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Author Topic: BlockExplorer.com transaction history changes  (Read 1012 times)
bitplane
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January 22, 2012, 08:25:35 PM
 #1

I set up a daily ChangeDetection.com alert on one of my addresses changing, as per Casascius's smart idea of using Bitcoin as a hacker canary, and got a couple of email alerts which are worrying:

http://www.changedetection.com/log/blockexplorer/1gyzhwalymnvkgrkszcabruuhcxvtwpawf_log.html

As you can see, the balance didn't change but the transaction history did, there's no mention of a bug on BlockExplorer's home page.

Was BlockExplorer's transaction history wrong for a day? Is it right now? Does this happen often? Can we trust it‽
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Maged
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January 22, 2012, 08:35:30 PM
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Doesn't look like either history is actually wrong. The only changes were in the order in which the inputs of a transaction were consumed.

theymos
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January 22, 2012, 09:28:43 PM
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Doesn't look like either history is actually wrong. The only changes were in the order in which the inputs of a transaction were consumed.

Right. Both versions were correct. BBE was ordering those sends "randomly". I changed it to use a consistent ordering.

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bitplane
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January 22, 2012, 09:52:28 PM
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Doesn't look like either history is actually wrong. The only changes were in the order in which the inputs of a transaction were consumed.

Right. Both versions were correct. BBE was ordering those sends "randomly". I changed it to use a consistent ordering.

Excellent, thanks for the explanation Smiley
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January 23, 2012, 01:35:04 AM
 #5

i set up the same ChangeDetection acct from that same thread a few days ago and i've had alert notifications every day since even tho my balance hasn't changed and i haven't touched the address in over a month.  i can't see any obvious changes.
theymos
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January 23, 2012, 01:53:43 AM
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i set up the same ChangeDetection acct from that same thread a few days ago and i've had alert notifications every day since even tho my balance hasn't changed and i haven't touched the address in over a month.  i can't see any obvious changes.

You should use this page instead:
http://blockexplorer.com/q/getsentbyaddress

It's much less likely to change randomly.

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