I'm have not a clue what these are, but their value has gone up from $500 last September to $4500 today.
https://charts.*******.com/chart/price

That's some investment.

It seems that you need a key to use them and one person lost all their *******s when the lost their computer.
Computer spammers want paid in *******s and Kim Jong is using them to avoid sanctions

Hackers from Kim Jong Un’s regime are increasing their attacks on cryptocurrency exchanges in South Korea and related sites, according to a new report from security researcher FireEye Inc. They also breached an English-language ******* news website and collected ******* ransom payments from global victims of the malware WannaCry, according to the researcher.

Is anyone into these. Wikipedia makes little sense on this, but I'm aging. Some sprightly youngster with more brain cells might help.