When Donald Trump's companies released a celebrity meme coin just ahead of the presidential inauguration, it set a new standard for instant hype in a cryptocurrency launch, based on fresh research from a blockchain tax startup.

By associating himself so closely with meme coins, some crypto fans worry that Trump hurts his chances to help the wider crypto industry.

Trump- and Melania-themed digital tokens minted billions on paper for the first family while raising conflict-of-interest and foreign influence concerns.