What is Blockchain? | The Ultimate Guide As cryptocurrency continues to be a hot topic, you may be wondering if your business can benefit from crypto like bitcoin. But what if I told you the biggest opportunity for businesses of any kind is actually related to the technology that underlies bitcoin — blockchain. Blockchain, the public ledger that records all bitcoin transactions, is more than just a fad — it’s changing life as we know it. Don't believe me? Follow along to learn more about blockchain and how it works, who’s using it, and the future of the technology. Feel free to email, bookmark, or jump to the section that interests you most. What is Blockchain? Blockchain is a ledger system that uses an open, distributed record to keep track of transactions — transactions could mean cryptocurrencies, NFTs, medical information, voting or home records, and more. These transactions get packaged into blocks — all of which get verified by other users in the system by completing math problems. Once a block gets verified, it cannot be altered and gets added to a chain of other permanent, previously verified blocks. The records held within these blocks form a blockchain, and the blockchain's users all keep track of this record. It's basically a giant, shared ledger, but in practice, it's much more exciting than that.     Let’s say the air fryer you bought last year isn’t all it’s cracked up...