Questions tagged [bitcoin-core]

This tag should be used for questions pertaining to Bitcoin Core. Bitcoin Core is an MIT-licensed Qt 5 GUI application for the original Bitcoin codebase. Additional/previous names include "Bitcoin-Qt", "Satoshi-Client", and "Standard Client". This tag should be used when referring to the Bitcoin Core software.

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14
votes
5answers
676 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 ...
17
votes
2answers
9k views

How does the Bitcoin client encrypt the wallet.dat file?

What is the algorithm used for encrypting the wallet.dat file?
4
votes
1answer
531 views

When will the official client support partial blockchain downloads?

Are there concrete plans for the official client to be able to download just a portion of the blockchain? By concrete I mean what's the issue tracking this on github, is there a planned version for ...
4
votes
3answers
1k views

Bitcoin communication with non-standard ports

I'm writing a Bitcoin web app that is to be deployed on an external server over which I have no control. I probably won't have access to standard Bitcoin port (8333). Will this cause a problem when ...
30
votes
2answers
31k views

How exactly does -rescan work?

-rescan is a command line argument that is passed to the bitcoin client after restoring wallet.dat from backup. Which files get recalculated? Which files does the rescan command read? Why is it a ...
14
votes
1answer
13k views

How do I upgrade my Bitcoin client?

I am working with an older version of Bitcoin and want to upgrade to version .4. Is there a specific way to do this? I want to try to upgrade, but am paranoid that I could lose my wallet if I do ...
16
votes
3answers
513 views

What happens if the developers make a controversial change to the "standard" client?

One criticism I commonly hear of Bitcoin is that it merely transfers trust from some sort of central bank or government entity to the developers of the main project. Can anyone provide a clean ...
5
votes
1answer
171 views

What OSes don't yet have Bitcoin clients?

Bitcoin has clients created for many OSes already, but which (semi-)significant operating systems don't yet have a Bitcoin client created for them? Is there some opensource code I can use as a ...
32
votes
1answer
53k views

How can I restore my wallet?

I just purchased a new laptop and I want to decommission my old one. I have a back-up of my wallet.dat file copied to my new PC. What do I need to do to restore it to my Bitcoin (Windows) client? ...

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