<p>I assume you are talking about BIP 37 which uses bloom filters for SPV wallets.</p>

<p>Currently there are no alternatives to BIP 37 for SPV wallets. However roasbeef is working on a proposal for client side filtering, which you can read about here: <a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-June/014474.html" rel="nofollow noreferrer">https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-June/014474.html</a>. Client side filtering is an alternative to using BIP 37 and should work much better than BIP 37 does.</p>

CC BY-SA 3.0
2017-08-27T16:21:59.850Z
2017-08-27T16:21:59.850Z
Ava Chow
<p>There have been a few papers, online publications and discussion about the negative effects of bloom filters on privacy.</p>

<p>What are the alternative to using bloom filters?
(bonus question: Are there any improvements we can make to bloom filters?)</p>

<security><privacy><bip37-bloom-filter>
Is there an alternative to Bloom filters?
Penquin
# Is there an alternative to Bloom filters?

(Asked by: username_0 on 2017-08-27)

There have been a few papers, online publications and discussion about the negative effects of bloom filters on privacy.

What are the alternative to using bloom filters?
(bonus question: Are there any improvements we can make to bloom filters?)

**Tags:** security, privacy, bip37-bloom-filter


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## 1 answers

### Answer by username_1 on 2017-08-27. Score: 1 | Accepted answer

I assume you are talking about BIP 37 which uses bloom filters for SPV wallets.

Currently there are no alternatives to BIP 37 for SPV wallets. However roasbeef is working on a proposal for client side filtering, which you can read about here: <https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-June/014474.html>. Client side filtering is an alternative to using BIP 37 and should work much better than BIP 37 does.


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