TOPCOIN is a type of crypto-currency, released February 2nd, 2014, with which you can make instant person to person payments, anywhere in the world. TOPCOIN also has a built in staking feature that allows you to collect more coins if you have some in your wallet!
OKCash was initially launched in November 2014 with the name Positive Innovation for Multi Payment Cash solutions. It was later rebranded to OKCash. OKCash aims to be the social cryptocurrency. OKCash is also developing positive relationship with other cryptocurrencies by helping release a custom wallet for Gaia based on the previous OKCash design. OKCash is now in its PoS period.