{"id":"https://openalex.org/W4413175535","doi":"https://doi.org/10.1145/3708821.3710830","title":"BIP32-Compatible Threshold Wallets","display_name":"BIP32-Compatible Threshold Wallets","publication_year":2025,"publication_date":"2025-08-13","ids":{"openalex":"https://openalex.org/W4413175535","doi":"https://doi.org/10.1145/3708821.3710830"},"language":"en","primary_location":{"id":"doi:10.1145/3708821.3710830","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3708821.3710830","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 20th ACM Asia Conference on Computer and Communications Security","raw_type":"proceedings-article"},"type":"article","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/A5101668689","display_name":"Poulami Das","orcid":"https://orcid.org/0000-0002-7404-8504"},"institutions":[{"id":"https://openalex.org/I4210092437","display_name":"Education Authority","ror":"https://ror.org/00408kc71","country_code":"GB","type":"government","lineage":["https://openalex.org/I4210092437"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Poulami Das","raw_affiliation_strings":["Least Authority\u00a0, Berlin, Germany"],"raw_orcid":"https://orcid.org/0000-0002-7404-8504","affiliations":[{"raw_affiliation_string":"Least Authority\u00a0, Berlin, Germany","institution_ids":["https://openalex.org/I4210092437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025810491","display_name":"Andreas Erwig","orcid":"https://orcid.org/0009-0000-8586-688X"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Andreas Erwig","raw_affiliation_strings":["Technische Universit\u00e4t Darmstadt, Darmstadt, Germany"],"raw_orcid":"https://orcid.org/0009-0000-8586-688X","affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Darmstadt, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066436044","display_name":"Sebastian Faust","orcid":"https://orcid.org/0000-0002-8625-4639"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sebastian Faust","raw_affiliation_strings":["Technische Universit\u00e4t Darmstadt, Darmstadt, Germany"],"raw_orcid":"https://orcid.org/0000-0002-8625-4639","affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Darmstadt, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093307795","display_name":"Philipp-Florens Lehwalder","orcid":"https://orcid.org/0009-0009-2559-7134"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Philipp-Florens Lehwalder","raw_affiliation_strings":["Technische Universit\u00e4t Darmstadt, Darmstadt, Germany"],"raw_orcid":"https://orcid.org/0009-0009-2559-7134","affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Darmstadt, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018889893","display_name":"Julian Loss","orcid":"https://orcid.org/0000-0002-7979-3810"},"institutions":[{"id":"https://openalex.org/I4210128801","display_name":"Helmholtz Center for Information Security","ror":"https://ror.org/02njgxr09","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I4210128801"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Julian Loss","raw_affiliation_strings":["CISPA Helmholtz Center for Information Security, Saarbr\u00fccken, Germany"],"raw_orcid":"https://orcid.org/0000-0002-7979-3810","affiliations":[{"raw_affiliation_string":"CISPA Helmholtz Center for Information Security, Saarbr\u00fccken, Germany","institution_ids":["https://openalex.org/I4210128801"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119291997","display_name":"Ziyan Qu","orcid":"https://orcid.org/0000-0002-8224-4177"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ziyan Qu","raw_affiliation_strings":["Technische Universit\u00e4t Darmstadt, Darmstadt, Germany"],"raw_orcid":"https://orcid.org/0000-0002-8224-4177","affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Darmstadt, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029837873","display_name":"Siavash Riahi","orcid":"https://orcid.org/0000-0002-4331-0469"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Siavash Riahi","raw_affiliation_strings":["Technische Universit\u00e4t Darmstadt, Darmstadt, Germany"],"raw_orcid":"https://orcid.org/0000-0002-4331-0469","affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Darmstadt, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5101668689"],"corresponding_institution_ids":["https://openalex.org/I4210092437"],"apc_list":null,"apc_paid":null,"fwci":6.5198,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.96424836,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"856","last_page":"872"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":1.0,"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9984999895095825,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.989300012588501,"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":0.5703084468841553}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5703084468841553}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3708821.3710830","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3708821.3710830","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 20th ACM Asia Conference on Computer and Communications Security","raw_type":"proceedings-article"},{"id":"pmh:oai:tubiblio.ulb.tu-darmstadt.de:153431","is_oa":false,"landing_page_url":"http://tubiblio.ulb.tu-darmstadt.de/view/person/Das=3APoulami=3A=3A.html>","pdf_url":null,"source":{"id":"https://openalex.org/S4377196390","display_name":"TUbilio (Technical University of Darmstadt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I31512782","host_organization_name":"Technische Universit\u00e4t Darmstadt","host_organization_lineage":["https://openalex.org/I31512782"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"NonPeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1861583015","display_name":null,"funder_award_id":"CRYPTOLAYER-101044770","funder_id":"https://openalex.org/F4320334678","funder_display_name":"European Research Council"},{"id":"https://openalex.org/G8553360330","display_name":null,"funder_award_id":"DFG- SFB 1119- 236615297","funder_id":"https://openalex.org/F4320320879","funder_display_name":"Deutsche Forschungsgemeinschaft"}],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1981757200","https://openalex.org/W2027471022","https://openalex.org/W2039605106","https://openalex.org/W2061462219","https://openalex.org/W2080911030","https://openalex.org/W2132172731","https://openalex.org/W2153193245","https://openalex.org/W2293367740","https://openalex.org/W2296153936","https://openalex.org/W2296195235","https://openalex.org/W2560378301","https://openalex.org/W2766348345","https://openalex.org/W2890219821","https://openalex.org/W2890748062","https://openalex.org/W2912577494","https://openalex.org/W2950251175","https://openalex.org/W2955838977","https://openalex.org/W2966752146","https://openalex.org/W2978111368","https://openalex.org/W2980255625","https://openalex.org/W2982735562","https://openalex.org/W3021332472","https://openalex.org/W3107322975","https://openalex.org/W3108205245","https://openalex.org/W3108672920","https://openalex.org/W3126452039","https://openalex.org/W3174265207","https://openalex.org/W3198557023","https://openalex.org/W3212407868","https://openalex.org/W3215175885","https://openalex.org/W4296918513","https://openalex.org/W4308641630","https://openalex.org/W4384210092","https://openalex.org/W4413175535"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Cryptographic":[0],"wallets":[1,27,68],"are":[2],"an":[3,40,176],"essential":[4],"tool":[5],"to":[6,24,29,46,69,107,205,246],"securely":[7],"store":[8],"and":[9,14,174,181,214,250],"maintain":[10],"users\u2019":[11],"secret":[12,33,50],"keys":[13,173],"consequently":[15],"their":[16,70],"funds":[17],"in":[18,112],"Blockchain":[19],"networks.":[20],"A":[21],"compelling":[22],"approach":[23],"construct":[25],"such":[26,38,57,66],"is":[28,79,153],"share":[30],"the":[31,48,83,87,98,133,142,156,179,197,206,220,225,229],"user\u2019s":[32],"key":[34,110,194],"among":[35],"several":[36],"devices,":[37],"that":[39,130,152,190,223],"adversary":[41],"must":[42],"corrupt":[43],"multiple":[44],"machines":[45],"extract":[47],"entire":[49],"key.":[51],"Indeed,":[52],"many":[53],"leading":[54],"cryptocurrency":[55],"companies":[56],"as":[58,228,232],"Coinbase,":[59],"Binance,":[60],"or":[61],"ZenGo":[62],"have":[63],"started":[64],"offering":[65],"distributed":[67,127,150],"customers.":[71],"An":[72],"important":[73],"feature":[74],"of":[75,100,147,168,192],"a":[76,101,109,113,125,148,165,212,237],"cryptographic":[77,93],"wallet":[78,128,151],"its":[80,247],"compatibility":[81],"with":[82,155,171,244],"so-called":[84,198],"BIP32":[85,96,134,157],"specification,":[86],"most":[88],"widely":[89],"adopted":[90],"standard":[91],"for":[92,124,219],"wallets.":[94],"Essentially,":[95],"specifies":[97],"notion":[99,167],"hierarchical":[102],"deterministic":[103,114],"wallet,":[104],"which":[105],"allows":[106],"create":[108],"hierarchy":[111],"fashion.":[115],"Unfortunately,":[116],"despite":[117],"significant":[118],"interest,":[119],"no":[120],"practically":[121],"efficiently":[122,202],"solution":[123,243],"fully":[126,149],"scheme,":[129],"also":[131],"follows":[132],"standard,":[135],"exists.":[136],"In":[137],"this":[138,160],"work,":[139],"we":[140,162,210,240],"show":[141,175],"first":[143,163],"concretely":[144],"efficient":[145,215],"construction":[146],"compliant":[154],"standard.":[158],"To":[159],"end,":[161],"provide":[164],"game-based":[166],"threshold":[169,183,207,221],"signatures":[170],"rerandomizable":[172],"instantiation":[177],"via":[178],"Gennaro":[180],"Goldfeder":[182],"ECDSA":[184],"scheme":[185],"(CCS\u201918).":[186],"We":[187],"then":[188],"observe":[189],"one":[191],"BIP32\u2019s":[193],"derivation":[195,217],"mechanisms,":[196],"hardened":[199,216],"derivation,":[200],"cannot":[201],"be":[203],"translated":[204],"setting.":[208],"Instead,":[209],"devise":[211],"novel":[213],"mechanism":[218,231],"setting":[222],"satisfies":[224],"same":[226],"properties":[227],"original":[230],"specified":[233],"by":[234],"BIP32.":[235],"As":[236],"final":[238],"contribution,":[239],"evaluate":[241],"our":[242],"respect":[245],"running":[248],"time":[249],"communication":[251],"cost.":[252]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}