I'm not sure whether blockchain will split or not but I think we're really need scaling solution to increase adopters and merchants to adopt and use bitcoin as an alternative currency which could be used all over the world (as long as there is internet connection) just like people use PayPal to purchase goods right now. The spam attack could be prevented by increase blocksize, so miners could process more transactions every 10 minutes.
I'm not sure whether blockchain will split or not but I think we're really need scaling solution to increase adopters and merchants to adopt and use bitcoin as an alternative currency which could be used all over the world (as long as there is internet connection) just like people use PayPal to purchase goods right now. The spam attack could be prevented by increase blocksize, so miners could process more transactions every 10 minutes.