We've heard exchange getting hacked and millions of dollar worth crypto being stolen.
Last year, Myetherwallet was exposed and hacker penetrated and stole alot.
Scam ICO made away with millions in recent years.
Crypto traders and investors are taking precautions so as to not fall victim. This doesn't guarantee Scam free Crypto space coz right now someone is being scam.
What could be the biggest Crime in cryptocurrency
The biggest crime is a scam projects like ICOs who just want peoples money and run away after. Hacking is bad but you can prevent it by getting all of precautions and securing all of your personal datas. But when a fake ICO launches, you trust it even giving your KYC then all is history. Hacking is isolated but scam is your personal choice.