{"id":"https://openalex.org/W4412373425","doi":"https://doi.org/10.56553/popets-2025-0168","title":"Silent Splitter: Privacy for Payment Splitting via New Protocols for Distributed Point Functions","display_name":"Silent Splitter: Privacy for Payment Splitting via New Protocols for Distributed Point Functions","publication_year":2025,"publication_date":"2025-07-13","ids":{"openalex":"https://openalex.org/W4412373425","doi":"https://doi.org/10.56553/popets-2025-0168"},"language":"en","primary_location":{"id":"doi:10.56553/popets-2025-0168","doi":"https://doi.org/10.56553/popets-2025-0168","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2025-0168","pdf_url":null,"source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.56553/popets-2025-0168","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Margaret Pierce","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I114027177","display_name":"University of North Carolina at Chapel Hill","ror":"https://ror.org/0130frc33","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Margaret Pierce","raw_affiliation_strings":["University of North Carolina at Chapel Hill"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of North Carolina at Chapel Hill","institution_ids":["https://openalex.org/I114027177"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063950675","display_name":"Saba Eskandarian","orcid":"https://orcid.org/0009-0001-8316-219X","observed_orcids":["https://orcid.org/0009-0001-8316-219X"]},"institutions":[{"id":"https://openalex.org/I114027177","display_name":"University of North Carolina at Chapel Hill","ror":"https://ror.org/0130frc33","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Saba Eskandarian","raw_affiliation_strings":["University of North Carolina at Chapel Hill"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of North Carolina at Chapel Hill","institution_ids":["https://openalex.org/I114027177"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I114027177"],"apc_list":null,"apc_paid":null,"fwci":0.4271,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.64135257,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"2025","issue":"4","first_page":"996","last_page":"1013"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.0010999999940395355,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11504","display_name":"Advanced Authentication Protocols Security","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/privacy-preserving-transactions","display_name":"privacy-preserving transactions","score":0.7289999723434448},{"id":"https://openalex.org/keywords/transaction-settlement","display_name":"transaction settlement","score":0.3840000033378601},{"id":"https://openalex.org/keywords/financial-privacy","display_name":"financial privacy","score":0.36000001430511475}],"concepts":[{"id":"https://openalex.org/C2777403171","wikidata":"https://www.wikidata.org/wiki/Q7578732","display_name":"Splitter","level":2,"score":0.6868290901184082},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5829809904098511},{"id":"https://openalex.org/C145097563","wikidata":"https://www.wikidata.org/wiki/Q1148747","display_name":"Payment","level":2,"score":0.5307241678237915},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5012943744659424},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.49522891640663147},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4399792551994324},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.4262852072715759},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3535291254520416},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.23179778456687927},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14647921919822693},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09189954400062561},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.060136228799819946},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.56553/popets-2025-0168","doi":"https://doi.org/10.56553/popets-2025-0168","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2025-0168","pdf_url":null,"source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.56553/popets-2025-0168","doi":"https://doi.org/10.56553/popets-2025-0168","is_oa":true,"landing_page_url":"https://doi.org/10.56553/popets-2025-0168","pdf_url":null,"source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2125532919","https://openalex.org/W2119857390","https://openalex.org/W3113134525","https://openalex.org/W2329750440","https://openalex.org/W3135345069","https://openalex.org/W1968853115","https://openalex.org/W2542987661","https://openalex.org/W2031005964","https://openalex.org/W4390417410","https://openalex.org/W4250898657"],"abstract_inverted_index":{"In":[0,57],"a":[1,64],"world":[2],"where":[3],"financial":[4,51],"transactions":[5,78],"are":[6],"primarily":[7],"performed":[8],"or":[9,23,89,99],"recorded":[10],"online,":[11],"protecting":[12],"sensitive":[13,50,91],"transaction":[14,52,92],"details":[15,93],"has":[16],"become":[17],"crucial.":[18],"Roommates":[19],"sharing":[20],"housing":[21],"costs":[22],"friends":[24],"splitting":[25,67],"travelling":[26],"expenses":[27],"may":[28],"use":[29],"applications":[30],"such":[31],"as":[32,95,141],"Splitwise":[33],"to":[34,54,72,104,122],"easily":[35],"track":[36],"debts":[37],"and":[38,82,116],"minimize":[39],"the":[40,96,105,112],"number":[41],"of":[42,101,137,139,143],"individual":[43],"repayments.":[44],"However,":[45],"these":[46],"apps":[47],"reveal":[48],"potentially":[49],"activity":[53],"their":[55],"operators.":[56],"this":[58],"paper,":[59],"we":[60,129],"present":[61,131],"Silent":[62,108],"Splitter,":[63],"privacy-preserving":[65],"payment":[66],"system":[68,106],"which":[69],"enables":[70],"users":[71,97],"securely":[73,123],"set":[74],"up":[75],"groups,":[76,81],"perform":[77],"within":[79],"those":[80],"``settle":[83],"up''":[84],"without":[85],"revealing":[86],"group":[87],"membership":[88],"any":[90],"(such":[94],"involved":[98],"amount":[100],"money":[102],"exchanged)":[103],"itself.":[107],"Splitter":[109],"operates":[110],"in":[111],"two":[113],"server":[114],"setting":[115],"uses":[117],"Distributed":[118],"Point":[119],"Functions":[120],"(DPFs)":[121],"record":[124],"transactions.":[125],"Of":[126],"independent":[127],"interest,":[128],"also":[130],"new":[132],"protocols":[133],"for":[134],"proving":[135],"knowledge":[136],"properties":[138],"DPFs":[140],"part":[142],"our":[144],"system.":[145]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-10-06T10:28:23.643775","created_date":"2025-10-10T00:00:00"}
