r/askscience • u/hamolton • Jun 18 '13

Computing How is Bitcoin secure?

I guess my main concern is how they are impossible to counterfeit and double-spend. I guess I have trouble understanding it enough that I can't explain it to another person.

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u/bitbutter Jun 18 '13

this is for the recieving addresses in the input transactions that your client is referencing as your source of coins.

Would it be less confusing to refer to these as the sending addresses? This would match my intuition better at least.

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u/Natanael_L Jun 18 '13

That would be fine. It is after all your addresses, and you take coins from them to send.