Bloom Filter
This definition comes from the technical glossary.
Definition
A filter used primarily by SPV clients to request only matching transactions and merkle blocks from full nodes.
Synonyms
- Bloom filter
Not To Be Confused With
- Bloom filter (general computer science term, of which Bitcoin’s bloom filters are a specific implementation)
Links
- 
    Bloom filter — Developer Guide 
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    BIP37: Connection Bloom Filtering— Bitcoin Improvement Proposals 
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    Pull request that implemented bloom filters in Bitcoin Core — GitHub 
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    Discussion about bloom filtering and SPV clients — BitcoinTalk