Zac Williamson, co-founder of Aztec, stated that Aztec prioritizes privacy over scalability, choosing encrypted transactions over transaction throughput.

Quotes that support claims

Aztec's unique value proposition is not scaling. We do a little bit of that, [because] we are a layer 2, but we never need to be as cheap as other layer 2s.

A fully private transaction will have more data associated with it, because everything is encrypted. Which means that you've required more resources, therefore you cannot scale as much,” Williamson said. “And so we are fine with that.