Security News > 2021 > April > Bitcoin cheat sheet: Everything professionals need to know
If you're curious about the original decentralized cryptocurrency, here's what you need to know about Bitcoin, including why the price of a bitcoin keeps climbing.
Is it worth investing in bitcoins? What are the security risks of using Bitcoin? And just what is the blockchain? The answers to all of these questions and more are in this Bitcoin cheat sheet.
Bitcoin uses blockchain technology to independently verify the legitimacy of a bitcoin.
SEE: The best crypto is anyone's guess: Bitcoin and 11 more cryptocurrencies you need to know.
Analysts I've spoken to nearly unanimously agree that the Bitcoin price surge is based on nothing but speculation and that, without any historic precedent to fall back on, it's anyone's guess how high Bitcoin will go before crashing, if it does at all.
As American Express points out, Bitcoin has a relatively quick transaction time, so volatility won't necessarily be an issue; accounts are international, so there's no need to keep multiple portfolios of currency; and there's no credit risk since the sender has to have the bitcoin in her wallet to make a purchase.