Regarding the statistical analysis of data.
1
vote
2answers
116 views
How many Bitcoin addresses are there?
I was wondering where I could see how many unique addresses currently exist in the blockchain, and especially how many of those have a positive balance. Is that data available somewhere?
2
votes
1answer
167 views
Testnet Bitcoin Generation Time
2 Parts to this.
1st - What is a typical winning block (I get coins) generation time when running on testnet.
Ive done numbers with calculators and all that but given I cant work out accurately ...
2
votes
1answer
117 views
Analysis on the Block Chain for Dead Bitcoins
My understanding is that the blockchain is currently 6.5 GB in size and will continue growing at a fairly hefty rate. Has anyone attempted to analyze the blockchain to attempt to determine dead ...
3
votes
1answer
84 views
Metrics to Study the Bitcoin Economy
I'm creating a course on the Bitcoin on Udemy that serves as both an introduction to the bitcoin and also a source to explain how mining and speculation work. I'm working on lecture three which is on ...
0
votes
1answer
140 views
Is there a way to estimate total number of bitcoin users/wallets? [duplicate]
I was looking at Bitcoin Wiki. It estimated 60,000 users (Sep 2011) based on
counting the number of bitcoin clients connected to the network in the last 24 hours.
Another possible estimate could ...
3
votes
4answers
202 views
What if I create a new address and I'm given one which clashes (already exists, it is being used by other user)
Addresses are like GUIDs, no? They are created randomly whenever you request the creation of a new address.
But what if when creating one, it clashes with one already created? I know that the ...
0
votes
1answer
88 views
Measuring levels of hacker participation on the Bitcoin network
Is there any reliable way of estimating the number of black-hat hacker controlled miners? I was thinking about the common wisdom that BitCoin should have been implemented with a hashing mechanism ...
2
votes
1answer
82 views
How much escrow/ Multi-signature transactions are done?
I have read here about the possibility of Multi-signature transactions. Is there a statistic available how much of these are done?
2
votes
1answer
37 views
What was the intended benefit of truncating the Target?
I'm thinking about how the Target value is truncated to and later compared to the SHA-256hash of the Block Header.
Given that
The maximum target (lowest possible difficulty) is
...
10
votes
2answers
328 views
Is Bitcoin Days Destroyed a measure of hoarding?
Is Bitcoin Days Destroyed a measure of hoarding? Also, is it possible to derive velocity of money (i.e. bitcoin) from Bitcoin Days Destroyed?
3
votes
1answer
93 views
Does a Vanity Address reduce the randomness / entropy of the private key? Is there cryptographic proof?
Since a vanity address discards many "valid" keys in order to find one that matches a pre-determined string, I think that the "randomness" of the data would be reduced, thus weakening the key.
Is ...
2
votes
1answer
212 views
What's the probability of vanity pools causing RIPEMD-160 (public key hash) collisions?
As Bitcoin vanity pools become more popular, the possibility of using that power to derive another person's Base58 public key hash becomes slightly more likely.
I'd like to know if anyone has done ...
1
vote
1answer
186 views
What is the math behind popular Bitcoin graphs? I want to graph Namecoin (or similar *coin) technologies?
How can I create graphs similar to http://bitcoin.sipa.be, and blockchain.info for Namecoin?
For example this thread discusses how to analyze difficulty over time and provides this equation and ...
3
votes
2answers
146 views
Tracking Hash/sec of major pools and individual (solo) miners
I'd like to get a list of the hash power of the major pools, solo miners, and if applicable undocumented hash networks. How can I obtain this information?
If this information already exists, how did ...
4
votes
2answers
506 views
Is there a chart that shows Mhps mint speed over time?
My BitMinter client says that my approximate mint speed is 0.0078/per day on a MacBook Pro Retna.
I assume that this value decreases as the speed of the network increases, and therefore my ...
2
votes
1answer
128 views
What is the standard deviation of block generation times?
A block is generated every 10 minutes, on average.
What is the standard deviation of this distribution?
It seems to be a measurable property, not a calculable one.
Is there a chart of the standard ...
4
votes
1answer
102 views
Does variability of block solution time change as difficulty increases?
We know that the expected average time to solve a block from any given point in time is 10 minutes when the network hash rate matches the current difficulty.
However, as difficulty increases are we ...
3
votes
1answer
122 views
BTC Days Destroyed, Lifo or Fifo?
Imagine I've got 100 BTC in my wallet, which I accumulated at different points of time. When spending a fraction of my BTC, e.g. 10 BTC, which one of my 100 BTC do I actually spent? The last one I ...
1
vote
1answer
109 views
What's the easiest way to gather/collect statistics on the bitcoin network?
Basically, how does a site like bitcoincharts.com gather its statistics? I like coding in python if you want to offer code examples.
4
votes
1answer
62 views
How can you estimate the net amount of transactions? (deducting change)
The change is usually to a different address, and it could be more or less than the amount sent to the recipient. It seems like a crude estimate would be to just randomly remove one output (assuming ...
5
votes
3answers
330 views
Demographics on Bitcoin users?
Speaking with a large group about Bitcoins lately, I noticed that most people there came to like Bitcoins for different reasons. The shady ppl wanted drugs, the accountants wanted to avoid taxes, the ...
11
votes
1answer
464 views
What is the expected time until the next block is found?
http://bitcoin.stackexchange.com/a/3908/659 says:
Luckily, you'll only have to wait five minutes on average for a block to be found (blocks are one every ten minutes, so the expected delay until ...
9
votes
3answers
400 views
How popular are alternative clients?
Is there any data available on how many people use an alternative client in contrast to the Satoshi client? Alternatively, is there any data on how many times such clients have been downloaded?
3
votes
1answer
191 views
Bitcoind statistics
I need to get some values to find how updated my bitcoind client is.
For example, I would like the GUI to tell me:
If it is up to date. If not, show blocks/total blocks
How many blocks have been ...
3
votes
2answers
887 views
How to get statistics about Bitcoin users?
Because each Bitcoin user can operate multiple Bitcoin clients and wallets, and not every user runs the client constantly, it seems very difficult to gather data about the Bitcoin community.
It's ...
3
votes
1answer
133 views
Is there any way to measure relative occurrences of wallet theft over time?
Soon after Bitcoins became valuable enough to be worth stealing, I started seeing news about viruses/malware that steal Bitcoin wallets. Presumably, wallet encryption has reduced the level of this, ...
15
votes
2answers
2k views
How many Bitcoin addresses are/have been carrying a balance?
Bitcoin addresses can be generated at will, and the theoretical limit to their number is high. Addresses are constantly being generated to receive funds or balance transactions, but they are also ...
12
votes
4answers
754 views
Any statistics on usage of Bitcoins by region or country?
I would like to know if there are any statistics on turnover of Bitcoins for each country in the world. A very rough way would be to get a statistic on which traffic to Bitcoin.org by country.
5
votes
2answers
148 views
Uptime and other service performance levels
Other payment networks have scheduled maintenance periods as well as unscheduled outages but Bitcoin's network, being decentralized, can have varying service levels depending on:
which versions of ...
8
votes
2answers
196 views
Is there a chart of Bitcoin merchants over time?
Does there exist a chart documenting the number of bitcoin merchants over time, and if not, would it be possible to create one from any available data source? (I'm thinking mostly of ...
8
votes
2answers
471 views
What does a comparison of Bitcoin Days Destroyed say about Bitcoin vs Namecoin vs SolidCoin?
The Abe blockchain explorer provides statistics for percentage bitcoin days destroyed, using the generic term "% CoinDD". Currently Bitcoin is 36.1245%, Namecoin is 41.5547%, and SolidCoin is ...
14
votes
3answers
694 views
Bitcoin usage charts
There is a lot of data out there about BTC prices, but are there any simple charts which show how much is Bitcoin really used? Something like number of Bitcoin transactions per day/week, or daily ...
42
votes
4answers
23k views
What are “bitcoin days destroyed”?
The concept of bitcoin days destroyed has been proposed as a measure of bitcoin volume, however, I don't think the bitcoin wiki really explains the idea very well.
What is the purpose or advantage of ...
3
votes
3answers
435 views
Are there statistics on how Bitcoin holdings are spread among addresses?
I'm aware an address can belong to multiple people, and one person can have multiple addresses. Still, I'd like to assume the number of accounts per person is O(1) on average.
Are there statistics on ...
13
votes
4answers
606 views
Is there data on the geographic distribution of bitcoin users?
If you are a company wanting to adopt bitcoin as a payment method or an academic wanting to study the bitcoin market it is important to know as much as possible about the bitcoin users. Since bitcoin ...
7
votes
2answers
272 views
Where can I find a graph of the current size of mining pools?
Where can I find a graph of the estimated size of each mining pool relative to the overall hashrate of the entire bitcoin network?
