When transacting on Uniswap on Arbitrum, there is limited visibility into the final state of a transaction on the Ethereum base layer. Through this grant, Blocknative will solve this by providing end-to-end visibility into the L1 status of every Uniswap-Arbitrum transaction. This grant will address developer issues created by opaque observability into L1 settlement by decoding Arbitrum contract calls to Ethernow.xyz with enhanced filtering for Uniswap transactions within the Arbitrum batches. The grant will provide direct data visualization as well as API access. 

By funding this project, Uni-Arb will improve the DevEx on their chain - providing a smoother L1<>L2 experience, enhanced visibility, and actionable insights. Additionally, Web3 users will have third-party confirmation that they are receiving a fair settlement. Overall, the ecosystem will be able to:
- Understand how Uniswap transactions on Arbitrum finalize to Ethereum mainnet 
- Gain monitoring and visibility into final transaction states 
- Develop new areas of research and exploration with Uni-Arb transaction data

Blocknative currently supports Optimism batch decoding, which you can see here. Blocknative has also been providing data access and support to Uniswap researchers to help them understand how the protocol operates. This enabled the first in-depth empirical characterization of the costs of trading on a DEX, see more here.
