Kakarot: move fast and break a few eggs

Kakarot, an EVM-compatible ZK-rollup built on Cairo, argues that it can adapt to new Ethereum needs faster than other zkEVMs, and it is launching a testnet this month. The article says that most existing zkEVMs are built on circuits, which are harder to change, while Kakarot is built on the Cairo zkVM and can add features quickly. As an example, it says Kakarot added EIP-3074 in a few hundred lines of code across both its execution engine and proof system. It describes feature cycles of one month, compared with two years for a typical EIP.