The yen’s devaluation didn’t impact crypto markets yet, but this could change if the BOJ steps in to prop up the currency, Noelle Acheson, analyst and author of the Crypto Is Macro Now reports, said in an email interview. A possible intervention would mean the BOJ selling U.S. dollar assets (U.S. Treasuries) to buy yen, and a weaker greenback could in theory help crypto prices, she added.