Questions tagged [address]

This tag should be used for Bitcoin addresses. A Bitcoin address is an encoding of the hash of an ECDSA public key or a script. Knowledge of this value allows a user to send Bitcoins to another person over the network. Bitcoin addresses begin with a '1', '3', or 'bc1'. Not to be confused with mailing addresses or IP addresses.

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3
votes
1answer
316 views

What is the btc.to address shortening algorithm?

How does the btc.to address shortening algorithm work? Is is a deterministic algorithm, that is, it can be reproduced on other websites with the same results, or are the results specific to the ...
2
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1answer
172 views

What is the “wallet export format”?

The "wallet export format" is mentioned at the Wiki page for Mini private key format, but it doesn't seem to be explained on the Wiki. How does one convert the export format to and from corresponding ...
10
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1answer
8k views

PHP script to create private key & public address

Does anyone have an PHP code that can do what is done on this website: https://www.bitaddress.org Namely create private keys and associated public addresses?
6
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2answers
533 views

Two bitcoin addresses - Can you link them together?

I'm new to bitcoins and I was wondering; if I generate an address, add money to it (from MtGox for example), remove the address and use another address in the future. Would it be possible to link ...
7
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1answer
4k views

Bitcoin script example

Is there some good example on how to process a basic tx's scriptsig and get the recipient's address from the raw transaction?
3
votes
1answer
421 views

FirstBits address shortening algorithm

Is the algorithm used by FirstBits to create their shortened addresses described anywhere, so that anyone wanting to automatically generate them could generate the same result as asking the website ...
7
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1answer
4k views

How fast can one generate Bitcoin addresses?

Seeing as the topic of generating address conflicts comes up every now and then, I am wondering if someone looked into the problem a bit further. Has anyone measured the speed at which Bitcoin ...
7
votes
2answers
492 views

How should one try verifying to whom a given Bitcoin address belongs?

Lets say, I'd have a website that shows a large number of Bitcoin public addresses, and wanted to give option for anyone that owns a given address to verify it automatically. Assuming that one ...
12
votes
3answers
7k views

How can I generate a large number of Bitcoin addresses?

I would like to generate a large number of public Bitcoin addresses (several hundred thousand) quickly and efficiently into a simple text file. What would be the easiest way to get this done? I'm just ...
14
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5answers
671 views

Why does the standard Bitcoin client not display the balance per address?

Any Bitcoin wallet holds several bitcoin addresses. Such addresses are either generated manually from the GUI addressbook or automatically collecting the "change" of a "Send" transaction. The total ...
39
votes
2answers
9k views

What are Green Addresses?

What are Green Addresses? Is it true that they can solve the "confirmation delay" problem, and how does that work? Are there any drawbacks?
9
votes
1answer
623 views

Different ways to encode Bitcoin Address

What are the different ways to encode a Bitcoin Address (both private and public) and how are they calculated? I've heard of things like firstbits, mini private key format, and I`d like to know how ...
44
votes
3answers
15k views

Why does Bitcoin send the “change” to a different address?

For example I have an address (A) with 20 BTC and send 9 BTC to address (B). Bitcoin will create a "change" portion of the transaction where the remaining 11 BTC goes to address (C). Why not send ...
29
votes
5answers
17k views

How are public & private keys in an address created?

I understand the high level concept I am more interested specific details. How is a private key generated. How exactly is public key generated, how is address generated from public key.
11
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2answers
613 views

Is there a recommended maximum number of transactions any one address should ever receive?

The pool I am with has sent about twenty transactions to one address I gave as a 'send to' addy. Could this one address just go on and on taking more and more of these transactions? A hundred of them? ...
13
votes
1answer
5k views

How can I use the vanity name generator to look for an address?

How do you use the vanity name generator to look for an address? Is there an estimate on how long it takes to find addresses of varying lengths and complexities?
13
votes
1answer
929 views

What is the meaning of the Bitcoin address version?

Bitcoin address versions are described on the Address wiki page: Normal addresses currently always start with 1, though this might change in a future version. Testnet addresses usually start with m ...
10
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3answers
734 views

How can I find out the address my payment will come from?

Can I find out the address I am going send from before making a payment? And could this be useful for merchants that want to identify my transaction?
20
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5answers
1k views

Is there an easy way to give people a Bitcoin address?

I see that Bitcoin addresses have built in checksums that helps prevent typos (ie. it is highly unlikely that you can mistype a Bitcoin address and have it still be valid). However, I still think the ...
40
votes
7answers
34k views

What happens if I mistype the address when making a payment?

I sent bitcoins to an address, but I think I made a typo when I copied it. Where did these bitcoins go. Can I get them back?
37
votes
10answers
27k views

How is it possible to launder bitcoins?

Some services, such as bitcoinlaundry.com, claim that they can launder your bitcoins. Since all bitcoin transactions are publicly logged, how is this done? Wouldn't it be possible to trace back the ...
129
votes
11answers
73k views

Is it possible to brute force bitcoin address creation in order to steal money?

Bitcoin users frequently generate new addresses for each transaction they make, which greatly increases the number of bitcoin addresses being used to receive money. Would it be possible (and ...

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