¶ 701
Overview
Scope of the chapter. This chapter examines the secured transaction in which digital assets are the collateral. It applies Article 9 of the Uniform Commercial Code, as amended by the 2022 amendments, to the assets described in Chapter 1, using the property and control concepts developed in Chapters 3 and 6. It proceeds in the order in which a lender's counsel meets the questions: what kind of collateral the asset is (¶ 710); how a security interest attaches to it (¶ 720); how the interest is perfected, by filing or by control (¶ 730); how it ranks against other secured parties, buyers and lien creditors (¶ 740); what changes when the asset is held through a custodian or exchange (¶ 750); how margin lending, title-transfer arrangements and rehypothecation fit within or outside Article 9 (¶ 760); how the secured party enforces after default (¶ 770); which jurisdiction's law governs perfection and priority, and what the debtor's bankruptcy does to the lender's position (¶ 780). It closes with drafting guidance, a model control provision and a checklist (¶ 790).
Why digital assets required new rules. Before the 2022 amendments, most digital assets were general intangibles under Article 9. A security interest in a general intangible could be perfected only by filing a financing statement, and a buyer of a general intangible took subject to a perfected security interest of which it had no knowledge. Neither result suited assets that trade on public ledgers in seconds. A lender that held the private keys to the collateral had no better priority than a lender that had filed first and held nothing, and a buyer on an exchange had no assurance that it took free of a filed lien it could not have found. The 2022 amendments respond in three ways. They create a new category of property, the controllable electronic record, governed by Article 12. They allow a security interest in that property to be perfected by control and give a secured party with control priority over one without it. And they protect a qualifying purchaser, including a secured party, that obtains control for value, in good faith and without notice of a property claim. U.C.C. §§ 9-314(a), 9-326A, 12-104(e).
Text used in this chapter. The official text of the 2022 amendments is published by the American Law Institute and the Uniform Law Commission. This chapter quotes the amendments as enacted in Delaware, 6 Del. C. Articles 8, 9, 12 and A (84 Del. Laws c. 174), because that enactment follows the official text closely and is publicly available. Where a state has adopted non-uniform language, the enacting state's statute controls, and counsel should read it. The state-by-state adoption of the amendments, and the variations, are treated in ch. 6.
The central idea: control. The organizing concept of the chapter is control. Under U.C.C. § 12-105(a), a person has control of a controllable electronic record if the record, a record attached to or logically associated with it, or the system in which it is recorded gives the person the power to avail itself of substantially all the benefit from the record and the exclusive power to prevent others from doing so and to transfer control to another person, and enables the person readily to identify itself as having those powers. Control in this sense is a legal relation. It often coincides with possession of the private key that can sign a transaction on the relevant ledger, but it can exist without the key (as when a custodian acknowledges that it holds control on the secured party's behalf under § 12-105(e)), and possession of a key can exist without it (as when the key is shared with the debtor in a way that defeats exclusivity under § 12-105(c)). The technical background is set out in ch. 2, ¶ 250, and Example 2-5 applies § 12-105(c)(2)(B) to a two-of-two arrangement with the debtor.
The second idea: what the debtor owns. A security interest attaches only to property in which the debtor has rights or the power to transfer rights. U.C.C. § 9-203(b)(2). For a digital asset held in a self-hosted wallet, the debtor's rights are rights in the asset. For an asset credited to an account at a custodian or exchange, the debtor may own the asset, may hold a security entitlement under Article 8, or may hold only an unsecured contract claim against the platform. The bankruptcy decisions in Celsius, discussed in ch. 3 and at ¶ 760, show that the platform's terms decide which. A lender that takes collateral "held at" a platform without determining what the debtor owns there may take a security interest in a contract claim against an insolvent company.
Relation to other chapters. Article 12 itself, including the definition of controllable electronic record, the qualifying-purchaser rule and the choice-of-law hierarchy of § 12-107, is examined in ch. 6. Tokenized securities and the boundary between Articles 8 and 12 are examined in ch. 8. Custody arrangements are examined in chs. 9 to 11, and staking, lending and rehypothecation by platforms in ch. 12. The debtor's bankruptcy is examined in chs. 27 to 29, and creditor remedies other than Article 9 enforcement in ch. 24. This chapter cross-refers to those discussions and does not repeat them.
Terminology. In this chapter "lender" and "secured party" are used interchangeably unless the context requires otherwise. "Token" refers to a digital asset recorded on a distributed ledger. "Control" means control under § 12-105, § 9-105A or § 8-106, as the context indicates. "Platform" refers to an exchange, broker, custodian or lending business that holds digital assets for customers.

