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for bitcoin core, using the same wallet.dat on 2 different computers ( ore more ..)
Is a good way to loose money. Many people that have tried this in the past without understanding the complexities of the decision have permanently lost bitcoins.
Please do not give advice if you don't know what you're talking about. New users might actually believe you and lose large amounts of money because of the horrible advice you've given.
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just out of curiosity: if you use the same wallet.dat on two different computers, won't this cause any problems?
I tought that bitcoind (or bitcoin-qt) would generate new private keys for change addresses. I read somewhere that there were a couple addresses pre-generated, but when they run out, new addresses get generated automatically.
In this case, the OP and his partner would start out with the same private keys in their wallets, but after a while, their wallets wouldn't be the same anymore... Is this correct?
That is correct.
no, that's not cause any problems ( as i know) when you do a transaction on a computer it apears on the second one .... thats' all
You are incorrect. As I said:
Please do not give advice if you don't know what you're talking about. New users might actually believe you and lose large amounts of money because of the horrible advice you've given.
Bitcoin core should not be used across different machines with the same wallet.dat. It has (by default) 100 private keys and addresses pregenerated for you. If one address is used (e.g. for change) a new is generated to keep the pool of keys at 100. The new one is generated randomly and will be different for both computers. Thus the files are quickly out of sync and need to be manually kept in sync in order to avoid lost coins.
Thank you shorena for helping to educate the newbies that might have mistakenly believed defcon23