To Christian's point about privacy, I'll take this opportunity to shamelessly review beg on https://github.com/bitcoin/bitcoin/pull/12254, the PR for BIP 158 implementation (but not 157).
On Sat, Apr 14, 2018 at 9:14 AM, Christian Decker < decker.christ...@gmail.com> wrote: > Note that this would compound the privacy leak that Jonas Nick used to > identify address clusters via the bloom filters in one of his publications. > By reducing the false positives when matching you can get very detailed > clusters. Then again we know that bloom filters aren't good for privacy > anyway, so this might be a non-issue. > > On Sat, Apr 14, 2018, 00:17 Jim Posen via bitcoin-dev <bitcoin-dev@lists. > linuxfoundation.org> wrote: > >> Why not add the outpoints owned by the wallet to the filter and watch for >> those instead of elements in the input script or witness data? >> >> On Fri, Apr 13, 2018 at 12:12 PM, Jonas Schnelli via bitcoin-dev < >> email@example.com> wrote: >> >>> Hi Andreas >>> >>> Thanks for bringing this up and this seems indeed to be suboptimal. >>> >>> > I wonder if Bitcoin Core would be willing to extend the BIP37 matching >>> > rules such that data elements in the witness are also matched against? >>> >>> Bitcoin Core is not an identity that can be „willing to extend“ (or >>> reject) a feature. >>> Someone needs to come up with a proposal (pull request). >>> >>> Maybe an extension for BIP37 would make sense (*meh*). >>> Just inserting the witness data into the bloom filter seems to be an >>> easy solution (CBloomFilter::IsRelevantAndUpdate()) >>> >>> /jonas >>> >>> _______________________________________________ >>> bitcoin-dev mailing list >>> firstname.lastname@example.org >>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >>> >>> >> _______________________________________________ >> bitcoin-dev mailing list >> email@example.com >> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >> >
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