I'd argue that the original article's title was fine; they were indeed looking for wash trading across all the crypto exchanges. The second sentence of the abst

I'd argue that the original article's title was fine; they were indeed looking for wash trading across all the crypto exchanges. The second sentence of the abstract was basically, "Trading activity on regulated exchanges looks fine, but the unregulated ones are a hot mess." It's just the altered title for the HN submission that is actively misleading.