{"id":"https://openalex.org/W4363648068","doi":"https://doi.org/10.3390/fi15040143","title":"Implementing GDPR-Compliant Surveys Using Blockchain","display_name":"Implementing GDPR-Compliant Surveys Using Blockchain","publication_year":2023,"publication_date":"2023-04-07","ids":{"openalex":"https://openalex.org/W4363648068","doi":"https://doi.org/10.3390/fi15040143"},"language":"en","primary_location":{"id":"doi:10.3390/fi15040143","is_oa":true,"landing_page_url":"https://doi.org/10.3390/fi15040143","pdf_url":"https://www.mdpi.com/1999-5903/15/4/143/pdf?version=1680865216","source":{"id":"https://openalex.org/S34838331","display_name":"Future Internet","issn_l":"1999-5903","issn":["1999-5903"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Future Internet","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1999-5903/15/4/143/pdf?version=1680865216","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5036763309","display_name":"Ricardo Martins Gon\u00e7alves","orcid":"https://orcid.org/0000-0002-0760-6270"},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]},{"id":"https://openalex.org/I203847022","display_name":"Instituto Polit\u00e9cnico de Lisboa","ror":"https://ror.org/04ea70f07","country_code":"PT","type":"education","lineage":["https://openalex.org/I203847022"]},{"id":"https://openalex.org/I4210103604","display_name":"Instituto de Novas Tecnologias","ror":"https://ror.org/00we1pa83","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210103604","https://openalex.org/I4210125590"]},{"id":"https://openalex.org/I4210125590","display_name":"Institute for Systems Engineering and Computers","ror":"https://ror.org/033wn8m60","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Ricardo Martins Gon\u00e7alves","raw_affiliation_strings":["INOV INESC Inova\u00e7\u00e3o, R. Alves Redol 9, 1000-029 Lisbon, Portugal","Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-0760-6270","affiliations":[{"raw_affiliation_string":"INOV INESC Inova\u00e7\u00e3o, R. Alves Redol 9, 1000-029 Lisbon, Portugal","institution_ids":["https://openalex.org/I4210103604","https://openalex.org/I4210125590"]},{"raw_affiliation_string":"Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal","institution_ids":["https://openalex.org/I141596103","https://openalex.org/I203847022"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020564170","display_name":"Miguel Mira da Silva","orcid":"https://orcid.org/0000-0002-0489-4465"},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]},{"id":"https://openalex.org/I203847022","display_name":"Instituto Polit\u00e9cnico de Lisboa","ror":"https://ror.org/04ea70f07","country_code":"PT","type":"education","lineage":["https://openalex.org/I203847022"]},{"id":"https://openalex.org/I4210103604","display_name":"Instituto de Novas Tecnologias","ror":"https://ror.org/00we1pa83","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210103604","https://openalex.org/I4210125590"]},{"id":"https://openalex.org/I4210125590","display_name":"Institute for Systems Engineering and Computers","ror":"https://ror.org/033wn8m60","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Miguel Mira da Silva","raw_affiliation_strings":["INOV INESC Inova\u00e7\u00e3o, R. Alves Redol 9, 1000-029 Lisbon, Portugal","Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-0489-4465","affiliations":[{"raw_affiliation_string":"INOV INESC Inova\u00e7\u00e3o, R. Alves Redol 9, 1000-029 Lisbon, Portugal","institution_ids":["https://openalex.org/I4210103604","https://openalex.org/I4210125590"]},{"raw_affiliation_string":"Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal","institution_ids":["https://openalex.org/I141596103","https://openalex.org/I203847022"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000326321","display_name":"Paulo Rupino da Cunha","orcid":"https://orcid.org/0000-0003-2701-5248"},"institutions":[{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Paulo Rupino da Cunha","raw_affiliation_strings":["Department of Informatics Engineering, Faculty of Science and Technology, University of Coimbra, R. S\u00edlvio Lima, P\u00f3lo II da Universidade de Coimbra, 3030-790 Coimbra, Portugal"],"raw_orcid":"https://orcid.org/0000-0003-2701-5248","affiliations":[{"raw_affiliation_string":"Department of Informatics Engineering, Faculty of Science and Technology, University of Coimbra, R. S\u00edlvio Lima, P\u00f3lo II da Universidade de Coimbra, 3030-790 Coimbra, Portugal","institution_ids":["https://openalex.org/I76903346"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5036763309"],"corresponding_institution_ids":["https://openalex.org/I141596103","https://openalex.org/I203847022","https://openalex.org/I4210103604","https://openalex.org/I4210125590"],"apc_list":{"value":1600,"currency":"CHF","value_usd":1782},"apc_paid":{"value":1600,"currency":"CHF","value_usd":1782},"fwci":3.9413,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.94027866,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"15","issue":"4","first_page":"143","last_page":"143"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9977999925613403,"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/immutability","display_name":"Immutability","score":0.9651842713356018},{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.8707029819488525},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8423217535018921},{"id":"https://openalex.org/keywords/general-data-protection-regulation","display_name":"General Data Protection Regulation","score":0.7101699709892273},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.5615249872207642},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5552953481674194},{"id":"https://openalex.org/keywords/european-union","display_name":"European union","score":0.4931308925151825},{"id":"https://openalex.org/keywords/pillar","display_name":"Pillar","score":0.4897642135620117},{"id":"https://openalex.org/keywords/data-protection-act-1998","display_name":"Data Protection Act 1998","score":0.4661732017993927},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.117108553647995}],"concepts":[{"id":"https://openalex.org/C2776126399","wikidata":"https://www.wikidata.org/wiki/Q3942906","display_name":"Immutability","level":3,"score":0.9651842713356018},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.8707029819488525},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8423217535018921},{"id":"https://openalex.org/C3090818","wikidata":"https://www.wikidata.org/wiki/Q1172506","display_name":"General Data Protection Regulation","level":3,"score":0.7101699709892273},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.5615249872207642},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5552953481674194},{"id":"https://openalex.org/C2910001868","wikidata":"https://www.wikidata.org/wiki/Q458","display_name":"European union","level":2,"score":0.4931308925151825},{"id":"https://openalex.org/C105289051","wikidata":"https://www.wikidata.org/wiki/Q1930094","display_name":"Pillar","level":2,"score":0.4897642135620117},{"id":"https://openalex.org/C69360830","wikidata":"https://www.wikidata.org/wiki/Q1172237","display_name":"Data Protection Act 1998","level":2,"score":0.4661732017993927},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.117108553647995},{"id":"https://openalex.org/C105639569","wikidata":"https://www.wikidata.org/wiki/Q582577","display_name":"Economic policy","level":1,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/fi15040143","is_oa":true,"landing_page_url":"https://doi.org/10.3390/fi15040143","pdf_url":"https://www.mdpi.com/1999-5903/15/4/143/pdf?version=1680865216","source":{"id":"https://openalex.org/S34838331","display_name":"Future Internet","issn_l":"1999-5903","issn":["1999-5903"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Future Internet","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:gam:jftint:v:15:y:2023:i:4:p:143-:d:1118337","is_oa":false,"landing_page_url":"https://www.mdpi.com/1999-5903/15/4/143/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:d54bc6912a9848e582f0c6a7b3ba0bd9","is_oa":true,"landing_page_url":"https://doaj.org/article/d54bc6912a9848e582f0c6a7b3ba0bd9","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":"Future Internet, Vol 15, Iss 4, p 143 (2023)","raw_type":"article"},{"id":"pmh:oai:estudogeral.uc.pt:10316/113432","is_oa":true,"landing_page_url":"https://hdl.handle.net/10316/113432","pdf_url":null,"source":{"id":"https://openalex.org/S4306401208","display_name":"Estudo Geral (Universidade de Coimbra)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2802025818","host_organization_name":"Hospitais da Universidade de Coimbra","host_organization_lineage":["https://openalex.org/I2802025818"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:mdpi.com:/1999-5903/15/4/143/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/fi15040143","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Future Internet; Volume 15; Issue 4; Pages: 143","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/fi15040143","is_oa":true,"landing_page_url":"https://doi.org/10.3390/fi15040143","pdf_url":"https://www.mdpi.com/1999-5903/15/4/143/pdf?version=1680865216","source":{"id":"https://openalex.org/S34838331","display_name":"Future Internet","issn_l":"1999-5903","issn":["1999-5903"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Future Internet","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.6299999952316284,"id":"https://metadata.un.org/sdg/8"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4363648068.pdf"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W49430076","https://openalex.org/W394224699","https://openalex.org/W2136922540","https://openalex.org/W2506977975","https://openalex.org/W2803336194","https://openalex.org/W2911357324","https://openalex.org/W2936206606","https://openalex.org/W2967113610","https://openalex.org/W2979715685","https://openalex.org/W2980381981","https://openalex.org/W2999757751","https://openalex.org/W3011385309","https://openalex.org/W3016733724","https://openalex.org/W3026642417","https://openalex.org/W3039849271","https://openalex.org/W3043071284","https://openalex.org/W3049000473","https://openalex.org/W3089686888","https://openalex.org/W3100053218","https://openalex.org/W3111057506","https://openalex.org/W3113315534","https://openalex.org/W3128318321","https://openalex.org/W3134353321","https://openalex.org/W3151685851","https://openalex.org/W3160014853","https://openalex.org/W3160618055","https://openalex.org/W3171233080","https://openalex.org/W3178180748","https://openalex.org/W3194722716","https://openalex.org/W3211540716","https://openalex.org/W4205137660","https://openalex.org/W4210838396","https://openalex.org/W4211068006","https://openalex.org/W4211229461","https://openalex.org/W4220752224","https://openalex.org/W4241907869","https://openalex.org/W4252355704","https://openalex.org/W4312620447","https://openalex.org/W6758488388"],"related_works":["https://openalex.org/W3130746757","https://openalex.org/W4380683080","https://openalex.org/W2917102635","https://openalex.org/W3023256691","https://openalex.org/W2603253017","https://openalex.org/W2883729192","https://openalex.org/W2901967497","https://openalex.org/W2910484607","https://openalex.org/W2789497412","https://openalex.org/W2794700933"],"abstract_inverted_index":{"The":[0],"immutability":[1,125],"of":[2,12,79,129],"data":[3,39,55,87,101],"stored":[4],"in":[5,14,24,88],"a":[6,9,80,89],"blockchain":[7,97],"is":[8,135],"crucial":[10],"pillar":[11],"trust":[13],"this":[15,73],"technology,":[16],"which":[17],"has":[18],"led":[19],"to":[20,35,50,61,64,69,82,98,142],"its":[21],"increasing":[22],"adoption":[23],"various":[25,143],"use":[26],"cases.":[27],"However,":[28],"there":[29],"are":[30],"situations":[31],"where":[32],"the":[33,62,67,77,114,130,133],"inability":[34],"change":[36],"or":[37],"delete":[38],"may":[40],"be":[41,70,103,140],"illegal.":[42],"European":[43,57],"Union\u2019s":[44],"General":[45],"Data":[46],"Protection":[47],"Regulation":[48],"(GDPR)\u2014applying":[49],"any":[51],"company":[52],"processing":[53],"personal":[54],"from":[56],"citizens\u2014explicitly":[58],"entitles":[59],"individuals":[60],"right":[63,68],"rectification":[65],"and":[66,84,106,137],"forgotten.":[71],"In":[72],"paper,":[74],"we":[75,117],"describe":[76],"design":[78],"system":[81],"deploy":[83],"process":[85],"survey":[86],"GDPR-compliant":[90],"manner.":[91],"It":[92],"combines":[93],"an":[94],"Hyperledger":[95],"Fabric":[96],"ensure":[99],"that":[100],"cannot":[102],"tampered":[104],"with":[105],"InterPlanetary":[107],"File":[108],"Systems":[109],"(IPFS)":[110],"for":[111],"storage.":[112],"With":[113],"proposed":[115],"arrangement,":[116],"reap":[118],"several":[119],"security":[120],"benefits":[121],"enabled":[122],"by":[123],"blockchain\u2019s":[124],"without":[126],"running":[127],"afoul":[128],"regulations.":[131],"Furthermore,":[132],"proof-of-concept":[134],"generic":[136],"can":[138],"easily":[139],"adapted":[141],"domains.":[144]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":4}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2023-04-11T00:00:00"}
