Yes, it is perfectly fine to use Trust Wallet to store your cryptocurrencies. Trust Wallet is a secure and user-friendly mobile wallet that supports a variety of cryptocurrencies. It is designed to be easy to use, and it provides users with a high level of security and privacy. Trust Wallet also offers a variety of features and tools to help you manage your crypto assets, such as an in-app exchange, a portfolio tracker, and a secure vault for storing your funds. With Trust Wallet, you can store, send, and receive cryptocurrencies quickly and securely.