Crypto is notorious for scams and hacks—a situation that not only results in billions of dollars lost every year, but an ongoing stain on the industry’s reputation. There are signs, however, that the industry is starting to take security more seriously.

Palestinian militant group Hamas uses a global financing network to funnel support from charities and friendly nations, passing cash through Gaza tunnels or using cryptocurrencies to bypass international sanctions, according to experts and officials.

The bitcoin price has swung wildly this week—temporarily boosting other major coins including ethereum and XRP—due after a false report that BlackRock’s BLK -1.2% closely-watched spot bitcoin exchange-traded fund (ETF) application had been approved went viral and was picked up by the likes of Reuters and Bloomberg.