Approximately everybody in the US is able to get a brokerage account for trading public shares (with actual SIPC insurance, very limited liability for fraud etc). At the same time, the publicly investable stock market constitutes less and less to the total universe of US companies. Unless tokenized securities will somehow make private investments accessible to non-accredited investors, this initiative seems to be ent…
The main value proposition is faster settlement. The big institutions can measure their profits in terms of settlement time, going from 2 days to 1 day (previous infrastructure upgrades) to instantaneous (this) makes them more money.
In the EU, as far as I remember most modern brokers let you buy shares with unsettled proceeds of others without restrictions; in the US, getting a margin account takes no effort at all and bypasses the freeriding rules too.