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Author Topic: Synchronisation across devices for a multitude of bitcoin wallet copies.  (Read 1904 times)
MatthewLM
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June 09, 2011, 06:28:28 PM
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Is this possible? To use the same wallet on multiple devices without needing to trust an online service to hold the wallet data. Can copies of the same wallet synchronise across various devices? Are there clever ways to do this, perhaps synchronising by analysing the blocks to calculate changes to the wallet that has occurred from other devices?

Simply curious because that would improve bitcoin a lot in my opinion.

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cschmitz
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June 09, 2011, 08:27:43 PM
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try powerfolder, you can sync across devices over the lan and internet, fully encrypted, no cloud storage involved if the user choses so.
they also accept btc payment https://www.powerfolder.com/shop/?setCurrencyId=6

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MatthewLM
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June 09, 2011, 08:44:20 PM
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Doesn't really solve the problem. What if you spend on your iphone, it runs out of battery, you turn on your PC and then the PC wallet is invalidated because it is not synchronised automatically even when the other device is off?

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June 10, 2011, 12:54:55 AM
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No, you can't do this, because each running client will begin to generate its own set of addresses which are different from the others. This is, in other words, a recipe for losing Bitcoins forever.

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June 10, 2011, 01:14:43 AM
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try powerfolder, you can sync across devices over the lan and internet, fully encrypted, no cloud storage involved if the user choses so.
they also accept btc payment https://www.powerfolder.com/shop/?setCurrencyId=6
or use dropbox, which is free.

It is pitch black. You are likely to be eaten by a grue.

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TiagoTiago
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June 13, 2011, 02:44:04 PM
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What happens if two clients try to write to the same wallet file simultaneously (or one after the other without either being closed) ?

(I dont always get new reply notifications, pls send a pm when you think it has happened)

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Stefan Thomas
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June 13, 2011, 05:45:44 PM
 #7

Webcoin will do this by default. If you're a techie and you're interested in the details, check our specification:

http://bitcoinjs.org/specs/wallet/1.0/draft/wallet-api.html

Aside from bug-fixing that's the last feature we need to implement before we can launch. Smiley

For more on the project http://bitcoinjs.org/

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