## Cryptocurrency war ## https://cdn.pixabay.com/photo/2017/07/27/21/01/bitcoin-2546741_960_720.png

However, because Bitcoin has risen so much and so quickly, some are wondering whether its gains are sustainable.

1. Litecoin (LTC) Litecoin, launched in the year 2011, was among the initial cryptocurrencies following bitcoin and was often referred to as 'silver to Bitcoin's gold.' ...
2. Ethereum (ETH) ...
3. Zcash (ZEC) ...
4. Dash. ...
5. Ripple (XRP) ...
6. Monero (XMR) ...
   The Bottom Line.
   While steem recently became the third-largest digital currency as measured by market capitalization, surpassing $400 million this month, some market experts are skeptical of steem and have expressed doubts about its economics.