Is Bitcoin is buying bitcoin a safe investment a good investment? risk, I think, for investors. Now, here’s a better question. In the related world of microcurency "altcoin" trading, Tom Gentile, our top trading expert, has uncovered an unusual crypto phenomenon where some coins can jump nearly every time Bitcoin does.Also security: Is their investment safe on the platform or is it. By Julia Chatterley, CNN Business. Buying things: Nope, you can’t buy or sell with PayPal Bitcoin. When investing for long-term goals like retirement, it might make more sense to use a more traditional asset allocation of stocks and bonds for the biggest portion of your portfolio and keep less than 5% in riskier investments like Bitcoin. Out in the world, people buy Bitcoin and other digital currency for a number of reasons. Step 5: Opening a leveraged position. If the value of Bitcoin rises in the future, then buying at the current price was a great deal. These include: Investment and speculation: With PayPal, that’s about all you can do currently. Shares in the crypto exchange opened at $381 and rose past $429.