That raises orphan rates: https://www.reddit.com/r/bitcoinxt/comments/3jziu5/satoshi_chose_the_average_block_time_as_a/ https://www.reddit.com/r/bitcoinxt/comme

That raises orphan rates: https://www.reddit.com/r/bitcoinxt/comments/3jziu5/satoshi_chose_the_average_block_time_as_a/ https://www.reddit.com/r/bitcoinxt/comments/3jziu5/satoshi_c... For "faster transactions", even a 10/8 min is too long and people would still have to rely on mempool transactions. It doesn't raise the security because the proof of work is still the same.