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MEV Watch

MEV Watch is a public transparency tool that tracks how much of Ethereum's MEV-Boost relay block flow is delivered through OFAC-censoring relays versus neutral relays. It reads payload-delivery statistics from relayscan.io and presents daily-updated dashboards on censorship share, relay rankings, and builder rankings to encourage validators to adopt non-censoring relays.
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Description

MEV Watch monitors Ethereum's MEV-Boost ecosystem, measuring the share of relay payload deliveries attributable to OFAC-compliant, censoring relays (such as Flashbots, bloXroute Max Profit, and bloXroute Regulated) versus neutral relays (such as Ultra Sound, Aestus, Agnostic Gnosis, and Titan). The tool sources its underlying data from relayscan.io's public API, maintained by Flashbots, and applies its own editorial classification of each relay's censorship posture, documented in an open-source codebase. It presents live epoch-by-epoch visualizations, historical censorship trends, and top relay/builder rankings by delivery share, aiming to encourage Ethereum validators to configure mev-boost to connect only to neutral, non-censoring relays in order to preserve the network's credible neutrality.