; and (B) rests on a blockchain or decentralized cryptographic ledger. 3. Establishing areas of primary regulatory oversight for digital assets (a) Crypto-Commodities The Commodity Futures Trading Commission shall be the primary Government agency with the authority to regulate crypto-commodities. (b) Crypto-Currencies The Secretary of the Treasury, acting through the Financial Crimes Enforcement Network, and the Comptroller of the Currency shall be the primary Government agencies with the authority to regulate crypto-currencies (other than synthetic stablecoins). (c) Crypto-Securities The Securities and Exchange Commission shall be the primary Government agency with the authority to regulate crypto-securities and synthetic stablecoins. 4. Registration and public lists of digital asset exchanges (a) Crypto-Commodities The Commodity Futures Trading Commission shall require any exchange trading in crypto-commodities to register with the Commission, and shall maintain a public list of all such exchanges. (b) Crypto-Currencies The Secretary of the Treasury, acting through the Financial Crimes Enforcement Network, shall require any exchange trading in crypto-currencies (other than synthetic stablecoins) to register with the Secretary, and shall maintain a public list of all such exchanges. (c) Crypto-Securities The Securities and Exchange Commission shall maintain a public list of all registered national securities exchanges trading in crypto-securities or synthetic stablecoins. 5. Availability of information to the public on requirements to create or trade in digital assets Each primary Federal digital asset regulator shall, with respect to digital assets over which it is the primary Federal digital asset regulator, make available to the public (and keep current) a list of all Federal licenses, certifications, or registrations required to create or trade in digital assets. 6. Requirements related to crypto-currencies (a) Tracing of transactions Notwithstanding section 3(c), the Secretary of the Treasury, acting