a16z crypto's Eddy Lazzarin on why AI makes the world more secure: bugs are finite, and the cost of finding them keeps collapsing. "Making comparisons between models from a year ago versus today... Some people were coming up with estimates like it's... 99% cheaper for intellectual capability per dollar." "Pair that with a frame we've talked about before, which is that the number of bugs in software is finite. Then we're asymptotically approaching zero bugs. Maybe we actually just hit zero at…