Solana (and X1) can reduce vote messaging with BLS. Which basically leads to the idea of vote subcommittees reducing overall network overhead (and reducing costs) Here is a good writeup on how BLS works: https://eth2book.info/capella/part2/building_blocks/signatures/ a quick demo you can run yourself with nodeJS using BLS wasm module: https://gist.github.com/jacklevin74/0dede9370f6311658c64ddbf94937e20 We run two test cases against a small cluster of voters verifying messages with an aggregate signature: