There is a lot of Bitcoin forum I love bitcoingarden.org I've been using it for several months fast and easy to use 
it Gives accurate information about altcoins (Cryptocurriencies) and There are Special section giveway you can get free ico or coin after retweet .
I have never used any other bitcoin because I like this bitcoin forum and especially this signature campaign. It is most authentic and paying forum. I can make money from this forum from a long time. I had never think of any other bitcoin forum and I dont need to look here and there for any other bitcoin forum because I dont have any extra time to work in any other bitcoin forum. it Gives accurate information about altcoins (Cryptocurriencies) and There are Special section giveway you can get free ico or coin after retweet .