# Latest **URL:** https://community.simplicity-lang.org/latest.md?page=1 [Latest](https://community.simplicity-lang.org/latest.md) · [Categories](https://community.simplicity-lang.org/categories.md) · [Tags](https://community.simplicity-lang.org/tags.md) **Page:** 2 --- ## [Txmanifest - portable format for wallets to call SimplicityHL contracts without custom code](https://community.simplicity-lang.org/t/txmanifest-portable-format-for-wallets-to-call-simplicityhl-contracts-without-custom-code/24)
**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\ **Replies:** 2\ **Last updated:** [August 20, 2026, 3:49pm UTC](https://community.simplicity-lang.org/t/txmanifest-portable-format-for-wallets-to-call-simplicityhl-contracts-without-custom-code/24 "2026-08-20T15:49:38Z")
I am not sure why I find it hard to describe the need for something like this. I think a lot of users of SimplicityHL think about writing the .simf file and that’s the end of it. Creating the contract is probably the mos… --- ## [Running prize contests without witness swiping](https://community.simplicity-lang.org/t/running-prize-contests-without-witness-swiping/35)
**Author:** [@schoen](https://community.simplicity-lang.org/u/schoen)\ **Replies:** 11\ **Last updated:** [August 18, 2026, 5:46pm UTC](https://community.simplicity-lang.org/t/running-prize-contests-without-witness-swiping/35 "2026-08-18T17:46:58Z")
Recently Artem Chystiakov ran the first Simplicity CTF challenge, with a real-money prize in Liquid Bitcoin (LBTC). This reminded me that I’ve wanted to run some prize contests to show off Simplicity and encourage people… --- ## [Question about witnesses in the main function](https://community.simplicity-lang.org/t/question-about-witnesses-in-the-main-function/52)
**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\ **Replies:** 3\ **Last updated:** [August 15, 2026, 3:01pm UTC](https://community.simplicity-lang.org/t/question-about-witnesses-in-the-main-function/52 "2026-08-15T15:01:52Z")
In the office hours on 11 Aug, @tvolk131 asked about witnesses in the main function. For some background, the current rule is that witness::FIELD cannot appear outside of the main function. Firstly, this is a Simplicity… --- ## [Simplicity-powered Price Oracle running on Liquid](https://community.simplicity-lang.org/t/simplicity-powered-price-oracle-running-on-liquid/43)
**Author:** [@arvolear](https://community.simplicity-lang.org/u/arvolear)\ **Replies:** 9\ **Last updated:** [August 14, 2026, 10:25pm UTC](https://community.simplicity-lang.org/t/simplicity-powered-price-oracle-running-on-liquid/43 "2026-08-14T22:25:54Z")
Hey fellow devs! Happy to share this price oracle concept with you. This is something we are actively working on to run in prod one day! Would love to hear your thoughts about that. Abstract This document describes an… --- ## [DAMP: Decentralized Asset Management Protocol on Liquid using Simplicity](https://community.simplicity-lang.org/t/damp-decentralized-asset-management-protocol-on-liquid-using-simplicity/54)
**Author:** [@arvolear](https://community.simplicity-lang.org/u/arvolear)\ **Replies:** 0\ **Last updated:** [August 14, 2026, 11:39am UTC](https://community.simplicity-lang.org/t/damp-decentralized-asset-management-protocol-on-liquid-using-simplicity/54 "2026-08-14T11:39:33Z")
Hey again, fellow Simplicity devs! New month, new research paper. Will be happy to hear your feedback. Link to the original post. Abstract We propose a decentralized protocol for managing regulated Liquid assets. Unli… --- ## [\`comp\` and verifiable conjunctions](https://community.simplicity-lang.org/t/comp-and-verifiable-conjunctions/51)
**Author:** [@apoelstra](https://community.simplicity-lang.org/u/apoelstra)\ **Replies:** 0\ **Last updated:** [August 11, 2026, 10:46pm UTC](https://community.simplicity-lang.org/t/comp-and-verifiable-conjunctions/51 "2026-08-11T22:46:43Z")
Structurally, Simplicity has many similarities to Miniscript, a combinator language built on top of Bitcoin Script and which allows complex spending policies to be defined in an analyzable way. (Miniscript borrowed many … --- ## [Why do the constant word jets have unit source type?](https://community.simplicity-lang.org/t/why-do-the-constant-word-jets-have-unit-source-type/42)
**Author:** [@apoelstra](https://community.simplicity-lang.org/u/apoelstra)\ **Replies:** 1\ **Last updated:** [August 10, 2026, 6:30pm UTC](https://community.simplicity-lang.org/t/why-do-the-constant-word-jets-have-unit-source-type/42 "2026-08-10T18:30:50Z")
It’s somewhat annoying that you can’t take an arbitrary expression and prefix something to it with constant &&& expression. This would require that the expression have the same input type as constant, which if constant i… --- ## [Simplex 0.0.9 released](https://community.simplicity-lang.org/t/simplex-0-0-9-released/49)
**Author:** [@schoen](https://community.simplicity-lang.org/u/schoen)\ **Replies:** 0\ **Last updated:** [August 6, 2026, 12:31am UTC](https://community.simplicity-lang.org/t/simplex-0-0-9-released/49 "2026-08-06T00:31:35Z")
Simplex 0.0.9 has been released. You can get it on GitHub or via simplexup. From the changelog: \[0.0.9\] Extended simplex install to accept dependency arguments (simplex install \ or simplex install \=\). … --- ## [Wallet integration workshop (office hours, July 28, 2026)](https://community.simplicity-lang.org/t/wallet-integration-workshop-office-hours-july-28-2026/45)
**Author:** [@schoen](https://community.simplicity-lang.org/u/schoen)\ **Replies:** 3\ **Last updated:** [July 31, 2026, 9:21pm UTC](https://community.simplicity-lang.org/t/wallet-integration-workshop-office-hours-july-28-2026/45 "2026-07-31T21:21:24Z")
At our weekly office hours session on July 28, three of our colleagues will present updates on their work about smart contract integration with wallets. We are building toward a future where as a wallet creator, you c… --- ## [Deadcat: A binary prediction market built on Simplicity](https://community.simplicity-lang.org/t/deadcat-a-binary-prediction-market-built-on-simplicity/40)
**Author:** [@tvolk131](https://community.simplicity-lang.org/u/tvolk131)\ **Replies:** 4\ **Last updated:** [July 25, 2026, 4:15am UTC](https://community.simplicity-lang.org/t/deadcat-a-binary-prediction-market-built-on-simplicity/40 "2026-07-25T04:15:19Z")
I, and my team at Resolvr, have been working on a SimplicityHL-based binary prediction market that we’re calling Deadcat. At the time of writing, the website still needs to be hooked up to our backend, but the end produc… --- ## [Simplex 0.0.8 released](https://community.simplicity-lang.org/t/simplex-0-0-8-released/41)
**Author:** [@schoen](https://community.simplicity-lang.org/u/schoen)\ **Replies:** 0\ **Last updated:** [July 21, 2026, 12:23am UTC](https://community.simplicity-lang.org/t/simplex-0-0-8-released/41 "2026-07-21T00:23:12Z")
Simplex 0.0.8 has been released. You can get it on GitHub or via simplexup. This release makes Simplex work better on Liquid mainnet. Changelog: Fixed many issues in the sdk crate regarding the Liquid mainnet network… --- ## [Apogee, a new Liquid browser wallet, and the Simplicity ecosystem slowly reeling me in 😅](https://community.simplicity-lang.org/t/apogee-a-new-liquid-browser-wallet-and-the-simplicity-ecosystem-slowly-reeling-me-in/39)
**Author:** [@bitcoinjiujitsu](https://community.simplicity-lang.org/u/bitcoinjiujitsu)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 10:18pm UTC](https://community.simplicity-lang.org/t/apogee-a-new-liquid-browser-wallet-and-the-simplicity-ecosystem-slowly-reeling-me-in/39 "2026-07-17T22:18:40Z")
I’m not really a trader of digital assets, mainly because I hate maintaining accounts and apps. But the more Simplicity stuff I see dropping, the more tempted I get. SideSwap, Swaption (options betting on Bitcoin price … --- ## [KaleidoSwap's RGB meets Liquid via Simplicity: what would it mean for the Blockstream app to integrate this?](https://community.simplicity-lang.org/t/kaleidoswaps-rgb-meets-liquid-via-simplicity-what-would-it-mean-for-the-blockstream-app-to-integrate-this/37)
**Author:** [@bitcoinjiujitsu](https://community.simplicity-lang.org/u/bitcoinjiujitsu)\ **Replies:** 0\ **Last updated:** [July 17, 2026, 2:50am UTC](https://community.simplicity-lang.org/t/kaleidoswaps-rgb-meets-liquid-via-simplicity-what-would-it-mean-for-the-blockstream-app-to-integrate-this/37 "2026-07-17T02:50:23Z")
A proof of concept for running RGB assets natively on Liquid, with Simplicity making the seals programmable: Curious what people see as the real use cases here. And specifically, what would it mean for the Blockstream… --- ## [Awesome Simplicity — a curated list of cool projects using Simplicity](https://community.simplicity-lang.org/t/awesome-simplicity-a-curated-list-of-cool-projects-using-simplicity/23)
**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\ **Replies:** 0\ **Last updated:** [July 13, 2026, 8:01am UTC](https://community.simplicity-lang.org/t/awesome-simplicity-a-curated-list-of-cool-projects-using-simplicity/23 "2026-07-13T08:01:30Z")
Started an awesome-list for Simplicity and SimplicityHL: GitHub - stringhandler/awesome-simplicity · GitHub It’s a single page pulling together the stuff that’s scattered across GitHub right now. Useful mainly to bookma… --- ## [Every Simplicity — a catalog of SimplicityHL programs in the wild](https://community.simplicity-lang.org/t/every-simplicity-a-catalog-of-simplicityhl-programs-in-the-wild/22)
**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\ **Replies:** 0\ **Last updated:** [July 13, 2026, 7:58am UTC](https://community.simplicity-lang.org/t/every-simplicity-a-catalog-of-simplicityhl-programs-in-the-wild/22 "2026-07-13T07:58:11Z")
I built a small site that indexes SimplicityHL programs from public repos: Every Simplicity The point is to have one place to catalog what people are actually writing. It tags by jets, built-ins, types, macros, reserved… --- ## [DeFi self-custody lending protocol on Simplicity Contracts (LBTC -\> USDT)](https://community.simplicity-lang.org/t/defi-self-custody-lending-protocol-on-simplicity-contracts-lbtc-usdt/20)
**Author:** [@Sberex](https://community.simplicity-lang.org/u/Sberex)\ **Replies:** 1\ **Last updated:** [July 2, 2026, 11:32am UTC](https://community.simplicity-lang.org/t/defi-self-custody-lending-protocol-on-simplicity-contracts-lbtc-usdt/20 "2026-07-02T11:32:30Z")
The Simplicity Lending Testnet website is now available on staging! The current build works with Jade and supports the full end-to-end lending flow: Create offer → Accept & supply → Repay → Claim interest Create off… --- ## [Ecosystem roadmap document ("clear signing")](https://community.simplicity-lang.org/t/ecosystem-roadmap-document-clear-signing/11)
**Author:** [@schoen](https://community.simplicity-lang.org/u/schoen)\ **Replies:** 0\ **Last updated:** [June 26, 2026, 7:46pm UTC](https://community.simplicity-lang.org/t/ecosystem-roadmap-document-clear-signing/11 "2026-06-26T19:46:09Z")
We’ve just posted a new document at Ecosystem/Wallet Connect Roadmap - Simplicity talking about requirements for the Simplicity ecosystem, particularly in terms of the need for wallets to be able to clearly explain to us… [Previous page](https://community.simplicity-lang.org/latest.md)