[bitcoin-dev] BIP Number Request: Addresses over Audio

Gregory Maxwell greg at xiph.org
Fri Aug 12 00:36:07 UTC 2016


On Thu, Aug 11, 2016 at 8:37 PM, Erik Aronesty via bitcoin-dev
<bitcoin-dev at lists.linuxfoundation.org> wrote:
> Still not sure how you can take a BIP32 public seed and figure out if an
> address was derived from it though.   I mean, wouldn't I have to compute all
> 2^31 possible public child addresses?

Which would take a quad core laptop about 8 hours with competent software

And presumably you're not using the whole 2^31 space else the receiver
also has to do that computation...


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