Are crypto exchanges safe?

It is impossible to call crypto exchanges 100% safe, like everything else in our world. The security of your cryptocurrency depends on how it is stored. That's why it's important to choose a partner you can trust and rely on - one that protects your personal data and funds with the latest security standards. You can see a detailed overview of binance vs gemini companies.

A Decentralized Autonomous Organization (DAO) is a member-owned community with no centralized management. Records of financial transactions and rules are stored in the DAO blockchain. DAOs allow us to work with like-minded people around the world without trusting a benevolent leader to manage funds or operations. It's written in more detail and interestingly here. https://hacken.io/education/dao-projects/