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Contract Design

Market and Auction Design and Structure


We will keep the alpha part as is for now. We do not want to impose a new format on bidders as given our small size might mean being ignored. The only change is the restriction of gas to 25MM. (The rest goes to the beta market).


This means that the auction is backwards compatible with MEV Boost


We will go with a discriminatory auction first.


It is understood though that we adapt the auction format depending on: (i) feedback by potential bidders (ii) actual behavior in the market.

We will restrict the residual claim only to full bids for now.

This is to avoid too small of token allocations that are then practically of no use.

The main reasons are:

  • Simple and familiar format
  • In principle compatible with a secondary market
  • But first and foremost: Want to get feedback from bidders how they bid.


  1. Depending on the step bidding, we increase the token size.
  2. If we observe bidding on whole blocks only (or close to it), we can simplify the whole setup dramatically.
  3. If we observe upward sloping demand curves, we might need to change the format completely.

Secondary market

  • Market running after primary allocation took place
  • Need to think whether we should provide the marketplace ourselves

    • In principle could be handled by external parties
    • But the interlocking of different markets (that the timing of spot market and secondary market is making sense) is probably relevant and easier to orchestrate by us.
  • The main purpose of this market is to account for information differences over time - e.g. builders might realize they cannot fill a block; or they might need more space.

  • The base fee is not known at the time of the primary market;so there should be updates regarding the base fee happening with before-strike-time blocks being minted. This also affects the initial pricing we offer.