diff --git a/_posts/en/newsletters/2020-07-29-newsletter.md b/_posts/en/newsletters/2020-07-29-newsletter.md index cb22e55ae..3902e1834 100644 --- a/_posts/en/newsletters/2020-07-29-newsletter.md +++ b/_posts/en/newsletters/2020-07-29-newsletter.md @@ -69,7 +69,29 @@ answers posted since our last update.* {% comment %}{% endcomment %} {% assign bse = "https://bitcoin.stackexchange.com/a/" %} -FIXME:bitschmidty +- [What are "leaf versions" in Taproot?]({{bse}}97104) + Michael Folkson and Pieter Wuille explain that each leaf node of a + [taproot][topic taproot] tree commits to both a leaf version and a script. + This leaf version can be used for upgradability and designates the script + semantics that apply just to that leaf. + +- [What are the different upgradability features in the BIP-Taproot (BIP341) proposal?]({{bse}}96951) + Michael Folkson answers a question from Twitter regarding the different ways + in which taproot can enable upgradability including leaf versions for script + semantics, repurposing opcodes for future functionality, pubkey types, and the + annex for new fields. + +- [Is there an active list of BIPs currently open?]({{bse}}97043) + Pieter Wuille describes various methods that have previously been used to + activate soft forks and notes that, while there are currently no unactivated + soft forks in Bitcoin Core, there is a discussion about the activation method + for taproot. Pieter also answers a [similar question][stack exchange miner + signaling] about mining signaling support. + +- [Could we skip the Taproot soft fork and instead use Simplicity to write the equivalent of Taproot scripts?]({{bse}}97049) + Michael Folkson, quoting Pieter Wuille, outlines the current state of + [Simplicity][news96 simplicity] and also notes that integrating Simplicity in + taproot as a leaf version would be preferable. ## Releases and release candidates @@ -210,3 +232,5 @@ release candidates.* [bolts #688 eclair tests]: https://github.com/lightningnetwork/lightning-rfc/pull/688#issuecomment-656737250 [public fibre network]: http://bitcoinfibre.org/public-network.html [wtxid relay backport]: https://github.com/bitcoin/bitcoin/pull/19606 +[stack exchange miner signaling]: https://bitcoin.stackexchange.com/questions/97041/how-does-a-miner-put-his-vote-for-certain-bip/97047#97047 +[news96 simplicity]: /en/newsletters/2020/05/06/#simplicity-next-generation-smart-contracting