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Title: Strange subcent transactions Post by: puddinpop on June 28, 2011, 01:28:47 AM Has anyone else been the recipient of unexpected subcent transactions? I've received some very small (<0.000001) transactions in the last few days. They weren't from myself and I wasn't expecting them. Browsing the block chain, I see other address receiving such transactions as well. I find this very odd, as they are paying more in tx fee than the transaction itself. Is this some sort of probing attack, or is it just a misbehaving client? I hope nothing nefarious is happening. Does the client handle receiving transactions for yourself differently than other transactions? Is there any info leak here? I could see someone trying to probe clients with transactions to get info on which client owns what and then go into attack mode when a suitable target is found.
Here are a few examples of some blocks I noticed with these small transactions. The destination addresses seem to be used, so I don't think these are the change address. There are many more than these. block 132736 (http://blockexplorer.com/block/0000000000000bd2c8e68761cccd05d21ea4fbbe4f2dddeb2af428f36b9d0b07) has an output for 0.0000001 block 132738 (http://blockexplorer.com/block/0000000000000aa439917969012340b2a8d029b0ebfebea6ce08d0afb8397c0c) has an output for 0.00000001 block 132751 (http://blockexplorer.com/block/000000000000017bf455fa5dd1f1df217e1d361a4149d0bae4e2e255ccd6512f) has an output for 0.00000005 block 133374 (http://blockexplorer.com/block/00000000000009c99868ee331291a72e230de50b1edca23b442574e464759310) has 3 outputs for 0.00000001 block 133431 (http://blockexplorer.com/block/0000000000000b1c1eb3cd85795a5b81d6e161f7b1d7f35bc8ae21dbce063f1d) has 2 outputs for 0.00000001 If anyone knows what's happening here, I'd be interested in the explanation. Title: Re: Strange subcent transactions Post by: dinzy on June 28, 2011, 02:21:37 AM Is this to the wallet address in your sig? :P
Title: Re: Strange subcent transactions Post by: BitcoinPorn on June 28, 2011, 02:29:22 AM Is this to the wallet address in your sig? :P Holy fuck at the activity that address has seen. Title: Re: Strange subcent transactions Post by: puddinpop on June 28, 2011, 10:14:32 PM Is this to the wallet address in your sig? :P No, not specifically my address. Although after I posted this someone did send a small amount there. If you look at the blocks in the first post there are other addresses with previous activity that have had very small amounts sent to them recently. Title: Re: Strange subcent transactions Post by: TiagoTiago on June 28, 2011, 10:39:36 PM I haven't (at least not yet); could these 'coins be tainted somehow (like being bought with stolen credit cards) and this be an attempt to attack Bitcoin by trying to get people to be forced to give up their money due to suspicion of being involved in criminal activity? (in Second Life, there have been some instances of such attacks, people donated stolen money to their target and then LL charged treble damages of the victim, somtimes even resulting in negative balances and loss of data)
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