Proper grammar regarding Bulletproofs
If you're talking about the bulletproofs research or the bulletproofs topic, use "is".

If you're talking about the individual proofs, use "are".


Bulletproofs is shaping the future.
Bulletproofs is an important protocol.
Bulletproofs are short and don't require trusted setup.
Bulletproofs are going to replace the usual signatures.
Bulletproofs is going to replace the current signature protocol.