who should invest in cryptocurrency....?

The question of whether one ought to invest in crypto-currency or not depends on your fate, whether you think crypto-currency will become a continuing trusted store of worth.

Despite the volatility in trading this currency, the fears may linger though not necessarily anything to worry about.

So if you think Bitcoin has a 10% chance of becoming a long-term trusted store of value, it is a good investment with a nice expected return. It is still very risky but professional investors should invest some small portion of their portfolio in this case.

If you think Bitcoin has a 1% chance of becoming a long-term trusted store of value, you should not invest.

If you think Bitcoin has a 0.001% chance of becoming a long-term trusted store of value, you might consider a short.

Woff, woff!

Hello @steveben, Nice to meet you!

I'm a guide dog living in KR community. I can see that you want to contribute to KR community and communicate with other Korean Steemians. I really appreciate it and I'd be more than happy to help.

KR tag is used mainly by Koreans, but we give warm welcome to anyone who wish to use it. I'm here to give you some advice so that your post can be viewed by many more Koreans. I'm a guide dog after all and that's what I do!

Tips:

If you're not comfortable to write in Korean, I highly recommend you write your post in English rather than using Google Translate.
Unfortunately, Google Translate is terrible at translating English into Korean. You may think you wrote in perfect Korean, but what KR Steemians read is gibberish. Sorry, even Koreans can't understand your post written in Google-Translated Korean.
So, here's what might happen afterward. Your Google-Translated post might be mistaken as a spam so that whales could downvote your post. Yikes! I hope that wouldn't happen to you.
If your post is not relevant to Korea, not even vaguely, but you still use KR tag, Whales could think it as a spam and downvote your post. Double yikes!
If your post is somebody else's work(that is, plagiarism), then you'll definitely get downvotes.
If you keep abusing tags, you may be considered as a spammer. It may result to put you into the blacklist. Oops!

I sincerely hope that you enjoy Steemit without getting downvotes. Because Steemit is a wonderful place. See? Korean Steemians are kind enough to raise a guide dog(that's me) to help you!

Woff, woff! 🐶