As long as no real business is supporting any of these Blockchains it is very very vulnerable, it is also why the big and very different mainstream projects of OpenLedger using bts tech and smartcoin economy will be one of the core pioneers in bringing mainstream to crypto in a way where mainstream do not need to understand crypto to use it, allowing entire ecosystems prosper in a way not seen elsewhere and where digital economy and leadership will eventually stand out bright in neon.