Nearly 67% of affluent investors surveyed by Nexo own crypto, but the average Crypto Integration Index score was only 4.83 out of 10.Only 4.7% scored 7 or higher, indicating that relatively few respondents had incorporated crypto deeply into long term financial and retirement planning.Security concerns, high fees and platform complexity were the main sources of friction among investors with the highest levels of crypto integration.The U.S. recorded the deepest crypto integration despite having the lowest ownership rate among the three markets surveyed.