Actually, there's a lot of other virtual curriences, see for examples: https://bitcointalk.org/index.php?topic=134179.0 https://bitcointalk.org/index.php?topic=

Actually, there's a lot of other virtual curriences, see for examples: https://bitcointalk.org/index.php?topic=134179.0 https://bitcointalk.org/index.php?topic=134179.0 Yesterday 2nd popular one, Litecoin (LTC) more than doubled its value.