{"id":"https://openalex.org/W3212346886","doi":"https://doi.org/10.1109/wf-iot51360.2021.9595910","title":"MapChain: A DHT-Based Dual-Blockchain Data Structure for Large-Scale IoT Systems","display_name":"MapChain: A DHT-Based Dual-Blockchain Data Structure for Large-Scale IoT Systems","publication_year":2021,"publication_date":"2021-06-14","ids":{"openalex":"https://openalex.org/W3212346886","doi":"https://doi.org/10.1109/wf-iot51360.2021.9595910","mag":"3212346886"},"language":"en","primary_location":{"id":"doi:10.1109/wf-iot51360.2021.9595910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wf-iot51360.2021.9595910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 7th World Forum on Internet of Things (WF-IoT)","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/A5053574427","display_name":"Tiantong Wu","orcid":"https://orcid.org/0000-0003-0616-2521"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Tiantong Wu","raw_affiliation_strings":["The University of Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064721659","display_name":"Phee Lep Yeoh","orcid":"https://orcid.org/0000-0002-2516-4226"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Phee Lep Yeoh","raw_affiliation_strings":["The University of Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048589475","display_name":"Guillaume Jourjon","orcid":"https://orcid.org/0000-0003-4557-7690"},"institutions":[{"id":"https://openalex.org/I1292875679","display_name":"Commonwealth Scientific and Industrial Research Organisation","ror":"https://ror.org/03qn8fb07","country_code":"AU","type":"government","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4387156119"]},{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Guillaume Jourjon","raw_affiliation_strings":["Data61, CSIRO, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Data61, CSIRO, Sydney, Australia","institution_ids":["https://openalex.org/I1292875679","https://openalex.org/I42894916"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073287852","display_name":"Kanchana Thilakarathna","orcid":"https://orcid.org/0000-0003-4332-0082"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Kanchana Thilakarathna","raw_affiliation_strings":["The University of Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"42","issue":null,"first_page":"177","last_page":"182"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9997000098228455,"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":0.9997000098228455,"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/T11478","display_name":"Caching and Content Delivery","score":0.9994999766349792,"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"}},{"id":"https://openalex.org/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9991000294685364,"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/computer-science","display_name":"Computer science","score":0.8509690761566162},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7851091623306274},{"id":"https://openalex.org/keywords/distributed-hash-table","display_name":"Distributed hash table","score":0.7789468765258789},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.6369752287864685},{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.6135768890380859},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.49884939193725586},{"id":"https://openalex.org/keywords/distributed-database","display_name":"Distributed database","score":0.479842871427536},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.44406983256340027},{"id":"https://openalex.org/keywords/distributed-data-store","display_name":"Distributed data store","score":0.42331552505493164},{"id":"https://openalex.org/keywords/hash-table","display_name":"Hash table","score":0.4212837219238281},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38428691029548645},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.24071341753005981},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.2201588749885559}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8509690761566162},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7851091623306274},{"id":"https://openalex.org/C2780224649","wikidata":"https://www.wikidata.org/wiki/Q863506","display_name":"Distributed hash table","level":3,"score":0.7789468765258789},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.6369752287864685},{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.6135768890380859},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.49884939193725586},{"id":"https://openalex.org/C70061542","wikidata":"https://www.wikidata.org/wiki/Q989016","display_name":"Distributed database","level":2,"score":0.479842871427536},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.44406983256340027},{"id":"https://openalex.org/C24885549","wikidata":"https://www.wikidata.org/wiki/Q339678","display_name":"Distributed data store","level":2,"score":0.42331552505493164},{"id":"https://openalex.org/C67388219","wikidata":"https://www.wikidata.org/wiki/Q207440","display_name":"Hash table","level":3,"score":0.4212837219238281},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38428691029548645},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.24071341753005981},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.2201588749885559}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wf-iot51360.2021.9595910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wf-iot51360.2021.9595910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 7th World Forum on Internet of Things (WF-IoT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4000000059604645,"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1559136758","https://openalex.org/W2003544295","https://openalex.org/W2061860832","https://openalex.org/W2074709832","https://openalex.org/W2076587863","https://openalex.org/W2104927807","https://openalex.org/W2105103777","https://openalex.org/W2121531691","https://openalex.org/W2293292771","https://openalex.org/W2620284884","https://openalex.org/W2800068681","https://openalex.org/W2901618220","https://openalex.org/W2902571157","https://openalex.org/W2932941055","https://openalex.org/W2982781885","https://openalex.org/W2997035848","https://openalex.org/W3073317681","https://openalex.org/W3091665258","https://openalex.org/W4300002018"],"related_works":["https://openalex.org/W2360647157","https://openalex.org/W1591638986","https://openalex.org/W2078737901","https://openalex.org/W1566134492","https://openalex.org/W1701068577","https://openalex.org/W2102755235","https://openalex.org/W2358163560","https://openalex.org/W2134623410","https://openalex.org/W2403753337","https://openalex.org/W4233890295"],"abstract_inverted_index":{"The":[0],"rapid":[1],"growth":[2],"of":[3,5,13,28,92,112,122],"Internet":[4],"Things":[6],"(IoT)":[7],"devices":[8],"is":[9,58,67],"creating":[10],"enormous":[11],"amounts":[12],"data":[14,29,44,123],"in":[15,71,90,125],"large-scale":[16],"IoT":[17,53,74],"systems.":[18,54],"In":[19,36],"such":[20],"systems,":[21],"the":[22,110],"efficiency,":[23],"trustworthiness,":[24],"confidentiality,":[25],"and":[26,31,69,79,96,128],"integrity":[27],"storage":[30],"retrieval":[32],"are":[33,106],"significant":[34],"challenges.":[35],"this":[37],"paper,":[38],"we":[39],"propose":[40],"a":[41,47,61],"dual-blockchain":[42],"distributed":[43,62,113],"structure":[45],"as":[46,118,120],"highly":[48],"scalable":[49],"solution":[50],"for":[51],"resource-constrained":[52],"Our":[55],"proposed":[56],"model":[57,86,127],"based":[59],"on":[60],"hash":[63],"table":[64],"(DHT)":[65],"which":[66],"implemented":[68],"benchmarked":[70],"an":[72],"experimental":[73,80],"network":[75],"environment.":[76],"Performance":[77],"analysis":[78],"results":[81],"highlight":[82],"that":[83],"our":[84,126],"dual-chain":[85],"provides":[87],"better":[88],"scalability":[89],"terms":[91],"space":[93],"consumption,":[94],"latency":[95],"computational":[97],"complexity":[98],"compared":[99],"to":[100,108],"baseline":[101],"single-chain":[102],"models.":[103],"Security":[104],"analyses":[105],"provided":[107],"discuss":[109],"feasibility":[111],"trust":[114],"management,":[115],"fault":[116],"tolerance,":[117],"well":[119],"confidentiality":[121],"stored":[124],"conflict":[129],"avoidance":[130],"mechanisms.":[131]},"counts_by_year":[{"year":2023,"cited_by_count":4}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}