Learn all about Blockchain technology by taking this $30 class

If you’ve taken note of any trends in finance, technology, and investing over the past ten years, you’ve probably noticed the rise of cryptocurrency and blockchain technologies. You may have even heard through the grapevine that blockchain is what powers cryptocurrencies like Bitcoin, Ethereum, Litecoin, and more — but what is blockchainactually, and how is it used? 

You can learn all this and more with the Blockchain Certification Bundle, a set of online courses that are bundled together for just $29).

What is Blockchain?

Blockchain is, at the most basic level, digital information (the “blocks”) stored in a public database (the “chain”). The blocks store three key pieces of information: 

• Specifics about the transaction taking place — like the date, time, and amount

• Details about who is participating — for example, a name

• Unique data that distinguishes the block from other blocks, also known as a “hash”

How these blockchains function together is also what makes cryptocurrency appealing — because in order for a block to be added to the chain, four things need to happen:

• The transaction needs to happen

• It needs to be verified

• The transaction is stored in a block

• The transaction is given its own, unique “hash”

Once that block is added to the chain, it’s publicly available to view —