Build your own blockchain – this is the most customizable yet most challenging option as one needs to build a network effect and make key decisions like what consensus mechanism and key algorithm to use
Issue your token using an open standard on an existing blockchain – This low friction way is the most common approach as people build on Ethereum using its ERC20 and ERC721 token standards
Issue your token using a restricted standard on an existing blockchain – Unlike an open standard, using a restricted standard allows you to issue a token that complies with certain securities or other regulations across the world