Trustwallet is one of the highly secure crypto wallets that is used through mobile phones.
How is a mobile wallet secure? When security is involved, only three options are better which are all cold wallets
- paper wallet
- hardware wallet for convenience
- Wallet on airgapped device
It is an open-source and constructed wallet with ease of setup and use.
Trustwallet is close source wallet, one of the reasons not to use the wallet at all.