What Happens When Stocks Move Onchain? The Real Meaning of Tokenized Shares

The digital assets industry has tended to interpret the tokenization of equities as a validation of the crypto thesis: financial markets, finally, are moving toward blockchain infrastructure. The events of 2026 —the SEC’s approval of Nasdaq’s proposal in March, the enactment of NYSE rule SR‑NYSE‑2026‑17 in May, and the commercial launch of DTC’s tokenization service scheduled for October— appear to confirm this direction.
However, the crypto sector needs to examine these developments with technical precision, not enthusiasm. The tokenization of securities is not, in its current form, a migration of capital markets onto the blockchain. It is a controlled integration of the blockchain as an additional settlement layer within the existing infrastructure, supervised and operated by the same institutions that already dominate the system.
At least three structural models operate in parallel, each with distinct legal and economic implications.
The first model is that of third‑party issuers: platforms such as Ondo Finance (with USD 955 million in on‑chain equities), Backed Finance (USD 579.4 million in tokenized market cap) and Binance bStocks (USD 610 million). These entities acquire shares in traditional markets, hold them in custody, and issue tokens that represent a claim on those underlying assets.
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