Namecoin (NMC) – not just a currency, but also a domain name. Users who purchase namecoin can purchase a “.bit” URL that operates outside of ICANN
Litecoin (LTC) – considered the most valuable cyrptocurrency
next to bitcoin
Dogecoin (Doge) – started as a way to poke fun at the cryptocurrency phenomenon, but quickly gained popularity in cyber-communiteis like Reddit. Today, it has the most coins in circulation (more than 28 billion)
Peercoin (PPC) – separates itself from other cryptocurrencies by not having a limit on the amount of coins that can be created, and maintains an annual inflation rate of 1%
Quark – launched in late 2013, it has the most intense security measures
David El Achkar is the founder of Yellow, a Bitcoin payments provider for the Middle East. He also spearheads many Bitcoin advocacy efforts in the region, organizing and speaking at conferences, writing educational resources, and more.