{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T20:18:55Z","timestamp":1778876335105,"version":"3.51.4"},"reference-count":36,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000780","name":"European Commission","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004895","name":"European Social Fund Plus","doi-asserted-by":"publisher","award":["ED481A-2023-219"],"award-info":[{"award-number":["ED481A-2023-219"]}],"id":[{"id":"10.13039\/501100004895","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008530","name":"European Regional Development Fund","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100008530","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010801","name":"Xunta de Galicia","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100010801","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000780","name":"European Commission","doi-asserted-by":"publisher","award":["ED431B 2024\/21"],"award-info":[{"award-number":["ED431B 2024\/21"]}],"id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000780","name":"European Commission","doi-asserted-by":"publisher","award":["CITIC ED431 G 2023\/01"],"award-info":[{"award-number":["CITIC ED431 G 2023\/01"]}],"id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Open J. Comput. Soc."],"published-print":{"date-parts":[[2026]]},"DOI":"10.1109\/ojcs.2026.3685417","type":"journal-article","created":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T20:07:27Z","timestamp":1776715647000},"page":"805-816","source":"Crossref","is-referenced-by-count":0,"title":["Federated Anonymous Blocklisting Across Service Providers and Its Application to Group Messaging"],"prefix":"10.1109","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4556-1632","authenticated-orcid":false,"given":"David","family":"Soler","sequence":"first","affiliation":[{"name":"CITIC, Universidade da Coru&#x00F1;a, A Coru&#x00F1;a, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4693-7555","authenticated-orcid":false,"given":"Carlos","family":"Dafonte","sequence":"additional","affiliation":[{"name":"CITIC, Universidade da Coru&#x00F1;a, A Coru&#x00F1;a, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5088-0881","authenticated-orcid":false,"given":"Manuel","family":"Fern\u00e1ndez-Veiga","sequence":"additional","affiliation":[{"name":"CITIC, Universidade da Coru&#x00F1;a, A Coru&#x00F1;a, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1047-2143","authenticated-orcid":false,"given":"Ana","family":"Fern\u00e1ndez-Vilas","sequence":"additional","affiliation":[{"name":"CITIC, Universidade da Coru&#x00F1;a, A Coru&#x00F1;a, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3629-8120","authenticated-orcid":false,"given":"Francisco J.","family":"N\u00f3voa","sequence":"additional","affiliation":[{"name":"CITIC, Universidade da Coru&#x00F1;a, A Coru&#x00F1;a, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref1","article-title":"Most used communication methods worldwide","year":"2025"},{"key":"ref2","article-title":"On end-to-end encryption","author":"Hale","year":"2022","journal-title":"Cryptol. ePrint Arch."},{"key":"ref3","article-title":"Technology preview: Sealed sender for signal","year":"2018"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-030-17653-2_5"},{"key":"ref5","doi-asserted-by":"crossref","DOI":"10.17487\/RFC9420","article-title":"The messaging layer security (MLS) protocol","author":"Barnes","year":"2023"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-63697-9_3"},{"key":"ref7","first-page":"2335","article-title":"Hecate: Abuse reporting in secure messengers with sealed sender","volume-title":"Proc. 31st USENIX Secur. Symp.","author":"Issa","year":"2022"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1145\/1880022.1880033"},{"key":"ref9","first-page":"948","article-title":"SNARKBlock: Federated anonymous blocklisting from hidden common input aggregate proofs","volume-title":"Proc. IEEE Symp. Secur. Privacy","author":"Rosenberg","year":"2022"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/sp61157.2025.00201"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1145\/3543507.3583487"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/SP.2011.13"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1145\/1455770.1455813"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-031-15985-5_13"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.3390\/math10152548"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1145\/3708821.3733890"},{"key":"ref17","article-title":"More instant messaging interoperability","author":"Barnes","year":"2025"},{"key":"ref18","article-title":"Mimi metadata minimalization (MIMIMI)","author":"Kohbrok","year":"2025"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1016\/j.comnet.2026.112302"},{"key":"ref20","first-page":"2299","article-title":"Orca: Blocklisting in sender-anonymous messaging","volume-title":"31st USENIX Secur. Symp. (USENIX Security 22)","author":"Tyagi","year":"2022"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-031-64381-1_5"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.5220\/0010337806610669"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1016\/j.cosrev.2023.100570"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1155\/2022\/5429195"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-72738-5_17"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-031-57722-2_4"},{"key":"ref27","article-title":"Arkworks zkSNARK ecosystem","year":"2022"},{"key":"ref28","first-page":"519","article-title":"Poseidon: A new hash function for $\\lbrace$Zero-Knowledge$\\rbrace$ proof systems","volume-title":"Proc. 30th USENIX Secur. Symp.","author":"Grassi","year":"2021"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-662-49896-5_11"},{"key":"ref30","article-title":"Zcash Protocol Specification","volume":"4","author":"Hopwood","year":"2016","journal-title":"GitHub: San Francisco, CA, USA"},{"key":"ref31","first-page":"4995","article-title":"zk-promises: Anonymous moderation, reputation, and blocking from anonymous credentials with callbacks","author":"Shih","year":"2025","journal-title":"34th USENIX Secur. Symp. (USENIX Security 25)"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1145\/3579987.3586570"},{"key":"ref33","first-page":"1253","article-title":"Cryptographic administration for secure group messaging","author":"Balbs","year":"2023","journal-title":"32nd USENIX Secur. Symp. (USENIX Security 23)"},{"key":"ref34","article-title":"SnarkBlock: Federated anonymous blocklisting from hidden common input aggregate proofs","year":"2021"},{"key":"ref35","article-title":"Alpaca: Anonymous blocklisting with constant-sized updatable proofs","year":"2025"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1145\/3658644.3670354"}],"container-title":["IEEE Open Journal of the Computer Society"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/8782664\/11319293\/11488278.pdf?arnumber=11488278","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T19:56:12Z","timestamp":1778874972000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/11488278\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026]]},"references-count":36,"URL":"https:\/\/doi.org\/10.1109\/ojcs.2026.3685417","relation":{},"ISSN":["2644-1268"],"issn-type":[{"value":"2644-1268","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026]]}}}