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RE: "Child Pays for Parent" on Electrum with Ledger Nano S
Thanks @lukestokes for this article. In general, I do support SegWit for making fees smaller without affecting the censorship-resistance of Bitcoin. It also allows for features like the lightning network, which I'm very excited for.
However, I'm not sure how I feel about the SegWit2x fork. What are your thoughts on that?
Thankfully I'm not a miner or exchange, so what I think doesn't matter a whole lot. It seems to me a lot of users are against it while big corporations are for it. I haven't made up my mind yet. I see some saying it was pushed forward too quickly and hasn't been properly tested while I see others saying it's ready to go and is needed to increase the blocksize and make BTC actually function like digital cash as originally intended.
I think the lack of "replay protection" is what scares me. Replay protection lack means that, theoretically, if you made a transaction on one chain (e.g. the Bitcoin Core chain), a node on the other chain can replay your transaction (e.g. the Segwit2x chain).
For example, if I sent Bob 2 BTC on the Core chain, Bob can replay my transaction on the 2X chain, also sending him 2 Segwit2x Bitcoins. If they don't fix that soon, that could end up being a large problem.