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Author Topic: We should stop recommending Multibit on bitcoin.org, NOW  (Read 3050 times)
RoxxR
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April 08, 2014, 08:04:25 PM
 #1

The coin-eating bug discussed on reddit today, and perhaps even more so, the dev's negligent and downright silly response towards it has been appalling.  IMHO security of funds and private keys should be the top priority of any wallet software.  The prominent link to multibit from bitcoin.org puts users at risk and should be discontinued immediately, at least until this is resolved.  

Discussion of the infamous bug:
http://www.reddit.com/r/Bitcoin/comments/22gt4r/major_mulitibit_bug_btc_gone_it_cost_me_all_of_my/
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April 08, 2014, 08:30:21 PM
 #2

Thank you for posting this, I'm moving to Electrum.

Maybe ypu can briefly explain what NOT TO DO if you are using Multibit to prevent other users losses.
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April 08, 2014, 09:18:02 PM
 #3

I support op's motion as I had trouble with MB that no noob should go through, too.

jbrnt
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April 08, 2014, 09:29:08 PM
 #4

I just read the thread on reddit. i had no idea Multibit had such a bug  Shocked

i tried Multibit at one time and didn't like the layout, so went with Electrum. Is the bug fixed in the latest release or is the dev still working on it?
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April 08, 2014, 09:46:20 PM
 #5

I agree Jim should have been more helpful. I am pretty sure as the move to MultibitHD they said they would support some major bug fixes to the classic version, this sounds like a rare but major bug. I think jim should be more hopefully and honestly if you need to do something, you can put the code down for three days and get some lights for your house come on we aren't north korea.

I would have multi-bit removed from the bitcoin.org page. Also as Java developer I didn't see any code for multi-bit HD I would gladly help them if they are that stressed out. I don't have much free time but I know bitcoinj very well.

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billport
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June 09, 2014, 02:50:52 PM
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Had 2 wallets in Multibit, sent coins from the 1st to the 2nd.

Now half of the coins have disappeared.

And I can tell its gonna be a nightmare to get help from the dev.

Back to Electrum, after a 7k loss Sad
allgoodthings1
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June 09, 2014, 11:24:54 PM
 #7

WOW! This is real old stuff! Old stories. Old complaints. Aired here and on reddit time and time again. And all resolved by the Multibit team to the satisfaction of thousands and thousands of users. It's unfortunate stuff like this happens. But it happens with Multibit, happens with Coinbase, happens with Electrum, happens with Blockchain, happens with every wallet service. It's unfortunate; but FUD really doesn't help, folks. The venting is often misguided and always toxic. If you have problems, just state them fully and carefully here, and you'll find plenty of voices willing to walk you through them, if possible.

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June 11, 2014, 01:24:06 AM
 #8

Had 2 wallets in Multibit, sent coins from the 1st to the 2nd.

Now half of the coins have disappeared.

And I can tell its gonna be a nightmare to get help from the dev.

Back to Electrum, after a 7k loss Sad
Could you post some kind of supporting evidence?

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ShakyhandsBTCer
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June 13, 2014, 02:09:10 AM
 #9

Had 2 wallets in Multibit, sent coins from the 1st to the 2nd.

Now half of the coins have disappeared.

And I can tell its gonna be a nightmare to get help from the dev.

Back to Electrum, after a 7k loss Sad
Could you post some kind of supporting evidence?

I have transferred coins within a wallet on Multibit before, it looked weird on the transaction history but did not have any issues with the change address.
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June 13, 2014, 02:26:28 AM
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Because this is a 2 months' old thread and may be the bug was fixed. Besides, the bug doesn't happen all the time.
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June 13, 2014, 02:42:30 AM
 #11

I've definitely used multibit quite a bit without issue.  I also have my keys printed out and stored in a safe place.  I need to look through that reddit, but what's not clear to me is:

1) is the bug something that 'eats your coin' as in sends it so some null address or something?  or does it just corrupt your wallet, etc?  If the latter, I'm not so worried since I have backups of all the  keys.

2) is this resolved?  If it is, can OP modify the thread name, it's kinda alarmist to leave it up if there's not a current issue anymore.
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June 13, 2014, 05:43:37 AM
 #12

The bug was related to incorrectly importing Blockchain.info keys. If you have never imported anything then you have nothing to worry about. Also, it was fixed in the latest release.

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ShakyhandsBTCer
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June 14, 2014, 05:12:40 PM
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I've definitely used multibit quite a bit without issue.  I also have my keys printed out and stored in a safe place.  I need to look through that reddit, but what's not clear to me is:

1) is the bug something that 'eats your coin' as in sends it so some null address or something?  or does it just corrupt your wallet, etc?  If the latter, I'm not so worried since I have backups of all the  keys.

2) is this resolved?  If it is, can OP modify the thread name, it's kinda alarmist to leave it up if there's not a current issue anymore.

According to the release notes the issue has been resolved.
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June 18, 2014, 04:59:22 PM
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The bug was related to incorrectly importing Blockchain.info keys. If you have never imported anything then you have nothing to worry about. Also, it was fixed in the latest release.

I see, well I do often import my keys.  That is, from time to time I install multibit or another wallet on a computer and import my keys to do transactions.  I'm going to be sure to update my multibit before I use any old installs.  Also, looking through that reddit, i wondered if it was because the op created like 500keypairs before using them, maybe filling some presized array, idk.
allgoodthings1
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June 18, 2014, 05:35:47 PM
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IMHO, passing keys around from an installation on one computer to another, or one wallet to another, is always more precarious than sending coins from one wallet to another via the blockchain. I would never import a key except for disaster recovery. It's too inexpensive to send balances over the blockchain, and much less fraught with potential problems. A little paid in transaction fees goes a long way toward peace of mind.

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sed
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June 19, 2014, 06:22:27 AM
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IMHO, passing keys around from an installation on one computer to another, or one wallet to another, is always more precarious than sending coins from one wallet to another via the blockchain. I would never import a key except for disaster recovery. It's too inexpensive to send balances over the blockchain, and much less fraught with potential problems. A little paid in transaction fees goes a long way toward peace of mind.

What's the precarious part?  I don't fully understand.

I have my wallet in an encrypted text file that i have on a flash stick.  I also have that file decrypted and printed on paper as a back up.  So, I can decrypt the wallet file and then import it.  Anyway, as far as i can tell, even if the import goes wrong on a particular wallet software, I can just try again with better software or double check the installation or something.  I'm sure there's something I'm missing.
ShakyhandsBTCer
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June 19, 2014, 07:46:43 AM
 #17

IMHO, passing keys around from an installation on one computer to another, or one wallet to another, is always more precarious than sending coins from one wallet to another via the blockchain. I would never import a key except for disaster recovery. It's too inexpensive to send balances over the blockchain, and much less fraught with potential problems. A little paid in transaction fees goes a long way toward peace of mind.

What about a person who actually needs to potentially spend his bitcoin from two (or more computers) but has no real way of knowing in advance when they would need this.

An example of this would be someone who owns a small business and could have to send coins from home or from the office at any given time. It would be cheap to send coins from one address to another one time but this cost would add up if this had to be repeated every day 2 (or more times per day). 
allgoodthings1
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June 19, 2014, 01:31:59 PM
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What about a person who actually needs to potentially spend his bitcoin from two (or more computers) but has no real way of knowing in advance when they would need this.
As much as all of us would like to use our MultiBit as much as possible, I guess I'd suggest this situation might better be handled by a secure online wallet -- which would hold whatever balance was needed in both or all locations.  Or, one could carry his/her single MultiBit wallet on a portable device to carry with them.

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allgoodthings1
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June 19, 2014, 01:52:37 PM
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What's the precarious part?  I don't fully understand.

I have my wallet in an encrypted text file that i have on a flash stick.  I also have that file decrypted and printed on paper as a back up.  So, I can decrypt the wallet file and then import it.  Anyway, as far as i can tell, even if the import goes wrong on a particular wallet software, I can just try again with better software or double check the installation or something.  I'm sure there's something I'm missing.
From the dictionary: Precarious..
a :  dependent on chance circumstances, unknown conditions, or uncertain developments
b :  characterized by a lack of security or stability that threatens with danger

You might be fine, sed -- though that decrypted paper backup is a point of risk. You're possibly having to back it up often [at least every time to add coin to the wallet], and juggling/keeping track of/disposing of decrypted paper files introduces some real risk in the equation.

But again.. just stating an opinion here.. I think most users would be better served sending coins from one wallet to another via the blockchain, rather than doing the export/import of keys procedure for coin transfers.

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ShakyhandsBTCer
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June 20, 2014, 12:50:51 AM
 #20

What about a person who actually needs to potentially spend his bitcoin from two (or more computers) but has no real way of knowing in advance when they would need this.
As much as all of us would like to use our MultiBit as much as possible, I guess I'd suggest this situation might better be handled by a secure online wallet -- which would hold whatever balance was needed in both or all locations.  Or, one could carry his/her single MultiBit wallet on a portable device to carry with them.

A mobile device could potentially be stolen/lost, even if the point of the theft of the device is not to steal the bitcoin they would be significant risk.

Online wallets carry their own risk that is separate from using MultiBit in this manner. More risk? I am not sure
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