Hello all,

Tadge Dryja, Davidson Souza, and I would like to propose 3 BIPs describing Utreexo, a consensus-compatible (non-soft fork) way to send and verify transactions without storing the full UTXO set.

The 3 BIPs are for:
  1. The specification of the Utreexo accumulator.
  2. The specification of Bitcoin block and tx validation using the Utreexo accumulator.
  3. The peer to peer networking changes required to enable Utreexo nodes.

We are currently looking for conceptual review. Do note that the documents are not final, and they will be updated.

All of the BIPs can be found here: https://github.com/utreexo/biptreexo

We thank you in advance for your time and consideration.

Best,
Calvin

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