As of 2022-03-07, the Wikidata property Keybase username (P6837) is used on 67 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P2002 Twitter username 62
 0.0002
P2037 GitHub username 60
 0.0078
P6634 LinkedIn personal profile ID 43
 0.0008
P2013 Facebook ID 30
 0.0001
P4265 Reddit username 27
 0.0314
P7171 Hacker News username 23
 0.1769
P2671 Google Knowledge Graph ID 21
 0.0000
P496 ORCID iD 15
 0.0000
P2087 Crunchbase person ID 14
 0.0081
P1960 Google Scholar author ID 14
 0.0002
P214 VIAF ID 14
 0.0000
P4174 Wikimedia username 13
 0.0070
P2003 Instagram username 12
 0.0001
P7859 WorldCat Identities ID 12
 0.0000
P2397 YouTube channel ID 11
 0.0002
P2456 DBLP author ID 10
 0.0002
P646 Freebase ID 10
 0.0000
P4411 Quora username 9
 0.0240
P3899 Medium username 9
 0.0099
P4033 Mastodon address 8
 0.0155
P3267 Flickr user ID 7
 0.0035
P3836 Pinterest username 7
 0.0015
P6005 Muck Rack journalist ID 7
 0.0011
P2038 ResearchGate profile ID 7
 0.0001
P3829 Publons author ID 7
 0.0001
P213 ISNI 7
 0.0000
P3040 SoundCloud ID 6
 0.0003
P1053 ResearcherID 6
 0.0000
P345 IMDb ID 6
 0.0000
P227 GND ID 6
 0.0000
P244 Library of Congress authority ID 6
 0.0000
P3943 Tumblr username 5
 0.0014
P2847 Google+ ID 5
 0.0008
P2963 Goodreads author ID 5
 0.0002
P4012 Semantic Scholar author ID 5
 0.0001
P648 Open Library ID 5
 0.0000
P4175 Patreon ID 4
 0.0039
P3789 Telegram username 4
 0.0016
P4015 Vimeo identifier 4
 0.0012
P4862 Amazon author ID 4
 0.0007
P7400 LibraryThing author ID 4
 0.0004
P4985 TMDb person ID 4
 0.0000
P2949 WikiTree person ID 4
 0.0000
P1153 Scopus author ID 4
 0.0000
P269 IdRef ID 4
 0.0000
P8754 OpenStreetMap numeric user ID 3
 0.0248
P8827 GitLab username 3
 0.0236
P7671 Semion author ID 3
 0.0155
P4594 arXiv author ID 3
 0.0109
P2607 BookBrainz author ID 3
 0.0042

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P7171 Hacker News username 23
 0.1769
P4265 Reddit username 27
 0.0314
P8754 OpenStreetMap numeric user ID 3
 0.0248
P4411 Quora username 9
 0.0240
P8827 GitLab username 3
 0.0236
P4033 Mastodon address 8
 0.0155
P7671 Semion author ID 3
 0.0155
P8772 Blogger user profile ID 2
 0.0149
P10199 F6S ID 1
 0.0143
P7590 eBay username 1
 0.0133
P9125 Microsoft MVP profile ID 1
 0.0130
P8124 CPAN author ID 1
 0.0115
P4594 arXiv author ID 3
 0.0109
P9101 Discord username 1
 0.0109
P3899 Medium username 9
 0.0099
P10212 Stack Exchange user ID 1
 0.0094
P4232 Figshare author ID 2
 0.0084
P2087 Crunchbase person ID 14
 0.0081
P2037 GitHub username 60
 0.0078
P3276 Angel List ID 2
 0.0075
P9885 Bing entity ID 2
 0.0074
P4174 Wikimedia username 13
 0.0070
P4016 SlideShare username 2
 0.0069
P7176 XING profile ID 2
 0.0067
P4052 Academia.edu institutional ID 1
 0.0060
P5143 amateur radio callsign 1
 0.0056
P7737 DeviantArt username 1
 0.0051
P2607 BookBrainz author ID 3
 0.0042
P4175 Patreon ID 4
 0.0039
P6157 Google News publication ID 1
 0.0037
P3267 Flickr user ID 7
 0.0035
P1714 Journalisted ID 1
 0.0030
P6619 XING company ID 1
 0.0024
P2942 Dailymotion channel ID 1
 0.0020
P5797 Twitch channel ID 3
 0.0017
P8060 Glassdoor company ID 1
 0.0017
P3789 Telegram username 4
 0.0016
P2984 Snapchat username 2
 0.0016
P3836 Pinterest username 7
 0.0015
P3052 Bloomberg person ID 1
 0.0015
P3943 Tumblr username 5
 0.0014
P4015 Vimeo identifier 4
 0.0012
P6005 Muck Rack journalist ID 7
 0.0011
P864 ACM Digital Library author ID 3
 0.0011
P8976 Lichess username 1
 0.0010
P5163 Odnoklassniki ID 1
 0.0009
P2611 TED speaker ID 2
 0.0008
P2209 SourceForge project 1
 0.0008
P6634 LinkedIn personal profile ID 43
 0.0008
P2847 Google+ ID 5
 0.0008