Not so long ago, Pokemon cards were little more than schoolyard treasures in Hong Kong. But the trading cards are now evolving into a sophisticated new asset class, driven by millennial nostalgia and the forces of global capital. In today’s red-hot market – where rare Pikachus sell for vast sums and crime is a real problem – a complex trading ecosystem is emerging, complete with professional grading, tokenised funds and institutional-grade storage facilities. Pokemon card valuations have...