The Financial Instruments & Commerce Ledgers section compiles thirty-six accessions from the online financial services domain: lenders, insurers, cryptocurrency and property-trading platforms, and investment resources. The breadth of this section reflects the substantial volume of financial-services submissions received by the Marginalia36 archive. Entries are presented without recommendation; the archivist treats a mortgage provider and a crypto exchange with equal bibliographic neutrality. For regulatory information, consult the relevant financial authority in the applicable jurisdiction. Cross-reference with the Games of Chance & Wagering Registers section if research extends to speculative platforms.