Bitcoin Cash. They go up then down and back up. Is another crypto currency better or is this too risky for a small investor. I’m 70, just retired from…
David G
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How can new cryptocurrencies form when the 51% attack exists?

Recently, I learned about the concept of the 51% attack which a malicious actor could perform on a cryptocurrency. Essentially, if you can control >50% of the hashing power for a given cryptocurrency, you can control the blockchain which allows you…
zephyr
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How do cold wallets know how much money you have so quickly?

From my understanding, you have to recheck most of the blockchain just to see if people have sent money to you. Outgoing transactions would just be remembered on device right? So how can wallets like Coinomi be so fast?
Manglemix
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Sending money from USA to Cuba or Russia via bitcoin

Suppose you an in a country (such as Cuba or Russia) where US credit cards and wire transfers don't work. You run out of cash and need money. Is it possible to transfer some money from a US bank or credit card to a bitcoin account and then withdraw…
Physiker
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Open Interest vs Notional Value of Open Interest, what's the difference?

so in binance trading data, I came across with this where the open interest is falling but the notional value of OI is being steady. my understanding is that Open Interests represents the number of unsettled contracts and notional value is like the…
Kanna Kim
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Accidentally sent cryptocurrency to wrong address

I was exchanging cryptocurrency with Changelly when I noticed after the fact that I put in the wrong address. I know I'm probably out of luck, but is there anything I can do to get it back? I have no affiliation with this wallet address. I have…
Salocor
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What is this action? (Bitcoin Group SE)

As I am using Degiro, I have no access to cryptocurrencies. However, when looking for "Bitcoin", I found this action: Bitcoin Group SE It looks like the chart of this action is following the bitcoin one. So what is it exactly? Thank you for your…
Another Dude
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Is there a difference between "spot price" and "market price"?

I'm learning about buying crypto at "spot price" as buying in the price it is at "this moment right now on the spot". But isn't that the same as "market price"? If not, what's the difference? The term spot price seems to be used while talking about…
Pineapple29
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Crypto Trading - advertised price vs actual price

I've bought some crypto, and it's sitting in my coinbase account. Let's say it's now worth x dollars. My question: when I click "sell" at that point, will I be sold exactly x dollars, or will it be something else? (Not including transaction fees or…
nz_21
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Is there a cryptocurrency with transparent and clear ledger?

It seems that the current trend in the cryptocurrencies is to to strive for more anonymity and untraceability but since there is a danger governments to try to shut them down because of the money laundering and terrorism funding concerns I was…
Ognyan
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