According to CoinDesk, StarkWare, the developer of the Starknet blockchain, announced that it will launch a new "Cairo Verifier" in the coming weeks to open the door to Layer-3 application chains based on Starknet. Cairo, developed by StarkWare and another developer Herodotus, is a key technology for verifying proofs and publishing them back to the Layer-2 blockchain instead of the Ethereum mainnet. In a Telegram message sent to CoinDesk, a StarkWare representative said that the tool is designed to "bridge the critical Layer-3 scalability gap in the blockchain ecosystem." This new component will enable proofs of Layer-3 chains on Layer-2 to be verified, which StarkWare said was previously impossible. StarkWare said that Cairo Verifier will reduce the cost of verifying these proofs and speed up the time for transaction confirmation (i.e., latency). According to StarkWare, Cairo will be the core of verifying Layer-2 and Layer-3 storage proofs. Storage proof is a cryptographic function that allows users to "prove" that certain transactions or assets exist on other chains without relying on third parties. StarkWare and Herodotus developers have previously worked together to develop storage proofs on Starknet. “Cairo Verifier represents an evolution of previous verification technologies, providing improved functionality tailored to the needs of the current blockchain ecosystem,” StarkWare said.

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