Amidst frequent hacking attacks, ZEC and XMR, the two leading privacy coins, have shown a significant upward trend. While privacy isn't a high-frequency demand, and I haven't listed it as a key area for application innovation, it's a fundamental industry need that has existed since the inception of Bitcoin. It's two sides of the same coin: While hackers are using these privacy coins for money laundering, the crypto industry is also attempting to use these privacy technologies to counter the frequent hacking attacks.