Time to invent the contractor kink

That’s not what I am saying, I am just saying this strategy has obvious flaws like organized groups of militants being mostly aware of who belongs to them and who doesn’t

More likely the protesters as soon as this is tried with a group of ice agents that actually know each other

No. You are thinking about cryptographic hashes, there are locality based hashes that give you a kind of similarity metric

The ouroborus will remember that