Last week saw multiple major cryptocurrency hacks, one affecting wallets mostly linked to solana coins. Another hit Nomad, a blockchain bridge where users exchange assets on different blockchains. The losses totaled about $200 million. And these are just the latest hacks. So far this year, there’s been more than $1 billion stolen. So, why is this industry such a target? Marketplace’s Meghan McCarty Carino speaks with Josephine Wolff, associate professor of cybersecurity policy at the Fletcher School at Tufts University.