Tokens issued through the Depository Trust & Clearing Corporation Tokenization Service are backed 1:1 by underlying securities held at the Depository Trust Company and retain their existing CUSIP identifiers.

From the articleDTCC Outlines 25-Security Tokenization Rollout on Canton and BesuAlso in DTCC Plans $30T Securities Tokenization Across Canton and Besu, Stellar (XLM) Slated for 2027 as DTCC Unlocks $30 Trillion Tokenization Market - U.Today