# The ETHGas Architecture

ETHGas is an out-of-protocol initiative that broadly intermediates Validators (called Proposers) alongside their [Gas Market Products](/overview/products-deepdive.md) with Buyers of blockspace (Builders, Traders, Searchers, Wallets, End-Users, and more) looking for custom order flow types.

<figure><img src="/files/t1qGMcaHjc4nqPDFsMgm" alt=""><figcaption></figcaption></figure>

## Inclusion Preconf & Whole Block Flow

<figure><img src="/files/vxsABw4zOWiTxWY42kS0" alt=""><figcaption></figcaption></figure>


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