There's no intrinsic value to any of the cryptocurrencies except that there's a limited amount.” ... Paulson went on to say that cryptocurrencies could eventually be worthless. “Once the exuberance wears off, or liquidity dries up, they will go to zero.

Can Bitcoin ever become worthless?

NO: Bitcoin is not useless — its value is determined by demand. However, it doesn't actually exist. Technically it can be traded for goods and services like traditional currency, but that's not really what it is being used for. Currently, it is used for speculative online investments and to evade certain laws.

Can you lose all your money in Bitcoin?

Once a hacker has access to your Bitcoin wallet, he or she can drain you of all your cryptocurrency, just like someone who has your debit card can take all of your cash. However, if you lose your crypto to a hacker, no bank is going to replace it for you.