You can read article about Crypto Coin House here:
Watch this video to learn; How to Buy YEM at Crypto Coin House
At the moment, Rainbow Currency Exchange originally called www.cryptocoin.house is the Crypto Exchange place where YEM is exclusively traded. You can Trade (Buy/Sell) YEM all over the world.
Rainbow Currency (YEM) was listed on more than 4 Exchanges. Recently, there was some HACKS/CYBER ATTACKS with those Exchanges, thus Board of Directors of the Rainbow Currency Foundation decided to DE-LIST/WITHDRAW (YEM) from all those Exchanges and the process took few weeks to be completed. and, Now (YEM) is ONLY Trade-able on Crypto Coin House.
In short; If you want to BUY/SELL (YEM) then at the moment, there are two ways to do so and that is; 1. Crypto Coin House and 2. TwnklBuy. Later, there would be a main Exchange with all the options available at one place. You will find news here when it is available.
If you want to Buy/Sell huge amount of YEM then it is recommended to use TwnklBuy Service and if you want low amount then Crypto Coin House is the best choice for you. in this section we are covering only Crypto Coin House and if you want to learn about TwnklBuy then i wrote a detailed tutorial on TwnklBuy, below is the link.
When you Trade (YEM) on Crypto Coin House so you don’t need to transfer your (YEM) from your Private (PERNUM) Wallet to Public (Ether) Wallet. You can now transfer your (YEM) direct from your Private (PERNUM) Wallet to Crypto Coin House Wallet and vice versa from Crypto Coin House to Private (PERNUM) Wallet and there is no need to Pay in Ethereum but you will be charged by (YEM). 50 YEM is the fee for transferring YEMs.
These are the Exchanges at the moment where you can trade Rainbow Currency (YEM) : the first one is www.cryptocoin.house