Dominic Frisby considers the relative merits of bitcoin and its offshoot, bitcoin cash.

"…If you are an investor, you absolutely should own some cryptocurrency in your portfolio, even if only a small amount. The transformative potential of the technology is too great not to have some exposure to it..."
"…When Satoshi Nakamoto announced his invention, bitcoin, to the world on an out-of-the-way mailing list for cryptographers, the very first thing he said was: “I’ve been working on a new electronic cash system that’s fully peer-to-peer, with no trusted third party.”
It’s important to distinguish, here, between cash and money. In the physical world, we are using cash less and less. That’s not to say we do not need it: the recent breakdown of the Visa network showed the dangers of relying on third parties for transactions.
Cash involves no third party. There is no dependence on anyone else, no intermediary. It is paid directly from A to B..."

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The birth of bitcoin cash
"…The idea of bitcoin was to be a system of cash for the internet: an online payment system, which involved no third parties.
But the developers of bitcoin cash felt bitcoin had strayed from that original goal. Transaction fees were too high for small payments. Transaction times too slow for quick payments. The criticism was valid..."

Bitcoin, bitcoin cash – or both?
"…Bitcoin is the backbone of crypto. Though there are better coins, bitcoin has a network effect like no other. You should own some.
But – and I know I am going to upset a lot of people by saying this – at current prices I think bitcoin cash is actually the better investment.
Whereas in the bitcoin community there is quite a bit of in-fighting amongst developers, bitcoin cash seems to be more united. I went to meet some of the developers to discuss my financial gameshow, when I was looking for sponsors.
Within about three minutes of talking to me, they were trying to get me to arrange for bitcoin cash to be a means of payment for the entire Edinburgh Festival, and offering to build the infrastructure. Given that this is the most ticketed event in the world after the Olympics and the World Cup, this is no small undertaking.
I was deeply impressed with the ambition of the enterprise. They are really pushing this thing. In the coming weeks there are big deals for payments with major international merchants to be announced. They are building an enormous and ambitious payment infrastructure across all six continents..."
"…Bitcoin cash is more volatile and the downside risk is greater, but if you ask me which of the two is more likely to go up ten times from current prices, I’d have to say bitcoin cash..."

*The source: “Which should you buy – bitcoin or bitcoin cash?” By  Dominic Frisby (originally published on the Moneyweek).