Stolen medical records are worth more than financial data. If your Social Security number gets into the wrong hands, the cost to society is a dime. If your credit card is hacked, that loss is worth a quarter. But your medical records? They are valued at more than $1,000. Hackers scrape medical records for personal information that can be used to file fake insurance claims, open credit accounts, obtain prescription drugs, and a lot more. With healthcare increasingly under cyberattack, blockchain has emerged as one of the leading technologies to safeguard our privacy, identity, and financial security. How great is the risk and can we protect ourselves?