Mimble Wimble Magic Used Stealth Exchange, that also supports Steem and SDB. And then it dropped in price. Registration free, just use it and exchange any Crypto-Currency you want. There are quite a lot

And that is BTC It seems that the Crypto realm is waking up. The value returns One big mistake that most of the fake Bitcoin blockchains made is that they took the original BTC blockchain and cloned it.