Just 24% of enterprises globally say they have blockchain-based technologies in production, according to Deloittes 2019 global blockchain survey. IDC predicts growth in blockchain spending across Europe will rise from $800 million in 2019 to $4.9 billion in 2023. Real-world data on how to secure blockchains is even harder to find. Euroclear, a major clearinghouse of European financial services, has been experimenting with blockchain technology while avoiding additional risks to its business.”]
Source: https://www.csoonline.com/article/3446501/4-blockchain-security-lessons-from-euroclears-ciso.html