Costco recently made news when it strongly objected to a blockchain version of its shares. And while the supermarket giant did raise a set of pretty valid concerns regarding the potential risks of tokenization, the problem was that traders can actually already buy a blockchain-based contract (i. e.
Source: [CryptoSlate](https://cryptoslate.com/wall-street-can-stop-a-tokenized-share-but-can-it-stop-a-stock-perp/)