{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:ISNNYX77ANSEH2DJKPUCFOTLR3","short_pith_number":"pith:ISNNYX77","schema_version":"1.0","canonical_sha256":"449adc5fff036443e86953e822ba6b8eedf5c6dbcbffccace591a7fecc0e4946","source":{"kind":"arxiv","id":"2307.13139","version":1},"attestation_state":"computed","paper":{"title":"Attacks on Dynamic DeFi Interest Rate Curves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Kshitij Kulkarni, Peteris Erins, Tarun Chitra","submitted_at":"2023-07-24T21:41:09Z","abstract_excerpt":"As decentralized money market protocols continue to grow in value locked, there have been a number of optimizations proposed for improving capital efficiency. One set of proposals from Euler Finance and Mars Protocol is to have an interest rate curve that is a proportional-integral-derivative (PID) controller. In this paper, we demonstrate attacks on proportional and proportional-integral controlled interest rate curves. The attack allows one to manipulate the interest rate curve to take a higher proportion of the earned yield than their pro-rata share of the lending pool. We conclude with an "},"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":"2307.13139","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-07-24T21:41:09Z","cross_cats_sorted":[],"title_canon_sha256":"af753d691d3a7480552a122abc58739dcace31bff1f5b20a1c8708ef6cf7742b","abstract_canon_sha256":"eada1ac117d595c858866b637277074c17940a88d728e2d0e77f6dffe56e9a44"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:34:09.441423Z","signature_b64":"phWebuB1A94yuQN0mndCbJaucNCOHtBHvpKHPesWn0FBnsBkVV8mMZ1t5B5f1YgReLQpiU/pl6UyPlYMOVHDAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"449adc5fff036443e86953e822ba6b8eedf5c6dbcbffccace591a7fecc0e4946","last_reissued_at":"2026-07-05T06:34:09.441074Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:34:09.441074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Attacks on Dynamic DeFi Interest Rate Curves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Kshitij Kulkarni, Peteris Erins, Tarun Chitra","submitted_at":"2023-07-24T21:41:09Z","abstract_excerpt":"As decentralized money market protocols continue to grow in value locked, there have been a number of optimizations proposed for improving capital efficiency. One set of proposals from Euler Finance and Mars Protocol is to have an interest rate curve that is a proportional-integral-derivative (PID) controller. In this paper, we demonstrate attacks on proportional and proportional-integral controlled interest rate curves. The attack allows one to manipulate the interest rate curve to take a higher proportion of the earned yield than their pro-rata share of the lending pool. We conclude with an "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13139","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.13139/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2307.13139","created_at":"2026-07-05T06:34:09.441129+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.13139v1","created_at":"2026-07-05T06:34:09.441129+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13139","created_at":"2026-07-05T06:34:09.441129+00:00"},{"alias_kind":"pith_short_12","alias_value":"ISNNYX77ANSE","created_at":"2026-07-05T06:34:09.441129+00:00"},{"alias_kind":"pith_short_16","alias_value":"ISNNYX77ANSEH2DJ","created_at":"2026-07-05T06:34:09.441129+00:00"},{"alias_kind":"pith_short_8","alias_value":"ISNNYX77","created_at":"2026-07-05T06:34:09.441129+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.22784","citing_title":"Split the Yield, Share the Risk: Pricing, Hedging and Fixed rates in DeFi","ref_index":18,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3","json":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3.json","graph_json":"https://pith.science/api/pith-number/ISNNYX77ANSEH2DJKPUCFOTLR3/graph.json","events_json":"https://pith.science/api/pith-number/ISNNYX77ANSEH2DJKPUCFOTLR3/events.json","paper":"https://pith.science/paper/ISNNYX77"},"agent_actions":{"view_html":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3","download_json":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3.json","view_paper":"https://pith.science/paper/ISNNYX77","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.13139&json=true","fetch_graph":"https://pith.science/api/pith-number/ISNNYX77ANSEH2DJKPUCFOTLR3/graph.json","fetch_events":"https://pith.science/api/pith-number/ISNNYX77ANSEH2DJKPUCFOTLR3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3/action/storage_attestation","attest_author":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3/action/author_attestation","sign_citation":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3/action/citation_signature","submit_replication":"https://pith.science/pith/ISNNYX77ANSEH2DJKPUCFOTLR3/action/replication_record"}},"created_at":"2026-07-05T06:34:09.441129+00:00","updated_at":"2026-07-05T06:34:09.441129+00:00"}