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Author Topic: Announcing bitdoubler.io  (Read 1941 times)
bitdoubler-io
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September 21, 2017, 12:50:55 AM
 #41

crairezx20,

We would be happy to send 0.003 btc to you to test our site...you can double spend between two of your own wallet addresses and keep the btc when done testing.
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September 23, 2017, 12:25:00 AM
 #42

cannot get to work for >= 0.01 BTC on shapeshift please advise, not worth it for low amount
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September 23, 2017, 11:44:32 PM
 #43

rollorspin,

Some sites limit the amount they will accept as an instant deposit (0 confirmations) in order to reduce losses from double spending.
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September 24, 2017, 01:39:18 AM
 #44

Doublespending is another word for scamming. Not sure what your rationale is for developing such a site but what you are encouraging here is plain wrong. As you can see above, there is someone attempting to doublespend a Shapeshift transaction. In other words, he probably wants to gain twice of what is supposed to be a single-value once-off transaction.

A bitcoin payment is supposed to be one which can't be manipulated or reversed. The idea of doublespending is grounded on the premise of successfully spending some money more than once, blatantly contradicting the most basic expectation of bitcoin being an irreversible and final transaction. Doublespending will always lead to some kind of loss or damage. Not sure why you are happily and positively encouraging it here.

 

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September 24, 2017, 08:48:11 PM
 #45

warningsigns,

The double spending problem would not be a problem at all if everyone followed the advice of the creators of bitcoin and did not trust unconfirmed transactions. However, some web sites have ignored this rule in an attempt to increase their profits by not making users wait for transactions to confirm before providing them with a service (such as betting, crytocurrency exchange, etc.).

The Glass Hunt double spend site (https://www.glasshunt.co/exploits/bitcoin-double-spend/) has been around for more than a year. All we have done with bitdoubler.io is to make a similar site that is open source, cheaper to use, and that has a lower minimum (so that users can risk less when trying out our site).

Peter Todd (one of the bitcoin core developers) has been advocating for an end to trusting unconfirmed transactions. He announced the success of his own double spend attack (https://www.coingecko.com/buzz/peter-todd-explains-how-he-double-spent-coinbase) and even published its python source code (https://github.com/petertodd/replace-by-fee-tools/blob/master/doublespend.py).

We are simply offering a service that works at the expense of others who unwisely trust unconfirmed transactions.
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October 18, 2017, 09:54:49 PM
 #46

this is not Money Doubler site

Use site to make double spends and read up on what that is
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October 20, 2017, 12:20:20 AM
 #47

Yes rollorspin you are correct! Thank you for posting.
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November 06, 2017, 10:51:56 PM
 #48

diffcult to find sites where double spend works > $100 USD
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March 04, 2018, 03:45:03 PM
 #49

what to use for fee now for first tx? btc fees low now so first tx confirm too fast, troubles making money now
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September 15, 2018, 02:30:49 AM
 #50

Unable to connect

Firefox can’t establish a connection to the server at www.bitdoubler.io.    Sad
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