For just $500, it's possible to create a crypto portfolio that will pay off big decades from now.

Although there are literally thousands of different cryptocurrencies, only a relatively small number have shown their staying power for a decade or longer. Of these, only a handful have been worth buying and holding for the long haul.

The two standouts are Bitcoin ( BTC -1.74% ) and Ethereum ( ETH -4.83% ) . If you're looking to buy and hold for the long term, these are the two cryptocurrencies you can safely add to your portfolio. Here's why.

Unparalleled track records

During the past decade, there are simply no other cryptocurrencies with the same type of track record as Bitcoin and Ethereum . In the 10-year period between October 2015 and October 2025, Bitcoin is up a

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