{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:U5BMDDZYETYIWLQDCL2ONB5PFF","short_pith_number":"pith:U5BMDDZY","schema_version":"1.0","canonical_sha256":"a742c18f3824f08b2e0312f4e687af294b07d8e0d92ed375f8ce5bb59f06d00a","source":{"kind":"arxiv","id":"1609.07256","version":3},"attestation_state":"computed","paper":{"title":"Towards Fairness of Cryptocurrency Payments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Ghassan O. Karame, Jian Liu, N. Asokan, Wenting Li","submitted_at":"2016-09-23T07:38:56Z","abstract_excerpt":"Motivated by the great success and adoption of Bitcoin, a number of cryptocurrencies such as Litecoin, Dogecoin, and Ethereum are becoming increasingly popular. Although existing blockchain-based cryptocurrency schemes can ensure reasonable security for transactions, they do not consider any notion of fairness. Fair exchange allows two players to exchange digital \"items\", such as digital signatures, over insecure networks fairly, so that either each player gets the other's item, or neither player does. Given that blockchain participants typically do not trust each other, enabling fairness in e"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1609.07256","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-09-23T07:38:56Z","cross_cats_sorted":[],"title_canon_sha256":"53ed446444706084bc9a4156d4afb377d8c8cebe8b0bd53e2d42012094c592bf","abstract_canon_sha256":"6028c3b82cf04b8ba0180e27a01264faca6ed5c02a74f32cbc262e562a8308be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:06.129123Z","signature_b64":"VqXM4xXvwCwRvxAX3ZBQMGctsZmLpImBdQmmMeW39CqOPE9BzS7hbQ04uLSSdPWtrSLLSB51+UWZJ9omqJbtDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a742c18f3824f08b2e0312f4e687af294b07d8e0d92ed375f8ce5bb59f06d00a","last_reissued_at":"2026-05-18T00:56:06.128521Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:06.128521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Towards Fairness of Cryptocurrency Payments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Ghassan O. Karame, Jian Liu, N. Asokan, Wenting Li","submitted_at":"2016-09-23T07:38:56Z","abstract_excerpt":"Motivated by the great success and adoption of Bitcoin, a number of cryptocurrencies such as Litecoin, Dogecoin, and Ethereum are becoming increasingly popular. Although existing blockchain-based cryptocurrency schemes can ensure reasonable security for transactions, they do not consider any notion of fairness. Fair exchange allows two players to exchange digital \"items\", such as digital signatures, over insecure networks fairly, so that either each player gets the other's item, or neither player does. Given that blockchain participants typically do not trust each other, enabling fairness in e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.07256","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1609.07256","created_at":"2026-05-18T00:56:06.128606+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.07256v3","created_at":"2026-05-18T00:56:06.128606+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.07256","created_at":"2026-05-18T00:56:06.128606+00:00"},{"alias_kind":"pith_short_12","alias_value":"U5BMDDZYETYI","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_16","alias_value":"U5BMDDZYETYIWLQD","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_8","alias_value":"U5BMDDZY","created_at":"2026-05-18T12:30:46.583412+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF","json":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF.json","graph_json":"https://pith.science/api/pith-number/U5BMDDZYETYIWLQDCL2ONB5PFF/graph.json","events_json":"https://pith.science/api/pith-number/U5BMDDZYETYIWLQDCL2ONB5PFF/events.json","paper":"https://pith.science/paper/U5BMDDZY"},"agent_actions":{"view_html":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF","download_json":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF.json","view_paper":"https://pith.science/paper/U5BMDDZY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.07256&json=true","fetch_graph":"https://pith.science/api/pith-number/U5BMDDZYETYIWLQDCL2ONB5PFF/graph.json","fetch_events":"https://pith.science/api/pith-number/U5BMDDZYETYIWLQDCL2ONB5PFF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF/action/storage_attestation","attest_author":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF/action/author_attestation","sign_citation":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF/action/citation_signature","submit_replication":"https://pith.science/pith/U5BMDDZYETYIWLQDCL2ONB5PFF/action/replication_record"}},"created_at":"2026-05-18T00:56:06.128606+00:00","updated_at":"2026-05-18T00:56:06.128606+00:00"}