Replication Package: Scalable Blockchain Digital Cash, Conditional Settlement, and the Reorganization of Global Financial Intermediation

Description: Replication data and code for "Scalable Blockchain Digital Cash, Conditional Settlement, and the Reorganization of Global Financial Intermediation." Contains: (1) Lagos-Wright nested fixed-point solver with endogenous Bertrand deposit pricing (Python), verified to market-clearing tolerance of 10⁻⁶; (2) structural multinomial logit estimation on 26,521 DCPC 2024 transactions; (3) processed DCPC 2024 microdata (transaction-level and individual-level); (4) LW solver output (JSON). All primary data sources are public: FDIC Statistics on Depository Institutions (banks.data.fdic.gov), Federal Reserve Regulation II, Federal Reserve Bank of Atlanta Diary of Consumer Payment Choice 2024, World Bank Remittance Prices Worldwide, World Bank Global Findex, Visa and Mastercard SEC filings (EDGAR), and Crouzet, Gupta, and Mezzanotti (2023) replication data (Harvard Dataverse doi:10.7910/DVN/ZB45FV). Scripts are numbered for sequential execution; total runtime approximately 15 minutes. Related works: Wright, Craig S. "Horizontal Scaling of UTXO-Based Transaction Processing: Architecture, Empirical Validation, and Fleet-Scale Projection." Manuscript under review, 2026. Relation: Is supplemented by this upload. Halborn Inc. "Teranode — Independent Milestone Verification and Claims-to-Evidence Attestation." Version 2.0, 2026. Relation: Is supplemented by this upload. Crouzet, Nicolas, Apoorv Gupta, and Filippo Mezzanotti. 2023. "Shocks and Technology Adoption: Evidence from Electronic Payment Systems." Journal of Political Economy 131(3): 607–659. doi:10.1086/722225. Relation: Cites. Federal Reserve Bank of Atlanta. "Diary of Consumer Payment Choice, 2024." Relation: Cites. References: Chiu, Jonathan, Mohammad Davoodalhosseini, Janet Hua Jiang, and Yu Zhu. 2023. "Bank Market Power and Central Bank Digital Currency: Theory and Quantitative Assessment." Journal of Political Economy 131(5): 1213–1248. Drechsler, Itamar, Alexi Savov, and Philipp Schnabl. 2017. "The Deposits Channel of Monetary Policy." Quarterly Journal of Economics 132(4): 1819–1876. Keister, Todd, and Daniel Sanches. 2023. "Should Central Banks Issue Digital Currency?" Review of Economic Studies 90(1): 404–431.