We make a Bitcoins list for you with more than 15 of forum list. Here are the 15 Top high PR1- PR2. Do-follow forum sites list.
PR1- PR2 Bitcoins Forum Site List
https://www.cryptocoinsnews.com/the-biggest-bitcoin-forums-communities-on-the-web/
http://codecondo.com/bitcoin-forums-and-communities/
https://www.reddit.com/r/btc/comments/52kf9h/top_7_list_of_neutral_forums_for_bitcoin/
https://coinpedia.org/information/bitcoin-forums-list-communities/
http://bitcoins4free.altervista.org/bitcoin-communities/?doing_wp_cron=1505393049.9122180938720703125000
https://bitcointalk.org/
https://www.cryptocompare.com/forum/#/coin
https://news.bitcoin.com/top-10-biggest-bitcoin-villains-date/
http://btcwarriors.com/
https://cryptonews.center/Crypto-Forums/
https://bitcoin.stackexchange.com/questions/37791/is-there-a-list-of-altcoin-communities-that-has-the-most-active-developers
http://www.thebitcoinpage.com/
https://bitco.in/forum/
https://forum.bitcoin.com/