Fidelity Investments told the US Securities and Exchange Commission (SEC) on Friday that it should continue to develop the regulatory framework for broker-dealers to offer, custody and trade crypto assets on alternative trading systems (ATS).

The letter from the US’ third-largest asset manager was in reply to a call for comments earlier this month by the regulator’s Crypto Task Force.

Fidelity said it is “critical” for the SEC to develop a comprehensive regulatory framework and clear rules of the road for tokenized securities trading, including rules for trading tokenized securities issued by third parties.

Tokenized instruments have different issuance structures, legalities, and valuation models, the letter said. For example, tokenized real-world assets (RWAs) span entirely different asset classes like equities, real estate, bonds, or private credit.

“Tokenization models vary significantly in structure and in the rights afforded to holders,” the letter said. The company explained:

“In some models, the crypto asset represents a holder’s indirect interest in the underlying security through a securities entitlement, while in others, the crypto asset may constitute a securities?based swap, which may be offered only to eligible contract participants.”

Fidelity also urged the SEC to bridge the regulatory gap between centralized and decentralized trading systems to “consider how intermediated and disintermediated trading venues can evolve and coexist,” the company’s general counsel, Roberto Braceras, wrote.

This includes overhauling existing reporting rules to reflect that decentralized finance (DeFi) trading platforms and other “disintermediated” systems cannot produce the detailed financial reporting required by the SEC because there is no central authority.

Additionally, Fidelity recommended that the SEC issue guidance permitting broker?dealers to use distributed ledger technology for ATS and other recordkeeping purposes.

Overhauling reporting requirements to reflect this technological reality removes “undue burden” from decentralized systems, the letter said.

The Securities and Exchange Commission, under the leadership of Chairman Paul Atkins, has repeatedly signaled support for 24/7 capital markets and has given the regulatory approval for financial companies to experiment with tokenized trading.

Related: SEC interpretation on crypto laws ‘a beginning, not an end,’ says Atkins

US regulators say tokenized securities are subject to the same capital rules as underlying assets

Tokenized securities, which include equities, debt instruments, real estate investment trusts (REITs) and other securitized assets, are subject to the same banking capital requirements as the underlying assets they hold.

This view was shared in a joint policy statement published in March from the Federal Reserve, the Federal Deposit Insurance Corporation (FDIC) and the Office of the Comptroller of the Currency (OCC).

“The technologies used to issue and transact in a security do not generally impact its capital treatment,” according to the agencies.

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