A good idea.
I wholeheartedly endorse the idea of a “White Bloc” security squad to provide protection for public events. The Far Right cannot cede public spaces and their right to use such spaces without losing credibility to the general population.
There needs to be a division of labor. You have the leaders, speakers, writers, intellectuals and you also need the “shock troops” the “boots on the ground” to provide secure niches for the former group to effectively do their job of creating and spreading memes.
If the Legion Europa idea had caught on, such a security squad would have emerged organically from such a pan-European elite formation. But that was not to be. Can a White Bloc be built up from Pepe-Kek lulzers? Or are there some serious people out there? Spencer mentioned someone with military experience, so maybe there is hope. I would strongly advise to go for quality not quantity. Start with a small high-quality group and add similar people as they emerge, with extreme vetting (and sufficient training and discipline). Going for quantity will fill the ranks with morons and infiltrators, who will do – out of stupidity or mendacity – something stupid to discredit the group and get it into legal trouble.
Take a look at the Legionaries for an idea of how it all should be done.