8MB is the maximum size possible for full blocks. BCC supports 2-8MB maximums. the 400GB stat is kind of like calculating how much gas you would use in a year a

8MB is the maximum size possible for full blocks. BCC supports 2-8MB maximums. the 400GB stat is kind of like calculating how much gas you would use in a year assuming 8000RPM 24/7. Also disk usage arguments still apply to SegWit. For instance: see this 3.7MB block on the test network, containing 468 transactions. https://testnet.smartbit.com.au/block/00000000000016a805a7c5d27c3cc0ecb6d51372e15919dfb49d24bd56ae0a8b https://testnet.smartbit.com.au/block/00000000000016a805a7c5... so if we're extrapolating from worst case scenarios, that's 658GB per year!