Jeff Yastine Blog | The New Way to Stop Hackers — and Make Profits | Talkmarkets
Editor, Total Wealth Insider
Contributor's Links: Banyan Hill Publishing

Jeff “JL” Yastine is the editor of Total Wealth Insider. He first joined Banyan Hill Publishing as editorial director in 2015, bringing with him more than two decades of experience as a stock market investor and financial journalist at the center of financial world ... more

The New Way to Stop Hackers — and Make Profits

Date: Wednesday, October 11, 2017 3:31 PM EDT

At a recent investment conference, someone asked me my opinion on bitcoin and other cryptocurrencies…

I said they were worth paying attention to — not for speculating, but for solving one of the biggest problems of our time: keeping computer networks and data safe from hackers.

I mean, if you want to speculate in bitcoin, Ethereum, Dogecoin — you name it — go right ahead. But the bigger profits will be in the underlying technology that makes cryptocurrencies possible. It’s called a blockchain.

Not Just About Bitcoin

Like anything that’s new, it all sounds a bit scary with a lot of “what ifs” attached. But blockchain is going mainstream faster than most people realize.

We happen to have two companies in the Total Wealth Insider portfolio that are pioneering the use of blockchain technology by major banks, insurance companies and other financial institutions. One is already up more than 25% in six months, and the other I see rising 60% over the next 18 months.

Shared Secrets

So what is blockchain, exactly? Basically, it’s a bit of data — it could be a transfer of money, a contract to buy or sell something or just some information that needs to be kept track of.

But instead of keeping it a secret and hidden away in one place (where it could be stolen or altered without your knowledge), the material is recorded as a “hash” — a random series of numbers and letters — and broadcast to a series of other computers on a network.

The information is attached with other transactions on the network and embedded into a cryptographically sealed “block.” With each series of transactions, the system creates more and more blocks.

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