{"id":"https://openalex.org/W1597801646","doi":"https://doi.org/10.1007/3-540-48329-2_26","title":"Untraceable Off-line Cash in Wallet with Observers","display_name":"Untraceable Off-line Cash in Wallet with Observers","publication_year":2007,"publication_date":"2007-08-06","ids":{"openalex":"https://openalex.org/W1597801646","doi":"https://doi.org/10.1007/3-540-48329-2_26","mag":"1597801646"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-48329-2_26","is_oa":true,"landing_page_url":"https://doi.org/10.1007/3-540-48329-2_26","pdf_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-48329-2_26.pdf","source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-48329-2_26.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5077938882","display_name":"Stefan Brands","orcid":null},"institutions":[{"id":"https://openalex.org/I1341640284","display_name":"Centrum Wiskunde & Informatica","ror":"https://ror.org/00x7ekv49","country_code":"NL","type":"facility","lineage":["https://openalex.org/I1341640284","https://openalex.org/I2800991832"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"Stefan Brands","raw_affiliation_strings":["CWI, Amsterdam, The Netherlands","CWI, Amsterdam, The Netherlands#TAB#"],"affiliations":[{"raw_affiliation_string":"CWI, Amsterdam, The Netherlands","institution_ids":["https://openalex.org/I1341640284"]},{"raw_affiliation_string":"CWI, Amsterdam, The Netherlands#TAB#","institution_ids":["https://openalex.org/I1341640284"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5077938882"],"corresponding_institution_ids":["https://openalex.org/I1341640284"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":17.6081,"has_fulltext":true,"cited_by_count":496,"citation_normalized_percentile":{"value":0.99550863,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"302","last_page":"318"},"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":0.9980000257492065,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9919000267982483,"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/computer-science","display_name":"Computer science","score":0.6575949192047119},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.648219108581543},{"id":"https://openalex.org/keywords/traceability","display_name":"Traceability","score":0.5363178849220276},{"id":"https://openalex.org/keywords/electronic-cash","display_name":"Electronic cash","score":0.5182209610939026},{"id":"https://openalex.org/keywords/payment","display_name":"Payment","score":0.4979851245880127},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4735260009765625},{"id":"https://openalex.org/keywords/electronic-money","display_name":"Electronic money","score":0.4265730381011963}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6575949192047119},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.648219108581543},{"id":"https://openalex.org/C153876917","wikidata":"https://www.wikidata.org/wiki/Q899704","display_name":"Traceability","level":2,"score":0.5363178849220276},{"id":"https://openalex.org/C2778522442","wikidata":"https://www.wikidata.org/wiki/Q1326122","display_name":"Electronic cash","level":3,"score":0.5182209610939026},{"id":"https://openalex.org/C145097563","wikidata":"https://www.wikidata.org/wiki/Q1148747","display_name":"Payment","level":2,"score":0.4979851245880127},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4735260009765625},{"id":"https://openalex.org/C122941539","wikidata":"https://www.wikidata.org/wiki/Q10836209","display_name":"Electronic money","level":3,"score":0.4265730381011963},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","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:10.1007/3-540-48329-2_26","is_oa":true,"landing_page_url":"https://doi.org/10.1007/3-540-48329-2_26","pdf_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-48329-2_26.pdf","source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":{"id":"doi:10.1007/3-540-48329-2_26","is_oa":true,"landing_page_url":"https://doi.org/10.1007/3-540-48329-2_26","pdf_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-48329-2_26.pdf","source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1597801646.pdf","grobid_xml":"https://content.openalex.org/works/W1597801646.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1483083484","https://openalex.org/W1521562196","https://openalex.org/W1535861450","https://openalex.org/W1554259298","https://openalex.org/W1589034595","https://openalex.org/W1835790643","https://openalex.org/W1848880877","https://openalex.org/W1939398203","https://openalex.org/W2006062707","https://openalex.org/W2031618446","https://openalex.org/W2095708839","https://openalex.org/W2134270170","https://openalex.org/W2153193245","https://openalex.org/W3021971524","https://openalex.org/W3142333173","https://openalex.org/W4253346574","https://openalex.org/W6631455738","https://openalex.org/W6638585961","https://openalex.org/W6682389930"],"related_works":["https://openalex.org/W2123910101","https://openalex.org/W2315572740","https://openalex.org/W2389637631","https://openalex.org/W2354572610","https://openalex.org/W2062540124","https://openalex.org/W2123861650","https://openalex.org/W2137271618","https://openalex.org/W4380589710","https://openalex.org/W1768193458","https://openalex.org/W2356099674"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":12},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":15},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":11},{"year":2015,"cited_by_count":25},{"year":2014,"cited_by_count":17},{"year":2013,"cited_by_count":16},{"year":2012,"cited_by_count":14}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-10T00:00:00"}
