{"id":"https://openalex.org/W4416249651","doi":"https://doi.org/10.1109/bcca66705.2025.11229822","title":"PPDS: A Practical and Privacy-Preserving Data Sharing Model for Blockchain-Based IoT e-Health Systems Using ECC, Zero-Knowledge Proof, and Access Control","display_name":"PPDS: A Practical and Privacy-Preserving Data Sharing Model for Blockchain-Based IoT e-Health Systems Using ECC, Zero-Knowledge Proof, and Access Control","publication_year":2025,"publication_date":"2025-10-14","ids":{"openalex":"https://openalex.org/W4416249651","doi":"https://doi.org/10.1109/bcca66705.2025.11229822"},"language":null,"primary_location":{"id":"doi:10.1109/bcca66705.2025.11229822","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bcca66705.2025.11229822","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 7th International Conference on Blockchain Computing and Applications (BCCA)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044000299","display_name":"Yuxiao Wu","orcid":"https://orcid.org/0000-0001-6684-858X"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuxiao Wu","raw_affiliation_strings":["Nagoya University,Graduate School of Informatics,Aichi,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nagoya University,Graduate School of Informatics,Aichi,Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kenta Kawai","orcid":null},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kenta Kawai","raw_affiliation_strings":["Nagoya University,Graduate School of Informatics,Aichi,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nagoya University,Graduate School of Informatics,Aichi,Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032302036","display_name":"Yutaka Matsubara","orcid":"https://orcid.org/0000-0002-1111-0761"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yutaka Matsubara","raw_affiliation_strings":["Nagoya University,Graduate School of Informatics,Aichi,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nagoya University,Graduate School of Informatics,Aichi,Japan","institution_ids":["https://openalex.org/I60134161"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I60134161"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.41684031,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"370","last_page":"377"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.65829998254776,"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":0.65829998254776,"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/T10237","display_name":"Cryptography and Data Security","score":0.13379999995231628,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.039000000804662704,"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/access-control","display_name":"Access control","score":0.6801000237464905},{"id":"https://openalex.org/keywords/data-sharing","display_name":"Data sharing","score":0.6193000078201294},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5659999847412109},{"id":"https://openalex.org/keywords/data-exchange","display_name":"Data exchange","score":0.43320000171661377},{"id":"https://openalex.org/keywords/data-access","display_name":"Data access","score":0.4269999861717224},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.41100001335144043},{"id":"https://openalex.org/keywords/health-care","display_name":"Health care","score":0.39500001072883606},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.35670000314712524},{"id":"https://openalex.org/keywords/information-sharing","display_name":"Information sharing","score":0.3472000062465668}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7099999785423279},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.6801000237464905},{"id":"https://openalex.org/C2779965156","wikidata":"https://www.wikidata.org/wiki/Q5227350","display_name":"Data sharing","level":3,"score":0.6193000078201294},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5659999847412109},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5212000012397766},{"id":"https://openalex.org/C15845906","wikidata":"https://www.wikidata.org/wiki/Q1172338","display_name":"Data exchange","level":2,"score":0.43320000171661377},{"id":"https://openalex.org/C47487241","wikidata":"https://www.wikidata.org/wiki/Q5227230","display_name":"Data access","level":2,"score":0.4269999861717224},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.41100001335144043},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.39500001072883606},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.35670000314712524},{"id":"https://openalex.org/C2776854237","wikidata":"https://www.wikidata.org/wiki/Q6031064","display_name":"Information sharing","level":2,"score":0.3472000062465668},{"id":"https://openalex.org/C2988170871","wikidata":"https://www.wikidata.org/wiki/Q11000047","display_name":"Healthcare system","level":3,"score":0.33880001306533813},{"id":"https://openalex.org/C10511746","wikidata":"https://www.wikidata.org/wiki/Q899388","display_name":"Data security","level":3,"score":0.33000001311302185},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.3231000006198883},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.3190000057220459},{"id":"https://openalex.org/C170130773","wikidata":"https://www.wikidata.org/wiki/Q216378","display_name":"Usability","level":2,"score":0.31369999051094055},{"id":"https://openalex.org/C2778759051","wikidata":"https://www.wikidata.org/wiki/Q5691085","display_name":"Health information exchange","level":4,"score":0.3131999969482422},{"id":"https://openalex.org/C2777407602","wikidata":"https://www.wikidata.org/wiki/Q1888932","display_name":"Mandatory access control","level":4,"score":0.3052999973297119},{"id":"https://openalex.org/C3017977704","wikidata":"https://www.wikidata.org/wiki/Q18745135","display_name":"Health data","level":3,"score":0.2883000075817108},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C69360830","wikidata":"https://www.wikidata.org/wiki/Q1172237","display_name":"Data Protection Act 1998","level":2,"score":0.28189998865127563},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.2759000062942505},{"id":"https://openalex.org/C2777059624","wikidata":"https://www.wikidata.org/wiki/Q914359","display_name":"Cloud storage","level":3,"score":0.2745000123977661},{"id":"https://openalex.org/C189693848","wikidata":"https://www.wikidata.org/wiki/Q6031064","display_name":"Information exchange","level":2,"score":0.2694000005722046},{"id":"https://openalex.org/C121822524","wikidata":"https://www.wikidata.org/wiki/Q5157582","display_name":"Computer security model","level":2,"score":0.2542000114917755},{"id":"https://openalex.org/C112930515","wikidata":"https://www.wikidata.org/wiki/Q4389547","display_name":"Risk analysis (engineering)","level":1,"score":0.2524999976158142},{"id":"https://openalex.org/C3019952477","wikidata":"https://www.wikidata.org/wiki/Q1324077","display_name":"Health records","level":3,"score":0.25209999084472656},{"id":"https://openalex.org/C33762810","wikidata":"https://www.wikidata.org/wiki/Q461671","display_name":"Data integrity","level":2,"score":0.25119999051094055}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bcca66705.2025.11229822","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bcca66705.2025.11229822","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 7th International Conference on Blockchain Computing and Applications (BCCA)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2129181369","https://openalex.org/W2514862440","https://openalex.org/W2918245750","https://openalex.org/W2963983602","https://openalex.org/W3021990601","https://openalex.org/W3093715810","https://openalex.org/W3120123584","https://openalex.org/W4205187614","https://openalex.org/W4285220101","https://openalex.org/W4383613896","https://openalex.org/W4389736256","https://openalex.org/W4391847476"],"related_works":[],"abstract_inverted_index":{"The":[0],"generation":[1],"and":[2,14,39,95,103,116,125,139,147],"exchange":[3],"of":[4,52,63],"diverse":[5],"e-health":[6,53,90],"records,":[7,43],"such":[8],"as":[9],"Personal":[10],"Health":[11],"Records":[12,17],"(PHRs)":[13],"Electronic":[15],"Medical":[16],"(EMRs),":[18],"have":[19],"become":[20],"increasingly":[21],"critical":[22,76],"in":[23,37],"supporting":[24],"comprehensive":[25],"clinical":[26],"decision-making":[27],"across":[28],"healthcare":[29,132],"institutions.":[30],"While":[31],"significant":[32],"progress":[33],"has":[34],"been":[35],"made":[36],"securely":[38],"efficiently":[40],"sharing":[41],"these":[42],"current":[44],"solutions":[45],"often":[46],"struggle":[47],"to":[48,70,99,120,134,151],"handle":[49],"multiple":[50],"types":[51],"data":[54],"simultaneously.":[55],"Moreover,":[56],"a":[57,75,87,122,130],"patient-centric":[58],"approach,":[59],"which":[60],"balances":[61],"ease":[62],"use":[64],"for":[65],"patients":[66],"with":[67],"the":[68],"need":[69],"ensure":[71,121],"their":[72],"privacy,":[73],"remains":[74],"challenge":[77],"that":[78],"requires":[79],"further":[80],"exploration.":[81],"In":[82],"this":[83],"paper,":[84],"we":[85],"propose":[86],"decentralized,":[88],"IoT-enabled":[89],"data-sharing":[91],"model":[92,106],"leveraging":[93],"blockchain":[94],"cloud":[96],"technologies,":[97],"designed":[98],"support":[100],"both":[101],"PHRs":[102],"EMRs.":[104],"Our":[105],"incorporates":[107],"advanced":[108],"security":[109,149],"features,":[110],"including":[111],"zero-knowledge":[112],"proof,":[113],"elliptic-curve":[114],"cryptography,":[115],"decentralized":[117],"access":[118],"control,":[119],"practical,":[123],"secure,":[124],"privacy-preserving":[126],"system.":[127],"We":[128],"simulate":[129],"real":[131],"environment":[133],"demonstrate":[135],"its":[136],"practical":[137],"feasibility,":[138],"performance":[140],"evaluations":[141],"show":[142],"our":[143],"system\u2019s":[144],"superior":[145],"efficiency":[146],"enhanced":[148],"compared":[150],"existing":[152],"solutions.":[153]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-11-14T00:00:00"}