platinum bar. this is a platform that is based on quark cryptocurrency with long-term support. This platform also uses the rock solid 9 hash algorithm quark for proof of work and novacoin for proof of stakes.
This platform was established by the white men back in the year for the cryptnotes know as pow,pos and other cryptnotes. Platinum bar is a platform that deals with the exchange of cryptocurrencies and other coins. They have long term support from each of the pow and pos system. This platform has in many ways been of help to it users and willing to do more.
Through my research I find out that there was a cryptnotes called novacoin that helps for proof of stake. This platform has a well encrypted security system that helps in the prevention of scammers. They also have a quality project which was launched