Crypto Custodians are third parties who provide crypto storage services, and are responsible for securing the client's crypto. Examples of trusted and safe custodians like Coinbase Custody, Custodian Onchain, and Xapo. If an investor's crypto is stolen, there is no regulation that requires the custodian to be responsible for returning the investor's crypto. Is Crypto Custodian better than direct ownersghip (Hot Wallet and offline / Cold Wallet)?