{"id":"https://openalex.org/W3134353321","doi":"https://doi.org/10.1109/access.2021.3064896","title":"PETchain: A Blockchain-Based Privacy Enhancing Technology","display_name":"PETchain: A Blockchain-Based Privacy Enhancing Technology","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3134353321","doi":"https://doi.org/10.1109/access.2021.3064896","mag":"3134353321"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3064896","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3064896","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09373373.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09373373.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047116046","display_name":"Ibrahim Tariq Javed","orcid":"https://orcid.org/0000-0002-7030-5200"},"institutions":[{"id":"https://openalex.org/I168346926","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38","country_code":"IE","type":"nonprofit","lineage":["https://openalex.org/I168346926"]},{"id":"https://openalex.org/I230495080","display_name":"University of Limerick","ror":"https://ror.org/00a0n9e72","country_code":"IE","type":"education","lineage":["https://openalex.org/I230495080"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Ibrahim Tariq Javed","raw_affiliation_strings":["Lero\u2014Science Foundation Ireland Research Centre for Software, University of Limerick, Limerick","LERO - The Irish Software Engineering Research Centre (Tierney Building, University of Limerick, Sreelane, Limerick, V94 NYD3 - Ireland)"],"raw_orcid":"https://orcid.org/0000-0002-7030-5200","affiliations":[{"raw_affiliation_string":"Lero\u2014Science Foundation Ireland Research Centre for Software, University of Limerick, Limerick","institution_ids":["https://openalex.org/I168346926"]},{"raw_affiliation_string":"LERO - The Irish Software Engineering Research Centre (Tierney Building, University of Limerick, Sreelane, Limerick, V94 NYD3 - Ireland)","institution_ids":["https://openalex.org/I230495080"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102999217","display_name":"Fares Alharbi","orcid":"https://orcid.org/0000-0002-0422-4592"},"institutions":[{"id":"https://openalex.org/I206935292","display_name":"Shaqra University","ror":"https://ror.org/05hawb687","country_code":"SA","type":"education","lineage":["https://openalex.org/I206935292"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Fares Alharbi","raw_affiliation_strings":["Shaqra University, Riyadh, Saudi Arabia","SU - Shaqra University, Saudi Arabia (Shaqra Saudi Arabia - Saudi Arabia)"],"raw_orcid":"https://orcid.org/0000-0002-0422-4592","affiliations":[{"raw_affiliation_string":"Shaqra University, Riyadh, Saudi Arabia","institution_ids":["https://openalex.org/I206935292"]},{"raw_affiliation_string":"SU - Shaqra University, Saudi Arabia (Shaqra Saudi Arabia - Saudi Arabia)","institution_ids":["https://openalex.org/I206935292"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013165259","display_name":"Tiziana Margaria","orcid":"https://orcid.org/0000-0002-5547-9739"},"institutions":[{"id":"https://openalex.org/I168346926","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38","country_code":"IE","type":"nonprofit","lineage":["https://openalex.org/I168346926"]},{"id":"https://openalex.org/I230495080","display_name":"University of Limerick","ror":"https://ror.org/00a0n9e72","country_code":"IE","type":"education","lineage":["https://openalex.org/I230495080"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Tiziana Margaria","raw_affiliation_strings":["Lero\u2014Science Foundation Ireland Research Centre for Software, University of Limerick, Limerick","LERO - The Irish Software Engineering Research Centre (Tierney Building, University of Limerick, Sreelane, Limerick, V94 NYD3 - Ireland)"],"raw_orcid":"https://orcid.org/0000-0002-5547-9739","affiliations":[{"raw_affiliation_string":"Lero\u2014Science Foundation Ireland Research Centre for Software, University of Limerick, Limerick","institution_ids":["https://openalex.org/I168346926"]},{"raw_affiliation_string":"LERO - The Irish Software Engineering Research Centre (Tierney Building, University of Limerick, Sreelane, Limerick, V94 NYD3 - Ireland)","institution_ids":["https://openalex.org/I230495080"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107205316","display_name":"No\u00ebl Crespi","orcid":"https://orcid.org/0000-0003-2962-192X"},"institutions":[{"id":"https://openalex.org/I4210145102","display_name":"Institut Polytechnique de Paris","ror":"https://ror.org/042tfbd02","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210145102"]},{"id":"https://openalex.org/I4387153010","display_name":"T\u00e9l\u00e9com SudParis","ror":"https://ror.org/05xvk4r52","country_code":"FR","type":"education","lineage":["https://openalex.org/I205703379","https://openalex.org/I4210145102","https://openalex.org/I4387153010"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Noel Crespi","raw_affiliation_strings":["Institut Polytechnique de Paris, Telecom SudParis, Evry, France","R3S-SAMOVAR - R\u00e9seaux, Syst\u00e8mes, Services, S\u00e9curit\u00e9 (TELECOM Sudparis\r\n 9 rue Charles Fourier\r\n 91011 EVRY - France)","TSP - RS2M - D\u00e9partement R\u00e9seaux et Services Multim\u00e9dia Mobiles (T\u00e9l\u00e9com SudParis - 9 rue Charles Fourier - 91011 \u00c9vry cedex - France)","IP Paris - Institut Polytechnique de Paris (France)"],"raw_orcid":"https://orcid.org/0000-0003-2962-192X","affiliations":[{"raw_affiliation_string":"Institut Polytechnique de Paris, Telecom SudParis, Evry, France","institution_ids":["https://openalex.org/I4210145102"]},{"raw_affiliation_string":"R3S-SAMOVAR - R\u00e9seaux, Syst\u00e8mes, Services, S\u00e9curit\u00e9 (TELECOM Sudparis\r\n 9 rue Charles Fourier\r\n 91011 EVRY - France)","institution_ids":["https://openalex.org/I4387153010"]},{"raw_affiliation_string":"TSP - RS2M - D\u00e9partement R\u00e9seaux et Services Multim\u00e9dia Mobiles (T\u00e9l\u00e9com SudParis - 9 rue Charles Fourier - 91011 \u00c9vry cedex - France)","institution_ids":["https://openalex.org/I4210145102","https://openalex.org/I4387153010"]},{"raw_affiliation_string":"IP Paris - Institut Polytechnique de Paris (France)","institution_ids":["https://openalex.org/I4210145102"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047704023","display_name":"Kashif Naseer Qureshi","orcid":"https://orcid.org/0000-0003-3045-8402"},"institutions":[{"id":"https://openalex.org/I59225215","display_name":"Bahria University","ror":"https://ror.org/02v8d7770","country_code":"PK","type":"education","lineage":["https://openalex.org/I59225215"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Kashif Naseer Qureshi","raw_affiliation_strings":["Bahria University, Islamabad, Pakistan","Bahria University (Shangrilla Road, Sector E-8\r\nIslamabad - Pakistan)"],"raw_orcid":"https://orcid.org/0000-0003-3045-8402","affiliations":[{"raw_affiliation_string":"Bahria University, Islamabad, Pakistan","institution_ids":["https://openalex.org/I59225215"]},{"raw_affiliation_string":"Bahria University (Shangrilla Road, Sector E-8\r\nIslamabad - Pakistan)","institution_ids":["https://openalex.org/I59225215"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":11.9497,"has_fulltext":true,"cited_by_count":54,"citation_normalized_percentile":{"value":0.9850253,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"9","issue":null,"first_page":"41129","last_page":"41143"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.9994000196456909,"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/T10237","display_name":"Cryptography and Data Security","score":0.9979000091552734,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7701719999313354},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.6950092315673828},{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.6887391805648804},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6164225339889526},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.6055106520652771},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5558887124061584},{"id":"https://openalex.org/keywords/usability","display_name":"Usability","score":0.5460226535797119},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.5307295918464661},{"id":"https://openalex.org/keywords/privacy-software","display_name":"Privacy software","score":0.4737059772014618},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.4541357159614563},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4343673586845398},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.11114940047264099}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7701719999313354},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.6950092315673828},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.6887391805648804},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6164225339889526},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.6055106520652771},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5558887124061584},{"id":"https://openalex.org/C170130773","wikidata":"https://www.wikidata.org/wiki/Q216378","display_name":"Usability","level":2,"score":0.5460226535797119},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.5307295918464661},{"id":"https://openalex.org/C509729295","wikidata":"https://www.wikidata.org/wiki/Q7246032","display_name":"Privacy software","level":3,"score":0.4737059772014618},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.4541357159614563},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4343673586845398},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.11114940047264099},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/access.2021.3064896","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3064896","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09373373.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:http://www.rian.ie/195007/","is_oa":false,"landing_page_url":"http://hdl.handle.net/10344/9904","pdf_url":null,"source":{"id":"https://openalex.org/S4306400033","display_name":"Arrow@dit (Dublin Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I115570527","host_organization_name":"Dublin Institute of Technology","host_organization_lineage":["https://openalex.org/I115570527"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"IEEE Access;9  41129","raw_type":"Journal article"},{"id":"pmh:oai:HAL:hal-03174749v1","is_oa":false,"landing_page_url":"https://hal.science/hal-03174749","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, 2021, 9, pp.41129-41143. &#x27E8;10.1109/ACCESS.2021.3064896&#x27E9;","raw_type":"Journal articles"},{"id":"pmh:oai:doaj.org/article:2269b52b27ca4043b4e1039bebe8b554","is_oa":true,"landing_page_url":"https://doaj.org/article/2269b52b27ca4043b4e1039bebe8b554","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 9, Pp 41129-41143 (2021)","raw_type":"article"},{"id":"pmh:oai:figshare.com:article/19852645","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/PETchain_A_blockchain-based_privacy_enhancing_technology/19852645","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3064896","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3064896","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09373373.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7249039700","display_name":null,"funder_award_id":"754489","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G7842005466","display_name":null,"funder_award_id":"Horizon 2020","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8515955051","display_name":null,"funder_award_id":"13/RC/2094_P2","funder_id":"https://openalex.org/F4320320847","funder_display_name":"Science Foundation Ireland"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320320847","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38"},{"id":"https://openalex.org/F4320324457","display_name":"Shaqra University","ror":"https://ror.org/05hawb687"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3134353321.pdf","grobid_xml":"https://content.openalex.org/works/W3134353321.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W1559136758","https://openalex.org/W1844512392","https://openalex.org/W1980348618","https://openalex.org/W1982306593","https://openalex.org/W2027595342","https://openalex.org/W2134167315","https://openalex.org/W2134479759","https://openalex.org/W2136114025","https://openalex.org/W2159024459","https://openalex.org/W2536325433","https://openalex.org/W2549654239","https://openalex.org/W2564430719","https://openalex.org/W2588585573","https://openalex.org/W2601306580","https://openalex.org/W2606537796","https://openalex.org/W2741593962","https://openalex.org/W2744999500","https://openalex.org/W2772116062","https://openalex.org/W2876503617","https://openalex.org/W2899028120","https://openalex.org/W2914797198","https://openalex.org/W2949726555","https://openalex.org/W2964258141","https://openalex.org/W2980381981","https://openalex.org/W2982151462","https://openalex.org/W2995854699","https://openalex.org/W3013262035","https://openalex.org/W3036294266","https://openalex.org/W3090149189","https://openalex.org/W3118817917","https://openalex.org/W3151748982","https://openalex.org/W3185484358","https://openalex.org/W4205228770","https://openalex.org/W4248175462","https://openalex.org/W6638711193","https://openalex.org/W6679975643","https://openalex.org/W6729344810","https://openalex.org/W6730709741","https://openalex.org/W6742578501","https://openalex.org/W6746545487","https://openalex.org/W6787759093","https://openalex.org/W6788496149","https://openalex.org/W6793285265"],"related_works":["https://openalex.org/W4304208041","https://openalex.org/W4315488958","https://openalex.org/W3176515490","https://openalex.org/W3185918024","https://openalex.org/W3138333794","https://openalex.org/W2773408865","https://openalex.org/W4226426276","https://openalex.org/W2083287929","https://openalex.org/W4241535341","https://openalex.org/W2735874745"],"abstract_inverted_index":{"With":[0],"the":[1,161],"increasing":[2],"use":[3],"of":[4,11,119,183],"smart":[5],"devices":[6],"and":[7,26,46,56,93,139,151,169,181],"sensors,":[8],"enormous":[9],"amounts":[10],"data":[12,18,32,53,82,98,121,143,172],"are":[13,185],"being":[14],"generated":[15],"continuously.":[16],"The":[17,31,85,179],"is":[19,33,67,79,144],"commonly":[20],"stored":[21,145],"in":[22,63,147,153],"centralized":[23],"cloud":[24],"platforms":[25],"consumed":[27],"by":[28,176,187],"different":[29],"services.":[30],"indeed":[34],"a":[35,71,109,132,148,154,191],"valuable":[36],"resource":[37],"for":[38,70],"many":[39,64],"service":[40,77,114,177],"providers":[41,115],"who":[42],"provide":[43,108],"advanced":[44],"features":[45],"utilities":[47],"to":[48,73,107,116,166],"their":[49,76,124,171],"subscribers.":[50],"However,":[51],"user":[52,120],"include":[54],"personal":[55],"sensitive":[57],"information":[58],"which":[59],"can":[60,173],"be":[61,174],"misused":[62],"ways.":[65],"There":[66],"no":[68],"way":[69],"subscriber":[72],"confirm":[74],"that":[75,112,163],"provider":[78],"compliant":[80],"with":[81],"privacy":[83,87,95,134],"regulations.":[84],"existing":[86],"enhancing":[88,135],"techniques":[89],"such":[90],"as":[91],"anonymization":[92],"differential":[94],"substantially":[96],"reduce":[97],"usability":[99],"while":[100,122],"ensuring":[101],"privacy.":[102,125],"Therefore,":[103],"it":[104],"remains":[105],"essential":[106],"feasible":[110],"solution":[111],"allows":[113,164],"take":[117],"advantage":[118],"guaranteeing":[123],"In":[126,141],"this":[127],"paper,":[128],"we":[129],"present":[130],"PETchain:":[131],"novel":[133],"technology":[136],"using":[137],"blockchain":[138],"smartcontract.":[140],"PETchain,":[142],"securely":[146],"distributed":[149],"manner":[150],"processed":[152],"user-selected":[155],"trusted":[156],"execution":[157],"environment.":[158],"Users":[159],"deploy":[160],"smartcontract":[162],"them":[165],"decide":[167],"whether":[168],"how":[170],"exploited":[175],"providers.":[178],"feasibility":[180],"performance":[182],"PETchain":[184,189],"presented":[186],"implementing":[188],"over":[190],"consortium":[192],"Ethereum":[193],"blockchain.":[194]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":17},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":2}],"updated_date":"2026-06-21T07:57:09.225873","created_date":"2025-10-10T00:00:00"}
