# General

**URL:** https://community.simplicity-lang.org/c/general/4.md

[Latest](https://community.simplicity-lang.org/latest.md) · [Categories](https://community.simplicity-lang.org/categories.md) · [Tags](https://community.simplicity-lang.org/tags.md)

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## [Welcome to Simplicity Community! 👋](https://community.simplicity-lang.org/t/welcome-to-simplicity-community/5)

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**Author:** [@system](https://community.simplicity-lang.org/u/system)\
**Replies:** 2\
**Last updated:** [September 16, 2026, 8:57pm UTC](https://community.simplicity-lang.org/t/welcome-to-simplicity-community/5 "2026-09-16T20:57:08Z")

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We are so glad you joined us. Here are some things you can do to get started: :speaking\_head: Introduce yourself by adding your picture and information about yourself and your interests to your profile. What is one thi…

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## [About the General category](https://community.simplicity-lang.org/t/about-the-general-category/3)

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**Author:** [@system](https://community.simplicity-lang.org/u/system)\
**Replies:** 0

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## [Multi-error reporting and raw\_hash in the LSP and VS Code extension](https://community.simplicity-lang.org/t/multi-error-reporting-and-raw-hash-in-the-lsp-and-vs-code-extension/97)

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**Author:** [@LesterEvSe](https://community.simplicity-lang.org/u/LesterEvSe)\
**Replies:** 0\
**Last updated:** [October 20, 2026, 2:01pm UTC](https://community.simplicity-lang.org/t/multi-error-reporting-and-raw-hash-in-the-lsp-and-vs-code-extension/97 "2026-10-20T14:01:10Z")

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SimplicityHL upstream branch now keeps analysing after an error, and adds a new unstable raw\_hash builtin. Both are available in development branches of simplicityhl-lsp and the VS Code extension. You get all errors in t…

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## [Nominal Types and Module Identification in SimplicityHL](https://community.simplicity-lang.org/t/nominal-types-and-module-identification-in-simplicityhl/62)

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**Author:** [@apoelstra](https://community.simplicity-lang.org/u/apoelstra)\
**Replies:** 9\
**Last updated:** [October 19, 2026, 2:27pm UTC](https://community.simplicity-lang.org/t/nominal-types-and-module-identification-in-simplicityhl/62 "2026-10-19T14:27:01Z")

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In this Github issue about Ctx8 ergonomics it is proposed that we should have a built-in method to compute the hashes of Simplicity values. Currently, to do this you must manually destructure your object into basic Simpl…

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## [Txw codespace now supports Bitcoin signet](https://community.simplicity-lang.org/t/txw-codespace-now-supports-bitcoin-signet/87)

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**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\
**Replies:** 0\
**Last updated:** [October 6, 2026, 12:52pm UTC](https://community.simplicity-lang.org/t/txw-codespace-now-supports-bitcoin-signet/87 "2026-10-06T12:52:04Z")

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The txw (txmanifest example wallet) codespace has been updated with Bitcoin signet support, so you can now lock and spend Simplicity programs on signet as well as Liquid testnet. Here’s an example Simplicity program spe…

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## [Std lib implementation of spend time SIGHASH modes](https://community.simplicity-lang.org/t/std-lib-implementation-of-spend-time-sighash-modes/83)

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**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\
**Replies:** 0\
**Last updated:** [October 2, 2026, 11:22am UTC](https://community.simplicity-lang.org/t/std-lib-implementation-of-spend-time-sighash-modes/83 "2026-10-02T11:22:02Z")

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I’ve added an implementation allowing the spender to choose a SIGHASH mode at spend time. It’s unaudited, so use with caution. It is not meant to replace other plans of sighash modes, like the disconnect method in check\_…

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## [Yet another padding option: Tapleaves](https://community.simplicity-lang.org/t/yet-another-padding-option-tapleaves/72)

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**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\
**Replies:** 4\
**Last updated:** [October 1, 2026, 1:59pm UTC](https://community.simplicity-lang.org/t/yet-another-padding-option-tapleaves/72 "2026-10-01T13:59:06Z")

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Currently, you cannot submit a program that has a budget above the transaction’s weight. There are a few solutions to this, but the main one we are waiting for is the PR in elements that adds a standardness rule to allow…

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## [Simplicity on Bitcoin signet is live](https://community.simplicity-lang.org/t/simplicity-on-bitcoin-signet-is-live/81)

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**Author:** [@stringhandler](https://community.simplicity-lang.org/u/stringhandler)\
**Replies:** 1\
**Last updated:** [October 1, 2026, 1:49am UTC](https://community.simplicity-lang.org/t/simplicity-on-bitcoin-signet-is-live/81 "2026-10-01T01:49:15Z")

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We’ve started a Bitcoin signet with Simplicity enabled, and it’s open to anyone who wants to play with it: It’s a custom signet running Bitcoin Inquisition (the Core fork people use to test soft fork proposals). The S…

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## [Web-to-wallet communication specification](https://community.simplicity-lang.org/t/web-to-wallet-communication-specification/73)

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**Author:** [@gerau](https://community.simplicity-lang.org/u/gerau)\
**Replies:** 3\
**Last updated:** [September 17, 2026, 10:19am UTC](https://community.simplicity-lang.org/t/web-to-wallet-communication-specification/73 "2026-09-17T10:19:21Z")

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Hi everyone, I want to share a specification for web-to-wallet communication, which describes the way a dApp and a wallet could connect and exchange messages with each other. You can think of this as a simpler WalletCon…

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## [Documentation updates (live and pending)](https://community.simplicity-lang.org/t/documentation-updates-live-and-pending/65)

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**Author:** [@schoen](https://community.simplicity-lang.org/u/schoen)\
**Replies:** 1\
**Last updated:** [September 11, 2026, 10:40pm UTC](https://community.simplicity-lang.org/t/documentation-updates-live-and-pending/65 "2026-09-11T22:40:01Z")

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Hi everybody, I’ve pushed a bunch of clean-ups on https://docs.simplicity-lang.org/, including streamlining our Welcome pages and some other material, and removing a few obsolete or redundant pages. We also have Simplex…

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## [ELIP-206: Clear Signing for Liquid Wallets](https://community.simplicity-lang.org/t/elip-206-clear-signing-for-liquid-wallets/67)

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**Author:** [@KyrylR](https://community.simplicity-lang.org/u/KyrylR)\
**Replies:** 1\
**Last updated:** [September 9, 2026, 12:54pm UTC](https://community.simplicity-lang.org/t/elip-206-clear-signing-for-liquid-wallets/67 "2026-09-09T12:54:31Z")

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This thread is dedicated to discussing ELIP-206, which clarifies how wallets should explain the consequences of signing a particular transaction to users and provides examples. Link to the PR: Add ELIP: Clear Signing fo…

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## [Effects, witnesses, parameters and purity](https://community.simplicity-lang.org/t/effects-witnesses-parameters-and-purity/63)

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**Author:** [@apoelstra](https://community.simplicity-lang.org/u/apoelstra)\
**Replies:** 4\
**Last updated:** [September 1, 2026, 8:09am UTC](https://community.simplicity-lang.org/t/effects-witnesses-parameters-and-purity/63 "2026-09-01T08:09:03Z")

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In this post I talked about a new quote operator that would be used to transform a Simplicity expression into a new expression which computes the CMR of the original expression. In such expressions witness nodes all turn…

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## [Experimenting with a Liquid Web Wallet Interface](https://community.simplicity-lang.org/t/experimenting-with-a-liquid-web-wallet-interface/59)

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**Author:** [@tvolk131](https://community.simplicity-lang.org/u/tvolk131)\
**Replies:** 2\
**Last updated:** [August 26, 2026, 3:06pm UTC](https://community.simplicity-lang.org/t/experimenting-with-a-liquid-web-wallet-interface/59 "2026-08-26T15:06:40Z")

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Hey everyone! While building Apogee, Resolvr’s self-custodial Liquid browser wallet, I’ve been experimenting with how web apps should discover and communicate with Liquid wallets. The draft Liquid Wallet RPC Profile def…

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## [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)

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**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")

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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…

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## [Simplicity-powered Price Oracle running on Liquid](https://community.simplicity-lang.org/t/simplicity-powered-price-oracle-running-on-liquid/43)

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**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")

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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…

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## [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)

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**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")

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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…

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## [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)

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**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")

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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 …

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## [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)

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**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")

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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…

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## [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)

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**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")

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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…

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## [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)

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**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")

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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…

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## [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)

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**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")

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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…

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## [Ecosystem roadmap document ("clear signing")](https://community.simplicity-lang.org/t/ecosystem-roadmap-document-clear-signing/11)

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**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")

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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…
