The next blockchain vote is whether to change Bitcoin-sCrypt’s difficulty retargeting algo and is scheduled for this Friday, October 30, 2015.
The voting block deadline is Bitcoin-sCrypt block # 346000, which should occur sometime between Oct 30, 2015, and Oct 31, 2015.
Voting is easy. Just download the CryptoVoter-BTCS open-source voting client from http://btcs-voter.com and cast your vote using Bitcoin-sCrypt coins before the voting block deadline of BTCS block 346000.
An infographic with voting announcement details can be found here.