I am new in this.
I installed trust wallet my mobile phone. I got recovery phrase
But..i can do it whenever i want transactions. Trust wallet is open all the time.
Practically if i lost phone or someone robbs me he can send all funds away...
Not even asking passwords or anything to slowdown process...
I am worrid about sending there lots of sums. Exchange at least you need e-mail confirmations, when some gets access to your phone.
Exchanges are not wallets.
The only funds which should be in your exchange account are the funds you are currently trading. Otherwise, you should move them to your own wallet, because exchanges can be hacked, your funds can be frozen, and so on.
There are many kind of wallets, with different levels of security and different use cases.
Is trust wallet a bad choice? Depends on what you want to do with it.
If you want to hold your life savings in it, I would say that any mobile wallet is a terrible choice. Personally, I wouldn't hold more than 500 USD in a mobile wallet. Do you put 30k USD in cash and walk in the streets carrying it all the time? You shouldn't do that with your bitcoin as well.
Mobile wallets are important so you can buy a coffee or make other small purchases in you daily activities. You shouldn't put lots of money in it.
For you life savings, buy a hardware wallet (trezor and ledger are the best options)