<div dir="ltr">It&#39;s not clear to me if you are have looked at the previous UTXO set commitment proposals.<br><br>some utxo set commitment bookmarks (a little old)<br><a href="http://diyhpl.us/~bryan/irc/bitcoin/utxo-commitments-or-fraud-proofs.stdout.txt">http://diyhpl.us/~bryan/irc/bitcoin/utxo-commitments-or-fraud-proofs.stdout.txt</a><br><br>TXO bitfields<br><div><a href="http://diyhpl.us/wiki/transcripts/sf-bitcoin-meetup/2017-07-08-bram-cohen-merkle-sets/">http://diyhpl.us/wiki/transcripts/sf-bitcoin-meetup/2017-07-08-bram-cohen-merkle-sets/</a><br><div><br><div>delayed TXO commitments<br><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012715.html">https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012715.html</a></div><div><br></div><div><div>TXO commitments do not need a soft-fork to be useful</div><div><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-February/013591.html">https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-February/013591.html</a></div><div><br></div><div><div>rolling UTXO set hashes<br><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014337.html">https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014337.html</a><br><br>lotta other resources available, including source code proposals..</div></div></div><div><br></div><div class="gmail_signature">- Bryan<br><a href="http://heybryan.org/" target="_blank">http://heybryan.org/</a><br>1 512 203 0507</div></div></div></div>