About 18 months ago, someone told me about this great coin Callisto that was really easy to earn by mining on the same algo as ETH, but did not have the limitation of only accepting shares by cards with 3 or more GBs of RAM. So I had several cards that fitted the description - some 1050s, 950s and 960s cards with only 2 GBs of memory that was not really good for anything else at the time, so I decided to give it a try.
The coin itself was not yet listed to Coinmarketcap and there was only projected price of about $0.80 to $1, so I was making "crazy money". About 20-30$ per day with just few cards. Of course that wasn't real money until the coin got listed to some exchange. So I mined it about I don't know, week or so, may be 10 days. So I earned about ~550 CLO. I stored them in my Coinomi wallet and forgot about them. Eventually they got listed in several exchanges, but the price was way too low. I had just some cents.
Looks like in November 2018 CLO team started Cold Staking contract with the coin using the Coinomi wallet. The point of this article is if there is someone that is having some of those, he can earn some passive profit on them, by storing them in Coinomi wallet and selecting the "Cold Stake" option.
Useful links: https://coinomi.freshdesk.com/support/solutions/articles/29000026306-callisto-cold-staking
Android app: https://play.google.com/store/apps/details?id=com.coinomi.wallet&hl=en
