I think the setup in, for example, US equity markets makes it clear why blockchain is used for any kind of “securitization” of assets or contracts. You have a s

I think the setup in, for example, US equity markets makes it clear why blockchain is used for any kind of “securitization” of assets or contracts. You have a single company, DTCC, that physically owns all publicly traded stock certificates and so settlement of trades is just shuffling numbers in their ledger. Blockchain is just a ready-made DTCC for whatever asset/contract you want to securitize.