{"id":"https://openalex.org/W2468025493","doi":"https://doi.org/10.1145/2942358.2947401","title":"LocalCoin","display_name":"LocalCoin","publication_year":2016,"publication_date":"2016-07-05","ids":{"openalex":"https://openalex.org/W2468025493","doi":"https://doi.org/10.1145/2942358.2947401","mag":"2468025493"},"language":"en","primary_location":{"id":"doi:10.1145/2942358.2947401","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2942358.2947401","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th ACM International Symposium on Mobile Ad Hoc Networking and Computing","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://infoscience.epfl.ch/record/269038/files/p365-chatzopoulos.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101739299","display_name":"Dimitris Chatzopoulos","orcid":"https://orcid.org/0000-0002-4765-5085"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Dimitris Chatzopoulos","raw_affiliation_strings":["HKUST"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"HKUST","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058878407","display_name":"Sujit Gujar","orcid":"https://orcid.org/0000-0003-4634-7862"},"institutions":[{"id":"https://openalex.org/I65181880","display_name":"Indian Institute of Technology Hyderabad","ror":"https://ror.org/01j4v3x97","country_code":"IN","type":"education","lineage":["https://openalex.org/I65181880"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sujit Gujar","raw_affiliation_strings":["IIIT Hyderabad"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IIIT Hyderabad","institution_ids":["https://openalex.org/I65181880"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060427576","display_name":"Boi Faltings","orcid":"https://orcid.org/0000-0002-7188-7230"},"institutions":[{"id":"https://openalex.org/I65181880","display_name":"Indian Institute of Technology Hyderabad","ror":"https://ror.org/01j4v3x97","country_code":"IN","type":"education","lineage":["https://openalex.org/I65181880"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Boi Faltings","raw_affiliation_strings":["EPFL","IIIT Hyderabad"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EPFL","institution_ids":[]},{"raw_affiliation_string":"IIIT Hyderabad","institution_ids":["https://openalex.org/I65181880"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000530436","display_name":"Pan Hui","orcid":"https://orcid.org/0000-0001-6026-1083"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Pan Hui","raw_affiliation_strings":["HKUST"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"HKUST","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.5142,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.81131685,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"365","last_page":"366"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9986000061035156,"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"}},"topics":[{"id":"https://openalex.org/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9986000061035156,"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/T11478","display_name":"Caching and Content Delivery","score":0.9984999895095825,"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9983999729156494,"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/cryptocurrency","display_name":"Cryptocurrency","score":0.9160388708114624},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7825627326965332},{"id":"https://openalex.org/keywords/proof-of-work-system","display_name":"Proof-of-work system","score":0.7492212653160095},{"id":"https://openalex.org/keywords/digital-currency","display_name":"Digital currency","score":0.7129146456718445},{"id":"https://openalex.org/keywords/database-transaction","display_name":"Database transaction","score":0.6685633659362793},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5629335641860962},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5331233143806458},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.5237205624580383},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.5192087292671204},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.49982500076293945},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.4755173325538635},{"id":"https://openalex.org/keywords/cryptographic-protocol","display_name":"Cryptographic protocol","score":0.42653900384902954},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.42310625314712524},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3876086175441742},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.2053494155406952},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.10400936007499695}],"concepts":[{"id":"https://openalex.org/C180706569","wikidata":"https://www.wikidata.org/wiki/Q13479982","display_name":"Cryptocurrency","level":2,"score":0.9160388708114624},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7825627326965332},{"id":"https://openalex.org/C123436394","wikidata":"https://www.wikidata.org/wiki/Q7249984","display_name":"Proof-of-work system","level":3,"score":0.7492212653160095},{"id":"https://openalex.org/C48220719","wikidata":"https://www.wikidata.org/wiki/Q10836209","display_name":"Digital currency","level":3,"score":0.7129146456718445},{"id":"https://openalex.org/C75949130","wikidata":"https://www.wikidata.org/wiki/Q848010","display_name":"Database transaction","level":2,"score":0.6685633659362793},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5629335641860962},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5331233143806458},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.5237205624580383},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.5192087292671204},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.49982500076293945},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.4755173325538635},{"id":"https://openalex.org/C33884865","wikidata":"https://www.wikidata.org/wiki/Q1254335","display_name":"Cryptographic protocol","level":3,"score":0.42653900384902954},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.42310625314712524},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3876086175441742},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2053494155406952},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.10400936007499695},{"id":"https://openalex.org/C145097563","wikidata":"https://www.wikidata.org/wiki/Q1148747","display_name":"Payment","level":2,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1145/2942358.2947401","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2942358.2947401","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th ACM International Symposium on Mobile Ad Hoc Networking and Computing","raw_type":"proceedings-article"},{"id":"pmh:oai:infoscience.epfl.ch:269038","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/269038","pdf_url":"https://infoscience.epfl.ch/record/269038/files/p365-chatzopoulos.pdf","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference proceedings"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-79499","is_oa":false,"landing_page_url":"https://repository.hkust.edu.hk/ir/Record/1783.1-79499","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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":"Conference paper"},{"id":"pmh:oai:infoscience.epfl.ch:224715","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/224715","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:repository.ust.hk:1783.1-79499","is_oa":false,"landing_page_url":"http://repository.ust.hk/ir/Record/1783.1-79499","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference paper"}],"best_oa_location":{"id":"pmh:oai:infoscience.epfl.ch:269038","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/269038","pdf_url":"https://infoscience.epfl.ch/record/269038/files/p365-chatzopoulos.pdf","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference proceedings"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G29360467","display_name":null,"funder_award_id":"ITS/369/14FP","funder_id":"https://openalex.org/F4320326427","funder_display_name":"Innovation and Technology Fund"}],"funders":[{"id":"https://openalex.org/F4320321920","display_name":"Innovation and Technology Commission","ror":"https://ror.org/04vf9tr09"},{"id":"https://openalex.org/F4320326427","display_name":"Innovation and Technology Fund","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2468025493.pdf","grobid_xml":"https://content.openalex.org/works/W2468025493.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W1433597633","https://openalex.org/W2133255965","https://openalex.org/W2263902524","https://openalex.org/W4211068006","https://openalex.org/W4248175462","https://openalex.org/W6679985502"],"related_works":["https://openalex.org/W4299501234","https://openalex.org/W2953112904","https://openalex.org/W4241097117","https://openalex.org/W4240229805","https://openalex.org/W2994785561","https://openalex.org/W3188811550","https://openalex.org/W3004229380","https://openalex.org/W2950393897","https://openalex.org/W3212400608","https://openalex.org/W2952555688"],"abstract_inverted_index":{"The":[0],"popularity":[1],"of":[2,14,30,47,119,134,172,179,203],"digital":[3],"currencies,":[4],"especially":[5],"cryptocurrencies,":[6],"has":[7],"been":[8,105],"continuously":[9],"growing":[10],"since":[11],"the":[12,28,77,89,115,128,135,164,170,176],"appearance":[13],"Bitcoin.":[15],"Bitcoin":[16,48],"is":[17,36,111,168,190],"a":[18,31,56,61,68,185,225,231],"peer-to-peer":[19],"(P2P)":[20],"cryptocurrency":[21,146],"protocol":[22],"enabling":[23],"transactions":[24,51],"between":[25],"individuals":[26,42],"without":[27],"need":[29],"trusted":[32],"authority.":[33],"Its":[34],"network":[35],"formed":[37],"from":[38],"resources":[39,75],"contributed":[40],"by":[41],"known":[43],"as":[44,207],"miners.":[45,78],"Users":[46],"currency":[49],"create":[50],"that":[52,133,147,167,181],"are":[53,187],"stored":[54],"in":[55,67,88,99,214],"specialised":[57],"data":[58,94,154],"structure":[59],"called":[60],"block":[62,233],"chain.":[63,234],"Bitcoin's":[64,173],"security":[65,174],"lies":[66],"proof-of-work":[69,220,227],"scheme,":[70],"which":[71,91],"requires":[72,148],"high":[73,93],"computational":[74,150,165],"at":[76,169],"These":[79],"miners":[80],"have":[81,104],"to":[82,114,132,184,216],"be":[83],"synchronised":[84],"with":[85,124,158,175],"any":[86],"update":[87],"network,":[90],"produces":[92,152],"traffic":[95,155],"rates.":[96],"Despite":[97],"advances":[98],"mobile":[100,108,120,160,204],"technology,":[101],"no":[102],"cryptocurrencies":[103],"proposed":[106],"for":[107],"devices.":[109,161],"This":[110],"largely":[112],"due":[113],"lower":[116],"processing":[117],"capabilities":[118],"devices":[121],"when":[122],"compared":[123],"conventional":[125],"computers":[126],"and":[127,156,200,210,229],"poorer":[129],"Internet":[130],"connectivity":[131],"wired":[136],"networking.":[137],"In":[138],"this":[139],"work,":[140],"we":[141],"propose":[142],"LocalCoin,":[143],"an":[144,218],"alternative":[145,219],"minimal":[149],"resources,":[151],"low":[153],"works":[157],"off-the-shelf":[159],"LocalCoin":[162],"replaces":[163],"hardness":[166,178],"root":[171],"social":[177],"ensuring":[180],"all":[182],"witnesses":[183],"transaction":[186],"colluders.":[188],"It":[189],"based":[191],"on":[192,198],"opportunistic":[193],"networking":[194],"rather":[195],"than":[196],"relying":[197],"infrastructure":[199],"incorporates":[201],"characteristics":[202],"networks":[205],"such":[206],"users'":[208],"locations":[209],"their":[211],"coverage":[212],"radius":[213],"order":[215],"employ":[217],"scheme.":[221],"Localcoin":[222],"features":[223],"(i)":[224],"lightweight":[226],"scheme":[228],"(ii)":[230],"distributed":[232]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3}],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2016-07-22T00:00:00"}