Alternative Currency

http://en.wikipedia.org/wiki/Cryptocurrency

Currency Code Symbol Year
Est.
Founder(s) Active Website Market
Capitalization

(US$ mn)[nt 1]
Coins
Released
(mn)[nt 1]
Coins
Released
(%)[nt 1]
Coins
Total
(mn)
Hashing
Algorithm
PoW PoS
Bitcoin[nt 2] BTC[22][23]or XBT[24] Nothing official 2009 Satoshi Nakamoto(pseudonym)[25] Yes[26] N/A ~8,181[27] ~12.3[27] 58.98% 21[28] SHA-256d[29][30] Yes[31][30] No
BiitRaam BRM 204 Shaddock & Sean Yes BitRaam.org unknown yet 50,000,000 90% 50m SHA-256d[29][30] Yes[31][30] No
Ripple[nt 3][32][33][34] XRP[34] N/A 2013 Chris Larsen & Jed McCaleb[35][34] Yes ripple.com ~1,699[27] 100,000 100% 100,000[36] ECDSA[36] No No
Litecoin[nt 4] LTC Ł 2011[30] Charles Lee[25] Yes[37] litecoin.org[30] ~607.8[27] ~25.2[27] 30% 84[30] scrypt[30] Yes No
Peercoin PPC 2012[30] Sunny King (pseudonym)[38] Yes[39] peercoin.net[30] ~125.8[27] ~21.1[27] 100% [30] SHA-256[40] Yes[30] Yes[30]
Dogecoin[nt 5] DOGE Ɖ 2013 Jackson Palmer
& Billy Markus[41]
Yes[42] dogecoin.com ~60.9[27] ~37,000[27] 37% 100,000[43] scrypt[43] Yes No
Namecoin[nt 6] NMC 2011 N/A Yes dot-bit.org ~48.1[27] ~7.9[27] 37.62% 21[21] SHA-256[citation needed] Yes No
Mastercoin MSC N/A 2013 J. R. Willett [44] Yes mastercoin.org ~35.8[27] ~0.56[27] 90.95% 0.619[citation needed] N/A No No
Primecoin XPM Ψ 2013 Sunny King (pseudonym)[38] Yes primecoin.org ~12.8[27] ~4.2[27] 100% [45] 1CC/2CC/TWN[45] Yes[45] No[45]
Riecoin[nt 7] RIC   2014 Pablo Gatra Yes riecoin.org       84[46]

Others:

MazaCoin - National coin of the native American Lakota tribe

TrumpCurrency.com - inspired by Donald Trump

GatesCurrency.com - inspired by Bill Gates