In September $2019,$ the complainant opened a cryptocurrency account with an accounting firm, to which Mr$.$ Jhonson transferred about AUS $$85,000$ from his bank account. He transferred his cryptocurrency to an account with a third$-$party, while the complainant said the third$-$party turned out to be a scammer as he was unable to recover the cryptocurrency from the third$-$party. $($AFCA Annual Report$).$

Required:

$1$a$)$ What is the meaning of Cryptocurrency & the fraud related to the digital currency?

$1$b$)$ What is the current trend to commit this fraud nowadays?

$1$c$)$ Suggest few ways to protect yourself from this sort of fraud.