How to keep the cricket safe?
Op, I believe you meant How to keep your crypto safe 
There's a thread here that will be helpful
Your best advice regarding Cryptocurrencies
Also, I guess you might not be aware of the https://ninjastic.space/search which you can use to find similar questions you may have. Although, if you can't find similar questions you are always free to ask here.
We all know that crypto is a very important commodity that needs to be kept and handle safely and the following steps are required for the safe keeping of the crypto;
1. Make sure the use of two -factor authentication [2FA] on Your wallet and exchange is used.
2. Withdraw your crypto from your exchange to a wallet
3. Write down the seeds words for your wallet and store it safely
4.use a firm and strong password at all times etc.....