Linked Questions

23
votes
4answers
35k views

How do I import private keys from Bitcoin-qt to Multibit client?

Question says it. I spent 20 mins Googling. Saw several links on bitcointalk.com but amazingly found no solution to this. Am I the first one trying to do this? Note the following are not the ...
8
votes
4answers
5k views

How can I test if a bitcoin address is compressed or not?

I have two bitcoin addresses: 1D8VSXHFAWNhAbruwUMbNp4hsXAnRNkYvX 12T15tvMGaymMX97X9KxVzyLF323r8v6Hg One is compressed, one is not. How can I test which is which? (Preferably using python 2.7) ...
8
votes
1answer
3k views

When importing private keys, will compressed or uncompressed format be used?

I am looking into implementing support for compressed public keys on Vanity Pool. However, I have my concerns about importing solutions into a desired vanity address under that format. From what I can ...
3
votes
1answer
2k views

Converting xpub key to core format

I am experiencing some major issues which I honestly can't understand. When I am generating a wallet from Electrum the public key looks like this: ...
5
votes
2answers
2k views

Compressed or uncompressed for brainwallet?

When creating a brain wallet, should I choose the compressed or uncompressed version? Why? What happens if I choose the uncompressed version (which is what the official client uses, right?), and ...
1
vote
1answer
1k views

If I have only the private key from a multibit private key export, how can I use the bitcoin later elsewhere?

In multibit, you can export the private keys from a wallet into a basic text document (*.key). It will look something like this: # KEEP YOUR PRIVATE KEYS SAFE ! # Anyone who can read this file can ...
2
votes
2answers
2k views

Bitcoin - Technical difference between P2PKH and P2SH address generation?

I was convinced that the only difference between the generation of addresses starting with '1' and '3' was simply changing the prefix added to the digest from 0x00 to 0x05 after the ripemd160 part. ...
2
votes
1answer
1k views

Does a private key always generate the same public key and address?

It seems like depending on the method you get different public keys and addresses when using bitcoin-ruby with the same private key. I am probably doing something wrong, but I am not sure where it is.....
0
votes
1answer
138 views

Untypical input script

There are many untypical Input script data in blockchain. What does it mean? For example, transaction: 4A253F17E5F4B24B41F72A6AE46DD1BCB25F7F33769C2AA5D50C6A6A7CF9F76E (link) has it's input script: ...
0
votes
1answer
132 views

How to generate the hash of public key in Bitcoin [closed]

I'm trying to hash the public key with SHA256 and then ripemed160 and get the hash. but it gives the wrong hash Public key: 2b4632d08485ff1df2db55b9dafd23347d1c47a457072a1e87be26896549a8737 Hash ...
2
votes
0answers
119 views

What are the preferred UI images for Bitcoin Address & private key and multi-signature key?

How should I visually distinguish between the different types of keys available for the end user? So far the common keys I've come across are Private key (not to be shared) Bitcoin address (to be ...
1
vote
1answer
67 views

Transforming existing private key into new private key?

Is it possible to derive a new private key from an existing private key and retain the same bitcoin balance without any transactions?