user3347: The Eltoo paper says "Notice that we could use nSequence for this purpose, but due to the interplay with OP_CSV we opted to use nLocktime". Now that Lau showed CSV not to be necessary, does that mean that there is also no reason to use nLocktime?

user3347: Anthony Towns' recent draft uses CLTV, which also uses nLocktime.

3347: <p>The Eltoo paper says "Notice that we could use nSequence for this purpose, but due to the interplay with OP_CSV we opted to use nLocktime". Now that <a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-December/016574.html" rel="nofollow noreferrer">Lau showed CSV not to be necessary</a>, does that mean that there is also no reason to use nLocktime?</p>
 3347: <p><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev/2019-December/002362.html" rel="nofollow noreferrer">Anthony Towns' recent draft</a> uses CLTV, which <a href="https://github.com/bitcoin/bips/blob/master/bip-0065.mediawiki#summary" rel="nofollow noreferrer">also uses nLocktime</a>.</p>
