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1answer
154 views

Help regarding an online wallet to local wallet transaction? [duplicate]

Possible Duplicate: Why is my client software not receiving bitcoins? I use an online wallet most of the time but that was recently hacked. How I have yet to determine. Anyways, I have since ...
-2
votes
1answer
42 views

Novice and looking for guide [closed]

please I'm new to so many things here, but these are my questions. what is really required from blockchain wallet in order to successfully link it with a miner, Is it ID or Address añd how do i know ...
-2
votes
1answer
994 views

Why does electrum wallet try to send my all bitcoins to my wallet again?

Lets say my bitcoin address is A1x.. I want to send only 0.01 BTC to B1X.. but when I try to this my electrum wallet tries to this: Input: 5e2fd820...dc20cc83:9 A1x 0.04518834 8fa1efe2......
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votes
1answer
247 views

Blockchain complete architecture [closed]

Can someone give me brief description/reference about bitcoin blockchain architecture (preferably with a architecture diagram)?
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votes
3answers
14k views

Can we use google cloud service as a virtual server to mine bitcoins and is there any profitability of using their service? [duplicate]

Our computers has very less power when we compare it to the difficulty level of mining and it's very hard to get one bit coin. But to overcome the second issue there are "pools". But still the first ...
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votes
2answers
1k views

What coin could I mine with CPU now-a-days? [closed]

I have computer where I have only CPU and don't need to pay for energy. What kind of virtual currency should I mine?
-2
votes
1answer
2k views

API feed for OHLC / VWAP data in (close to) real-time

I'm interested in the OHLC / VWAP data (both historical and recent) provided via API to be used by external charting application. I don't want to use trades methods as whole process should be as ...
-2
votes
1answer
173 views

Bitcoin related research areas [closed]

I have a one year research project in my MSc curriculum. So i was suppose to address a existing issue in bitcoin protocol. Highly appreciate if someone can advise me and give me some ideas. Thank you....
-2
votes
1answer
574 views

What is a GPG Key ID? [closed]

I was looking on BTC jam and I came across something called a GPG Key ID, do you know what it is?
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votes
2answers
294 views

How to start mining Bitcoin [duplicate]

I have a strong GPU, CPU, and enough RAM to choke a goat. I have installed BitCoin Core 64, and my wallet is (finally) synced. What do I do to start mining. Do I just leave the program running or do I ...
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votes
3answers
1k views

I would like to exchange my mining earning to real cash in my bank account, then should I mine Bitcoin or Litecoin?

As a total Noob I have a CPU and GPU intensive machine and want to mine some coin to earn. In addition, I try to get the best trade of between the earning from the mining and exchanging it to a real ...
-2
votes
2answers
161 views

Would this be suitable for Bitcoin mining? [closed]

Would 10 Port Mini USB HUB High Speed 2.0 with Power Adapter Black #198 UK (on eBay) be suitable for Bitcoin mining? I have a new PC, so I don't want to damage the motherboard by using the USB ports ...
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votes
2answers
2k views

Trying to mine - nothing gets accepted

I have a quite powerful server which pretty much sits idle and I thought I'd use its cycles for some pool mining with cpuminer. However, nothing seems to get accepted. I tried two pools (bitcoin.cz ...
-2
votes
2answers
126 views

From where do portals who sell bitcoins buy bitcoins?

The internet is now full of portals who are selling bitcoins to single users. Where do these companies buy bitcoins and at what prices? Is there any central regulator who can decide critical issue ...
-2
votes
2answers
435 views

Who provides the computers and infrastructure for bitcoin transactions to happen? [duplicate]

I am new to bitcoin. I have some fundamental questions. If bitcoin does not have any centralized entity controlling it, who provides the infrastructure for the trades to happen? Does this has ...
-2
votes
1answer
140 views

Where does the purchasing currency go? [duplicate]

When someone purchases Bitcoin, where does the currency go used to pay for it? It can't just disappear. It still has value to someone.Thank you.
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votes
2answers
2k views

USB Hub for Mining Rig [closed]

I'm looking for 10-port, externally powered usb hubs. I can provide all the current at 5V that I'd need though and thus would NOT like it to come with an ac adapter. Is there anything like this? A ...
-2
votes
1answer
159 views

What's the marginal cost of ASIC production? [closed]

It's been selling for $10k. How much does it cost to produce those?
-2
votes
3answers
1k views

Why can't just any hash be used for a block? [duplicate]

disclaimer: I'm completely new at this, basic computer skills limited to GUI point-&-click I took a look at how difficulty was explained, that it is "increased" by requiring the SHA-256 ...
-2
votes
1answer
841 views

How can bitcoin be finite? [closed]

Even if a finite number of coins exist if it can be split up by sending out .000001 per say than I don't see how that wouldn't be infinate money. Because lets say you have one bitcoin that is worth 1 ...
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votes
4answers
5k views

FPGA ASIC vs Graphic Card [duplicate]

I think ASIC is the way to go. I am just making sure. By now you can no longer profitably mine bitcoins with GPU right?
-2
votes
1answer
8k views

Transaction not found [duplicate]

I sent some bitcoins to an address. The transaction seems to have been executed, and I do have a transaction hash; but when I search for it on http://blockchain.info/ it says "transaction not found"......
-2
votes
1answer
169 views

Is possible to control the network? [duplicate]

Can anyone with enough computing power, take over the network ? This is following from a previous comment where I was asking : ... how can that be possible (to control the network) if mining tend ...
-2
votes
1answer
761 views

The bitcoin miner lags my cpu 99% and how i will earn bitcoins

Bitcoin Miner program uses my CPU 99% can you just little make it no laggy and how do i earn bitcoins? in the internet sites and forums they dont sya anything about earning bitcoins
-2
votes
1answer
386 views

Bitcoin - Green mining [closed]

I would like to know whether any work known to bitcoin community, related to 'green mining'. As power consumption is main cost factor in mining, alternate energy sources like, solar / wind powered ...
-2
votes
1answer
100 views

Why is the phrase “Received with” used instead of “Received to”? [closed]

Even though I'm not a native English speaker, I feel that "received to" (some address) is more understandable or more naturally sounding to an average user than "received with". Is there any specific ...
-2
votes
1answer
141 views

recent prices changes

Over the past three weeks the prices of bitcoins in U.S. dollars has more than doubled. Does anyone know why? Is there some recent publicity that drove up interest (so that maybe prices will fall ...
-2
votes
1answer
168 views

What's the best way to ask a merchant to accept Bitcoin? [closed]

When I buy something off the internet, I'd like to ask the merchant to consider accepting Bitcoin. What's the best way to explain to a merchant what Bitcoin is, and what it would do for them? Any ...
-2
votes
1answer
23 views

Can the network confirm a utxo is from a wallet on a verified list [closed]

Given a business requirement of a verified list of wallets that the network has agreed on. can the network confirm a new type of utxo is from a wallet on this list and reject the new type of utxo if ...
-2
votes
1answer
48 views

use of base64 signature in a transaction

I understand that there are two types of signatures, one DER format and another a compact type signature which includes a base64 format. In building a raw transaction how is the base64 format of a ...
-2
votes
2answers
74 views

who controls the price of BTC? [duplicate]

latest edit [ how does the whole world know the price this two people agreed in the same second they decided to do the trade? while most of transactions run anonymously. ] i also wanna ask how does ...
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votes
1answer
181 views

How to make segwit transaction and bech32 mandatory

Is it possible to make segwit transactions (and possibly segwit address: Bech32) mandatory in the Bitcoin Core code? In other words, when a transaction is created using the wallet, the transaction ...
-2
votes
1answer
38 views

What will be the fee in $ for a 500$ transaction? [closed]

What will be the fee in $ for a 500$ transaction ?
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votes
1answer
30 views

what is the difference between blockchain and blockchain service? [closed]

they say it is good to invest in blockchain projects, as they have economies of scale and sponge off some value of the dapps built on them. is investing into blockchain services inferior ROI?
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votes
1answer
230 views

Accidentally sent BCC to q Address, not Legacy

I accidentally sent 0.25 BCC from coinspot to my wallet but I entered the qAddress. I noticed it didnt go through so checked through their help forums and found a post saying that you need to use ...
-2
votes
1answer
45 views

Is Bitcoin a stack of cards which will collapse? [closed]

Is it possible, that once all the bicoins are minted, the code is designed in such a way, that the entire ledger or stack of cards, comes tubling down and all cryptos are deleted?
-2
votes
2answers
435 views

Can someone please find the private key to this bitcoin address?

I need help this is URGENT! find the private key and send it to me. 3PbacVZwS2L5i9C2Cmz9rPu8s4qjyYkufk I really need this to pay for a bill. I have a deadline and have been trying to figure it out ...
-2
votes
1answer
50 views

How to increase payment process speed of crypto currency? [closed]

I want to make own coin. I have marketing cooperation team. I am main developer. [Questions] 1 Making coin with pow and qr-code transaction function is possible for one man developer? Me, know C# ...
-2
votes
1answer
62 views

How do I buy the bitcoins? [closed]

I do not know how to buy the bitcoins. Could someone tell me how I get rich with the bitcoins? Why are the question standards so high?
-2
votes
1answer
69 views

Buying actual bitcoins vs derivative paper products? [closed]

I bought some bitcoins on Localbitcoins and Coinbase a few months ago, as a purely speculative "investment". Now I noticed that there is a Bitcoin certificate with 1:1 leverage available at the ...
-2
votes
1answer
38 views

Ownership Question [closed]

I have a very un-tech savvy friend who thinks she purchased $100 worth of bitcoin in 2008 or 2009, but has since relocated to another state and doesn't know where her records are. Is there some sort ...
-2
votes
1answer
109 views

I have a bitcoin miner

I have a bitcoin miner I purchased 5 months ago from B and C Tech Solutions. I want to sale my server but I don't know what type it is? The salesman said it is custom made and wouldn't give me any ...
-2
votes
1answer
404 views

Payments bitcoin Error trying to send payments with RPC sendmany {“code”:-5,“message”:“Invalid BTC address: 9aK3cr3”} [closed]

someone could help me with this error: [Payments] [bitcoin] Error trying to send payments with RPC sendmany {"code":-5,"message":"Invalid BTC address: 9aK3cr3"} Since I have this error the pool has ...
-2
votes
1answer
1k views

why did assert fail when creating my own genesis block?

I am trying to create my own genesis block using the bitcoin source code but my new hashes are not being accepted by the assert statements. Step 1: I have changed the pszTimestamp variable in ...
-2
votes
2answers
141 views

Demand for bitcoin

Is it true that bitcoin demand depends on average value of addresses balance? A - sum of all Bitcoins (Satoshi) B - addresses with non-zero balance C = A/B I mean if raise C so demand gets down ...
-2
votes
1answer
426 views

Ubuntu Says bitcoind not installed

My "best" friend Ubuntu 14 says bitcond is not installed type to install: apt-get install bitcond I typed. Succesful installed. I try open whit this command in terminal/SHH: bitcond -deamon But Ubuntu ...
-2
votes
1answer
52 views

Moving bitcoins around

I am doing some reading about bitcoin and my understanding is that miners get 25 BTC for every transaction that is made. This means that even for a transaction of 0.01 BTC 25 will be generated. Doesn'...
-2
votes
1answer
86 views

Underpaid Invoice [closed]

I happened to pay a little less bitcoins than needed for my transaction (i didnt counted the currency difference) and the merchant said it was possible to either send me less of what i am buying or he ...
-2
votes
1answer
635 views

Bitcoin Mining -> A mining pool that pays in USD (preferred) or BTC per Unit Time per CPU rate [closed]

I plan on mining bitcoin, and I would like to know a good mining pool that pays in USD per Unit Time per CPU rate (preferred) or BTC per Unit Time per GPU/ASIC rate. I would like to know 1. The ...
-2
votes
1answer
65 views

Wallet account value

I have some money in my Bitcoin wallet. I'm wondering about is the monetary value which increases and decreases as the value of 1 Bitcoin fluctuates?

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