Multi-proposer construction on top of Tendermint

[adizere]

Summary

This discussion gathers various resources on the topic of the Multi-proposer construction on top of Tendermint. We are designing & implementing this in Malachite since ~Spring 2025.

Resources

Ordered from oldest to newest:

• Jan'24: Early ideas & remarks on Twitter about building blocks using vote extensions: thread
• May'25 - First public details: thread
• May'25 - First talk on Multi-proposer @ EPFL
  • Slides: Excalidraw or PDF
• May'25 - Second talk on Multi-proposer @ Fault-tolerant reading group
  • Slides excalidraw
  • Talk details

Inspirations and prior art

• Mar'23: Multiplicity: https://ethresear.ch/t/multiplicity-a-gadget-for-multiple-concurrent-block-proposers/14962
• Nov'24: EIP-7805: Fork-choice enforced Inclusion Lists (FOCIL) - https://eips.ethereum.org/EIPS/eip-7805