Move a lever. Watch the chain react.
Faster blocks, more validators, a higher bar for rule changes: every choice a chain makes has a price. Change one and see short splits, missed blocks or slow agreement appear within seconds. A split is two blocks at one height that the chain settles within a block or two; it is not the fork Tau avoids: changing the rules never needs one.
How often a new block is made.
Who takes turns making blocks and votes on rule changes.
The bar a rule change must clear.
Each one misses its turn and its vote.
How long a block travels to the others.
Steady