Twelve major cryptocurrency exchange hacks occurred in 2019. Of these, 11 hacks resulted in the theft of cryptocurrency while one only involved stolen customer data. In total, $292,665,886 worth of cryptocurrency and 510,000 user logins were stolen from crypto exchanges in 2019. Cryptocurrency exchanges experienced more hacks last year than in 2018, when only nine cryptocurrency exchanges fell victim to security breaches.
https://www.zerohedge.com/crypto/almost-300-million-stolen-crypto-exchanges-2019
