It's not encrypted. The BBQ network is down and problems opening it.
Cryptochainer still has a zipped bbq blockchain download available.
http://cryptochainer.com/dir/http://108.61.216.160/cryptochainer.chains/chains/BBQCoin_blockchain.zipIt's announcement thread last mentioned bbqcoin on January 22, 2016, so the network was probably still up and running about a year ago.
Added:
FlyCoin
Hyper
AudioCoin
Sembro Token
TagCoin
WildBeastCoin
BBQCoin
Crave
GameCredits
HamRadio Coin
Clam
IncaKoin
Quatloo
TurboStake
RubyCoin V2
Ron Paul Coin
Unbreakable
HTML5
MegaCoin