type of security that the Asset represents (i.e. Equity, Debt, Commodity, etc). Common values are included in the KnownAssetType enum, but custom values can be used as well. Custom values must be registered on-chain the first time they're used, requiring an additional transaction. They aren't tied to a specific Asset
whether this asset requires investors to have a Investor Uniqueness Claim in order to hold it. More information about Investor Uniqueness and PUIS here