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Searchers are entities that identify MEV opportunities with "Originator" transactions and execute on these opportunities via bundles.
Searching on Blink is very similar to them mempool, searchers will max bid to the builder. Blink then takes a percentage of the fee paid to the builder via the optional bundle param fields "refundPercent" & "refundRecipient". See
eth_sendBundlehere for more details on these fields.
Searchers looking to connect to Blink's open marketplace on Ethereum will need to understand the following sections.