1 definition by Vinceypoos
And alternative cryptocurrency to bitcoin. Bitcoin being the first cryptocurrency, any variation thereon is an Altcoin (or alt-coin)
"Litecoin is my favourite altcoin because it makes ASIC mining more difficulty"
"Namecoin is sort of an altcoin, but also a domain name system"
"Namecoin is sort of an altcoin, but also a domain name system"
by Vinceypoos December 3, 2013