Linked Questions

1
vote
1answer
133 views

Why doesn't a change address just point back to the address that sent the transaction? [duplicate]

Why over complicate things with additional private and public keys that are hidden from the user and make it possible for backed up wallets to go out of date? Why can't the change address just be the ...
48
votes
3answers
9k views

How does change work in a bitcoin transaction?

It seems that when you send a bitcoin transaction, all the coins in the sending address are spent in that transaction, divided into the amount that you intended to send, and "change", which goes back ...
14
votes
5answers
652 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 ...
4
votes
3answers
2k views

Is a private key used up when part of the bitcoins it controls are sent?

Here is my current understanding of Bitcoin: I have 10 bitcoins in my wallet. If I send 5 bitcoins to someone else, I am sending the private key from my wallet to somebody's public key address. ...
7
votes
3answers
2k views

Is there a way to prove ownership of a transaction?

Is it possible to prove that you are the sender in a transaction? Prove this to 3rd-parties, not only the receiver.
4
votes
2answers
6k views

How long does it take for an exchange to send me bitcoins?

I'm not sure I understand all of the bitcoin storage options I know there are bitcoin addresses and bitcoin wallets what is the relationship of an address to a wallet? is a wallet mandatory and a ...
2
votes
3answers
1k views

Why does using a wallet in cold storage make it less secure?

According to How to set up a secure offline savings wallet, Every time you retrieve bitcoins from your savings wallet, create a fresh savings wallet by repeating the above procedure, and send all ...
4
votes
1answer
675 views

What happened to my coins, hacked?

I'm new to bitcoin, downloaded the bitcoin.org client, encrypted my wallet, and purchase a few bitcoins (5.25), for learning purposes. But now my coins seem to have disappeared to an unknown address. ...
4
votes
2answers
1k views

multiple outputs, address forking

i did read up some stuff about bitcoin but never used it until today. i might be asking something very obvious, but how can i get rid of address forking? that is, after several transactions my address ...
1
vote
2answers
1k views

Is it sufficient to backup the private keys of my android Dogecoin Wallet?

I installed the langhans Dogecoin Wallet on my android device and backed up my private keys. Is it sufficient to backup the wallet to avert loss in case of loss of or damage to the phone?
0
votes
1answer
1k views

Explorer showing different balance then my Blockchain wallet

My Blockchain wallet address on the explorer, shows a low balance (under .001) but when I log into the wallet I can see what should be there about .25 BTC. My Electrum wallet is also doing the same. ...
1
vote
1answer
901 views

Why can I only see the balance of my wallet and not the one of each of my receiving addresses? (Multibit)

I have some troubles to understand the logic behing addresses and wallets. I use Multibit to manage my BTC. I have one wallet with 5 receiving addresses. I have transfered from an exchange website 0....
1
vote
2answers
726 views

How to read the transaction pages on blockchain.info?

I read the original Bitcoin paper and think I understand it but I'm having a hard time relating it to the transaction pages on blockchain.info. For example, sometimes there are 2 outputs and neither ...
7
votes
1answer
252 views

Why do transactions need to be spend fully? [duplicate]

If I want to send you 75 and I have 100, a transaction of 100 will be made, in which I get 25 back as change. Why is this? See also Change When the output of a transaction is used as the input of ...
0
votes
1answer
464 views

blockcypher amount transacted larger than amount transferred [duplicate]

When transferring some bitcoin from coinbase to my hardware wallet, I see on coinbase and on my hardware wallet that the amounts sent and received are about the same (minus a transaction fee), as ...

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