{"paper":{"title":"BRC20 Pinning Attack","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CE","cs.ET"],"primary_cat":"cs.CR","authors_text":"Lin Zhong, Minfeng Qi, Qin Wang, Shiping Chen, Tianqing Zhu, William Knottenbelt, Zhipeng Wang, Zhixiong Gao","submitted_at":"2024-10-15T05:33:16Z","abstract_excerpt":"BRC20 tokens are a type of non-fungible asset on the Bitcoin network. They allow users to embed customised content within Bitcoin's satoshis. The token frenzy reached a market size of US\\$2.811\\,b (2023Q3--2025Q1). However, this intuitive design has not undergone serious security scrutiny.\n  We present the first analysis of BRC20's \\emph{transfer} mechanism and identify a new attack vector. A typical BRC20 transfer involves two \"bundled\" on-chain transactions with different fee levels: the first (i.e., \\textbf{Tx1}) with a lower fee inscribes the \\textsf{transfer} request, while the second (i."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.11295","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.11295/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"}