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interesting 👀
There is nothing of interest here, just @DarthCoin not being able to read.
He probably thinks double-spend always means a confirmed transaction was reverted but the article explicitly mentions that this is about manual RBF which changes the output on unconfirmed transactions.
In case of manual RBF we can specify totally different destination addresses, which can be considered a doublespend.
This is only a doublespend if the receiver accepted a tx with 0 confirmations.
Try it yourself. Included in a block it doesn't really means is "confirmed".
My main question it's not about unconfirmed transactions. RBF is only for unconfirmed transactions waiting in the mempool. I'm talking about mined transactions.
You can do RBF on a confirmed tx but not with 6 confirmations.
No
read again overtorment's article explaining how he did it.
I can't find it. Where does it say that?
Please read and pay attention to the whole article, there are some steps explained there.
this are unconfirmed transactions!
👀 #814155
No, are confirmed. That explanation just reiterate the possibility of doing legit RBF on a confirmed tx (with less than 6 conf). That doesn't mean is always possible. It all depends of how fast the blocks are synced, but after 6 confirmations is impossible to do a RBF. You will end up in an intent of 51% attack. But that is another story.
The sentence before what you quoted:
This is how it looks now on blockchain.info. New transaction has all chances to be included in block before the ancestor.
So this is about unconfirmed transactions
Yes you can, here is an example https://medium.com/@overtorment/bitcoin-replace-by-fee-guide-e10032f9a93f