Answer:
They can direct those websites to fake websites that demand secure information from users that they can then use on the real website.
Step-by-step explanation:
The latest official DNS cache poisoning threats seem to be on the MyEtherWallet as well as Trezor crypto-currency sites. These sites enables users to maintain a record for the lent for a return in cryptocurrency and contain credentials that had to brought and for sell consumers.
That cybercriminals would like a cryptocurrency platform to spoof DNS, because They can direct those websites to fake websites that demand secure information from users that they can then use on the real website.