{"id":"https://openalex.org/W4401427000","doi":"https://doi.org/10.1145/3687476","title":"Flexichain: Flexible Payment Channel Network to Defend Against Channel Exhaustion Attack","display_name":"Flexichain: Flexible Payment Channel Network to Defend Against Channel Exhaustion Attack","publication_year":2024,"publication_date":"2024-08-08","ids":{"openalex":"https://openalex.org/W4401427000","doi":"https://doi.org/10.1145/3687476"},"language":"en","primary_location":{"id":"doi:10.1145/3687476","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3687476","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3687476","source":{"id":"https://openalex.org/S4210174050","display_name":"ACM Transactions on Privacy and Security","issn_l":"2471-2566","issn":["2471-2566","2471-2574"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Privacy and Security","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3687476","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031782898","display_name":"Susil Kumar Mohanty","orcid":"https://orcid.org/0000-0002-8643-5501"},"institutions":[{"id":"https://openalex.org/I132153292","display_name":"Indian Institute of Technology Patna","ror":"https://ror.org/01ft5vz71","country_code":"IN","type":"education","lineage":["https://openalex.org/I132153292"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Susil Kumar Mohanty","raw_affiliation_strings":["Computer Science and Engineering, Indian Institute of Technology Patna, Patna, India and Cryptography and Blockchain Group, Faculty of Mathematics, Informatics, and Mechanics, University of Warsaw, Warsaw, Poland"],"affiliations":[{"raw_affiliation_string":"Computer Science and Engineering, Indian Institute of Technology Patna, Patna, India and Cryptography and Blockchain Group, Faculty of Mathematics, Informatics, and Mechanics, University of Warsaw, Warsaw, Poland","institution_ids":["https://openalex.org/I132153292"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071224481","display_name":"Somanath Tripathy","orcid":"https://orcid.org/0000-0002-6964-2648"},"institutions":[{"id":"https://openalex.org/I132153292","display_name":"Indian Institute of Technology Patna","ror":"https://ror.org/01ft5vz71","country_code":"IN","type":"education","lineage":["https://openalex.org/I132153292"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Somanath Tripathy","raw_affiliation_strings":["Computer Science and Engineering, Indian Institute of Technology Patna, Patna, India"],"affiliations":[{"raw_affiliation_string":"Computer Science and Engineering, Indian Institute of Technology Patna, Patna, India","institution_ids":["https://openalex.org/I132153292"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5031782898"],"corresponding_institution_ids":["https://openalex.org/I132153292"],"apc_list":null,"apc_paid":null,"fwci":2.4355,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.90947998,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"27","issue":"4","first_page":"1","last_page":"26"},"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/T10237","display_name":"Cryptography and Data Security","score":0.9961000084877014,"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9836999773979187,"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/payment","display_name":"Payment","score":0.6917306184768677},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.649367094039917},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.6354409456253052},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.600908100605011},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3879416584968567},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.355243057012558},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3439905047416687},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.07483097910881042}],"concepts":[{"id":"https://openalex.org/C145097563","wikidata":"https://www.wikidata.org/wiki/Q1148747","display_name":"Payment","level":2,"score":0.6917306184768677},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.649367094039917},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.6354409456253052},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.600908100605011},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3879416584968567},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.355243057012558},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3439905047416687},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.07483097910881042},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3687476","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3687476","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3687476","source":{"id":"https://openalex.org/S4210174050","display_name":"ACM Transactions on Privacy and Security","issn_l":"2471-2566","issn":["2471-2566","2471-2574"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Privacy and Security","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1145/3687476","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3687476","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3687476","source":{"id":"https://openalex.org/S4210174050","display_name":"ACM Transactions on Privacy and Security","issn_l":"2471-2566","issn":["2471-2566","2471-2574"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Privacy and Security","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12","score":0.4099999964237213}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4401427000.pdf"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W1444567531","https://openalex.org/W1499934958","https://openalex.org/W2152924492","https://openalex.org/W2766452458","https://openalex.org/W2767101501","https://openalex.org/W2941465030","https://openalex.org/W2969251831","https://openalex.org/W2973755316","https://openalex.org/W2978890359","https://openalex.org/W3043572547","https://openalex.org/W3043788602","https://openalex.org/W3048356566","https://openalex.org/W3094676616","https://openalex.org/W3095292269","https://openalex.org/W3156695027","https://openalex.org/W3210715031","https://openalex.org/W4210946718","https://openalex.org/W4211068006","https://openalex.org/W4226285104","https://openalex.org/W4230477078","https://openalex.org/W4248175462","https://openalex.org/W4287848612","https://openalex.org/W4288064605","https://openalex.org/W4312767382","https://openalex.org/W4385945509","https://openalex.org/W4404863583","https://openalex.org/W4405182490"],"related_works":["https://openalex.org/W4236696095","https://openalex.org/W3143779693","https://openalex.org/W2626808643","https://openalex.org/W2004064826","https://openalex.org/W3103727510","https://openalex.org/W97045569","https://openalex.org/W1527069879","https://openalex.org/W2946179579","https://openalex.org/W2348021072","https://openalex.org/W1871370349"],"abstract_inverted_index":{"The":[0],"payment":[1,43,186],"channel":[2,30,75,79,144],"network":[3],"(PCN)":[4],"is":[5,39,131],"an":[6],"effective":[7],"off-chain":[8,89,128,160,180,198],"scaling":[9],"solution":[10],"widely":[11],"recognized":[12],"for":[13,41,52],"reducing":[14],"operational":[15],"costs":[16],"on":[17,122,156],"permissionless":[18],"blockchains.":[19],"However,":[20],"it":[21],"still":[22],"faces":[23],"challenges":[24],"such":[25],"as":[26,188,190],"lack":[27],"of":[28,50,151,164,179,196],"flexibility,":[29],"exhaustion,":[31,76],"and":[32,141,159,176,184,193],"poor":[33],"sustainability.":[34],"Currently,":[35],"a":[36,47,53,87],"separate":[37],"deposit":[38,103],"required":[40],"each":[42],"channel,":[44],"which":[45],"locks":[46],"significant":[48],"amount":[49,178],"coins":[51,63,104,116],"longer":[54],"period.":[55],"This":[56,111],"restricts":[57],"the":[58,78,123,127,137,149,165,170,191,197],"ability":[59],"to":[60,74,102,114,133],"move":[61,115],"locked":[62],"across":[64],"their":[65],"channels":[66,119],"off-chain.":[67],"Additionally,":[68],"unbalanced":[69],"(unidirectional)":[70],"transfers":[71],"can":[72],"lead":[73],"rendering":[77],"unsustainable.":[80],"To":[81,147],"address":[82],"these":[83],"issues,":[84],"we":[85,153],"propose":[86],"novel":[88],"flexible":[90],"PCN":[91],"protocol":[92],"called":[93],"Flexichain":[94,99,130],".":[95],"Unlike":[96],"existing":[97],"approaches,":[98],"allows":[100],"users":[101],"per":[105,109],"user":[106],"rather":[107],"than":[108],"channel.":[110],"provides":[112],"flexibility":[113],"freely":[117],"between":[118],"without":[120],"relying":[121],"blockchain":[124],"or":[125],"disrupting":[126],"cycle.":[129],"proven":[132],"be":[134],"secure":[135],"under":[136,182],"Universal":[138],"Composability":[139],"framework":[140],"resistant":[142],"against":[143],"exhaustion":[145],"attacks.":[146],"assess":[148],"performance":[150],"Flexichain,":[152],"conduct":[154],"experiments":[155],"both":[157],"on-chain":[158,171],"operations":[161],"using":[162],"snapshots":[163],"Lightning":[166],"Network.":[167],"We":[168],"evaluate":[169],"gas":[172],"costs,":[173],"success":[174,177],"ratio":[175],"payments":[181],"uniform":[183],"skewed":[185],"demands,":[187],"well":[189],"computational":[192],"communication":[194],"overheads":[195],"contracts.":[199]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
