40 sats \ 5 replies \ @notgeld 26 Dec 2022 \ on: The dangers of proliferation of XPUBs bitcoin
You can create as many XPUBs as you need. There is no danger.
The problem on the other hand is that it may be more practical to re-use single address since many services may channel small UTXOs on different addresses which inevitably will be joined together in one transaction. See donation case (Tallycoin) for example.
In case you have mentioned I'd rather use self-hosted backends for watch wallets. Services like Trezor, Leger and famously Samourai Wallet may collect user's XPubs, indeed.
Yeah, this is what I do. If i buy from a KYC-CEX. I send to the same address every time. That way there is only ever 1 address tied to me by kyc. I can then coinjoin those UTXOs if I want over time.
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Does Wasabi collect XPUBs?
For the others, I imagine the issue is that there is a large number of mid-skill people who are comfortable using a hardware wallet, but they only want to do the seed phrase once and then that is that. So ends up being 1 XPUB for everything. They connect it via Trezor / Ledger and then that company has a pretty solid record of everything.
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I don't know about Wasabi. Likely no.
Yes. But there is also a convenience factor at play. With increased adoption and many services allowing to use Bitcoin people may get used to sharing XPubs across services.
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I don't understand why Craig Raw added it, but it doesn't look good for software that markets itself as a "privacy tool", dubious.
But hey, I didn't understand Moxie's motives either...
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There is Samourai Community and everybody else. I don't think they do intersect much since anything said about SW provokes a tsunami of aggressive responses.
Nobody really markets Lightning Network as privacy tool since this is a network and many builders do something else and privacy comes as sort of by-product not a major feature for sale. So I can't remember really big flame wars around privacy in LN.
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