What is double-spend bitcoin?
Double-spend consists in spending the same coins twice. This tool emits two different transactions using the same coins. One of the transactions goes to your target’s wallet, whereas the second transaction goes back to you. Once the second transaction gets confirmed, the first one is cancelled.
Only one transactions get confirmed
Why is this possible on the bitcoin network?
In Bitcoin, there is a function of replacing transactions(RBF) which allows you to create two transactions with the same coins. But, only one transaction will be legitimate on the network and will receive a confirmation. It’s not a hacking / bug of bitcoin, it’s using the functions of bitcoin that Satoshi Nakamoto created.
Why should I care about double spend?
An application vulnerable to double-spending allows anyone using Bitcoin double spend tool to buy products and services with bitcoin, for free. From digital goods to physical products. And also use this information for educational purposes. Some sites accept payments without waiting for confirmation so you can use double spend.
What kind of sites accept payments without waiting for confirmation?
Bitcoin casinos / Bitcoin mixers / Bitcoin ATMs / exchanges or regular users
What is race attack?
This is a double spending method that anyone can do. Shops and services that accept payment, if the transaction has 0 confirmations, may be subject to the so-called “Race attack”. For example, two transactions are created for the same funds, then they are sent to various stores / services – in this case, only one of the stores will receive funds – the one whose transaction is first in the blockchain. Stores can take various precautions to reduce the risk of this type of attack, but it should always be borne in mind if you accept transactions with 0 confirmations.
Where can I try to create double spend?
You can try use tool for bitcoin double spend bitcoindoublespend.info
Tool fee 4.9%
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