Bitcron provides a mechanism to freeze your wallet, if you would like platform not to sign transactions for a period of time. 

To do so, go to your wallet, and then navigate to Settings > Freeze wallet.

Click on on the "Freeze wallet" button to freeze your wallet. You will be asked for a Wallet passphrase and 2-factor-authentication token in order to do so.

After freezing your wallet, Bitcron will not cosign any transactions.

To unfreeze wallet you'll be asked for a  a Wallet passphrase, 2-factor-authentication and Mnemonic recover phrase.