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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.

37
votes
2answers
8k 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
500 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 ...
42
votes
3answers
11k 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
12k 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
votes
2answers
587 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
783 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
votes
3answers
701 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
votes
3answers
851 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 ...
38
votes
7answers
23k 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?
35
votes
9answers
19k 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 ...
113
votes
11answers
55k 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 ...