Somewhere in Montana, a trove of Pokémon cards sits behind locked doors, anchoring a multi-million-dollar crypto market within a 28,000-square-foot facility. CEO Tuom Holmberg told Decrypt that since Collector Crypt debuted 18 months ago, the company’s vaulting facility has become core to its branding, amid a growing number of competitors that also offer tokenized versions of the popular playing cards.