# \#xcm **URL:** https://forum.polkadot.network/tag/xcm/1.md [Latest](https://forum.polkadot.network/latest.md) · [Categories](https://forum.polkadot.network/categories.md) · [Tags](https://forum.polkadot.network/tags.md) --- ## [Advice requested: recovery path for DOT backing stranded xcDOT after Moonbeam shutdown](https://forum.polkadot.network/t/advice-requested-recovery-path-for-dot-backing-stranded-xcdot-after-moonbeam-shutdown/18506)
**Author:** [@tradetiger](https://forum.polkadot.network/u/tradetiger)\ **Replies:** 8\ **Last updated:** [September 21, 2026, 6:29pm UTC](https://forum.polkadot.network/t/advice-requested-recovery-path-for-dot-backing-stranded-xcdot-after-moonbeam-shutdown/18506 "2026-09-21T18:29:25Z")
Hello Polkadot community, I am seeking technical and governance advice regarding xcDOT that remains associated with an EVM account I control on Moonbeam. After Moonbeam stopped producing blocks, I contacted Moonbeam su… --- ## [ParaSpell✨ XCM Tool stack general updates: Introducing ParaSpell CLI ⌨️](https://forum.polkadot.network/t/paraspell-xcm-tool-stack-general-updates-introducing-paraspell-cli/18419)
**Author:** [@dudo50](https://forum.polkadot.network/u/dudo50)\ **Replies:** 0\ **Last updated:** [August 17, 2026, 8:24pm UTC](https://forum.polkadot.network/t/paraspell-xcm-tool-stack-general-updates-introducing-paraspell-cli/18419 "2026-08-17T20:24:47Z")
Dear Polkadot forums community, We are pleased to share the latest addition to our XCM Tool stack. We also have some deprecations to cover, and we wanted to give you sort of general overview of what is new. :sparkles: M… --- ## [Introducing ParaSpell XCM Tools Bug bounty 🪲](https://forum.polkadot.network/t/introducing-paraspell-xcm-tools-bug-bounty/14094)
**Author:** [@dudo50](https://forum.polkadot.network/u/dudo50)\ **Replies:** 1\ **Last updated:** [July 21, 2026, 7:24am UTC](https://forum.polkadot.network/t/introducing-paraspell-xcm-tools-bug-bounty/14094 "2026-07-21T07:24:00Z")
Dear Polkadot forums community! :waving\_hand: After our successful referenda, we’re excited to officially launch the Bug Bounty Program for xcm-tools with 10K USDC reward pool! If you’re a developer, tester, or power u… --- ## [A New Chapter for ParaSpell XCM Tools](https://forum.polkadot.network/t/a-new-chapter-for-paraspell-xcm-tools/17758)
**Author:** [@dudo50](https://forum.polkadot.network/u/dudo50)\ **Replies:** 2\ **Last updated:** [June 30, 2026, 10:34pm UTC](https://forum.polkadot.network/t/a-new-chapter-for-paraspell-xcm-tools/17758 "2026-06-30T22:34:10Z")
Dear Polkadot forums community, Since our last update, ParaSpell​:sparkles: has grown into a much broader XCM ecosystem initiative. Over the last year, ParaSpell continued refining and expanding its XCM tooling stack wi… --- ## [\[Discussion\] Retroactive Big Tipper: xcm-lens v0.0.2 — XCM debugging toolkit (136 tests, MIT)](https://forum.polkadot.network/t/discussion-retroactive-big-tipper-xcm-lens-v0-0-2-xcm-debugging-toolkit-136-tests-mit/17784)
**Author:** [@DanWave](https://forum.polkadot.network/u/DanWave)\ **Replies:** 15\ **Last updated:** [June 22, 2026, 12:28pm UTC](https://forum.polkadot.network/t/discussion-retroactive-big-tipper-xcm-lens-v0-0-2-xcm-debugging-toolkit-136-tests-mit/17784 "2026-06-22T12:28:50Z")
Retroactive Big Tipper: xcm-lens v0.0.2 — XCM debugging toolkit \[Disclosure (added Day 2 after community feedback): This proposal was AI-orchestrated. Claude (Anthropic) assisted with: TypeScript boilerplate, long-form p… --- ## [Deprecation of Snowbridge V1](https://forum.polkadot.network/t/deprecation-of-snowbridge-v1/17887)
**Author:** [@alistair](https://forum.polkadot.network/u/alistair)\ **Replies:** 0\ **Last updated:** [June 15, 2026, 12:55pm UTC](https://forum.polkadot.network/t/deprecation-of-snowbridge-v1/17887 "2026-06-15T12:55:46Z")
Deprecation of Snowbridge V1 Snowbridge V2 has been running on Polkadot and Ethereum for a year. With V2 available and established, we plan to begin deprecating Snowbridge V1 and move remaining users and parachain integr… --- ## [How to P\<\>K bridge USDT or USDC](https://forum.polkadot.network/t/how-to-p-k-bridge-usdt-or-usdc/15035)
**Author:** [@brenzi](https://forum.polkadot.network/u/brenzi)\ **Replies:** 2\ **Last updated:** [May 21, 2026, 3:50pm UTC](https://forum.polkadot.network/t/how-to-p-k-bridge-usdt-or-usdc/15035 "2026-05-21T15:50:37Z")
Since execution of ref 595, we can now bridge stablecoins! Until the popular UI’s support this, I’d like to share PJS instructions on how to bridge USDT and USDC: notes: PAH\>KAH will work even if the beneficiary acco… --- ## [(Re)introducing Polkadot Ecosystem Tests (PET)](https://forum.polkadot.network/t/re-introducing-polkadot-ecosystem-tests-pet/17723)
**Author:** [@rockbmb](https://forum.polkadot.network/u/rockbmb)\ **Replies:** 0\ **Last updated:** [May 20, 2026, 6:33pm UTC](https://forum.polkadot.network/t/re-introducing-polkadot-ecosystem-tests-pet/17723 "2026-05-20T18:33:35Z")
TL;DR: PET is a test suite for Polkadot/Kusama relay chains and system parachains, with growing coverage for ecosystem parachains. E2E tests for accounts, proxy, multisig, governance, staking, and more now exist alongsid… --- ## [Postmortem: XCM InitiateTransfer Origin Leak](https://forum.polkadot.network/t/postmortem-xcm-initiatetransfer-origin-leak/17357)
**Author:** [@francisco.aguirre](https://forum.polkadot.network/u/francisco.aguirre)\ **Replies:** 1\ **Last updated:** [March 23, 2026, 4:05pm UTC](https://forum.polkadot.network/t/postmortem-xcm-initiatetransfer-origin-leak/17357 "2026-03-23T16:05:00Z")
Summary An XCM issue was reported via the bug bounty program. The issue allowed any account to act as any chain via XCM. In Asset Hub it means root access for many chains. In general it gives them access to the sovereign… --- ## [🐢 Turtle - The unified app for token movement on Polkadot](https://forum.polkadot.network/t/turtle-the-unified-app-for-token-movement-on-polkadot/11699)
**Author:** [@nuno](https://forum.polkadot.network/u/nuno)\ **Replies:** 7\ **Last updated:** [March 19, 2026, 2:16pm UTC](https://forum.polkadot.network/t/turtle-the-unified-app-for-token-movement-on-polkadot/11699 "2026-03-19T14:16:42Z")
Hey Polkadot community :seedling: At Velocity Labs, we have been focused on building :turtle: Turtle, the unified app for token movement on Polkadot. We launched Turtle v2.0.0 just a few months back which included supp… --- ## [Multi-Asset Bounties Now Live on Westend: Testing and Roadmap](https://forum.polkadot.network/t/multi-asset-bounties-now-live-on-westend-testing-and-roadmap/16899)
**Author:** [@dhirajs0](https://forum.polkadot.network/u/dhirajs0)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 1:42pm UTC](https://forum.polkadot.network/t/multi-asset-bounties-now-live-on-westend-testing-and-roadmap/16899 "2026-02-02T13:42:44Z")
The Multi-Asset Bounties pallet has been merged and is now deployed on the Westend testnet. This release enables treasuries to fund bounties using assets other than the native token, such as stablecoins. We invite the co… --- ## [Composability Between smart contracts on different parachains](https://forum.polkadot.network/t/composability-between-smart-contracts-on-different-parachains/16043)
**Author:** [@RustSyndicate](https://forum.polkadot.network/u/RustSyndicate)\ **Replies:** 0\ **Last updated:** [November 25, 2025, 6:47am UTC](https://forum.polkadot.network/t/composability-between-smart-contracts-on-different-parachains/16043 "2025-11-25T06:47:08Z")
Hey \*, After getting into the smart contracts on the Hub and trying to make different (Solidity and PVM)smart contracts on different parachains talk to eachother(not with super much success.. ), the only cross contract … --- ## [🚀 Snowbridge V2 Is Live!](https://forum.polkadot.network/t/snowbridge-v2-is-live/15844)
**Author:** [@claravanstaden](https://forum.polkadot.network/u/claravanstaden)\ **Replies:** 0\ **Last updated:** [November 7, 2025, 8:47am UTC](https://forum.polkadot.network/t/snowbridge-v2-is-live/15844 "2025-11-07T08:47:35Z")
We’re thrilled to announce that Snowbridge V2 has officially launched! This release marks a major milestone in the evolution of Snowbridge (the trustless Ethereum ↔ Polkadot bridge) enabling new interoperability capabil… --- ## [RFC: Polkadollar - A Modular Stablecoin Infrastructure for Polkadot](https://forum.polkadot.network/t/rfc-polkadollar-a-modular-stablecoin-infrastructure-for-polkadot/15619)
**Author:** [@prasad](https://forum.polkadot.network/u/prasad)\ **Replies:** 0\ **Last updated:** [October 22, 2025, 12:37pm UTC](https://forum.polkadot.network/t/rfc-polkadollar-a-modular-stablecoin-infrastructure-for-polkadot/15619 "2025-10-22T12:37:54Z")
Hey community, Over the past few months, the Polkadot community has been actively discussing the future of native stablecoins, most notably through RFC-155: pUSD and Referendum #1761. While these efforts aim to bring s… --- ## [DAPPS ACTION REQUIRED FOR AHM for keeping cross-chain transfers stable](https://forum.polkadot.network/t/dapps-action-required-for-ahm-for-keeping-cross-chain-transfers-stable/15169)
**Author:** [@francisco.aguirre](https://forum.polkadot.network/u/francisco.aguirre)\ **Replies:** 0\ **Last updated:** [October 2, 2025, 11:56am UTC](https://forum.polkadot.network/t/dapps-action-required-for-ahm-for-keeping-cross-chain-transfers-stable/15169 "2025-10-02T11:56:35Z")
With the upcoming Asset Hub Migration (AHM), parachains are expected to switch their KSM/DOT reserves from the Relay Chain to Asset Hub. This transition will occur at different times for different chains, which may disru… --- ## [Mandatory action guide for AHM: broken native crosschain transfers](https://forum.polkadot.network/t/mandatory-action-guide-for-ahm-broken-native-crosschain-transfers/14634)
**Author:** [@francisco.aguirre](https://forum.polkadot.network/u/francisco.aguirre)\ **Replies:** 0\ **Last updated:** [August 27, 2025, 2:55pm UTC](https://forum.polkadot.network/t/mandatory-action-guide-for-ahm-broken-native-crosschain-transfers/14634 "2025-08-27T14:55:28Z")
Context There’s an issue with the existing transfer\_assets and (limited\_)reserve\_transfer\_assets extrinsics and the upcoming Asset Hub Migration (AHM). TL;DR: transfer\_assets and (limited\_)reserve\_transfer\_assets automa… --- ## [Multi Asset Treasury and Milestone-Based Spends](https://forum.polkadot.network/t/multi-asset-treasury-and-milestone-based-spends/6780)
**Author:** [@Muharem](https://forum.polkadot.network/u/Muharem)\ **Replies:** 18\ **Last updated:** [August 1, 2025, 3:22am UTC](https://forum.polkadot.network/t/multi-asset-treasury-and-milestone-based-spends/6780 "2025-08-01T03:22:17Z")
The new Polkadot Treasury version (v1.1) introduces a new feature that enables users to request a spend from the Treasury in any assets held on its accounts across any supported chain, not limited to DOT on the RelayChai… --- ## [\[UPDATE\] XCSCAN — Crosschain Explorer for Polkadot & Kusama](https://forum.polkadot.network/t/update-xcscan-crosschain-explorer-for-polkadot-kusama/13480)
**Author:** [@sodazone](https://forum.polkadot.network/u/sodazone)\ **Replies:** 1\ **Last updated:** [July 22, 2025, 3:37pm UTC](https://forum.polkadot.network/t/update-xcscan-crosschain-explorer-for-polkadot-kusama/13480 "2025-07-22T15:37:23Z")
xcscan.io is a purpose-built explorer for crosschain activity on Polkadot and Kusama. It is open-source and focused entirely on cross-consensus messaging, making XCM’s programmable, multi-step nature accessible through c… --- ## [Panorama: Novel Cross-Chain Visualization](https://forum.polkadot.network/t/panorama-novel-cross-chain-visualization/13662)
**Author:** [@sodazone](https://forum.polkadot.network/u/sodazone)\ **Replies:** 2\ **Last updated:** [July 8, 2025, 3:52pm UTC](https://forum.polkadot.network/t/panorama-novel-cross-chain-visualization/13662 "2025-07-08T15:52:15Z")
Overview Panorama presents a bidirectional arc diagram visualizing the Polkadot ecosystem networks, with each node representing a network arranged linearly for clarity. Arcs between nodes show the USD transfer volume ov… --- ## [ParaSpell✨ - Your go to XCM Tool stack](https://forum.polkadot.network/t/paraspell-your-go-to-xcm-tool-stack/13455)
**Author:** [@dudo50](https://forum.polkadot.network/u/dudo50)\ **Replies:** 4\ **Last updated:** [July 4, 2025, 12:37pm UTC](https://forum.polkadot.network/t/paraspell-your-go-to-xcm-tool-stack/13455 "2025-07-04T12:37:37Z")
Dear Polkadot forums community, Let us reintroduce you to A set of powerful XCM Tools ready to elevate your project cross-chain experience. The following post is a followup to previous posts ParaSpell V1 Forums post,… --- ## [Giant Squid Phase 2 Implementation Update](https://forum.polkadot.network/t/giant-squid-phase-2-implementation-update/13486)
**Author:** [@LimeChain](https://forum.polkadot.network/u/LimeChain)\ **Replies:** 0\ **Last updated:** [June 25, 2025, 6:29am UTC](https://forum.polkadot.network/t/giant-squid-phase-2-implementation-update/13486 "2025-06-25T06:29:54Z")
We’re pleased to announce the launch of the new Giant Squid landing page. It provides direct access to on-chain data via GraphQL endpoints, supporting efficient querying and data retrieval. With Phase 2, Giant Squid now … --- ## [Distributed AI marketplace - Substrate and XCM in Action](https://forum.polkadot.network/t/distributed-ai-marketplace-substrate-and-xcm-in-action/2817)
**Author:** [@art\_balance\_ai](https://forum.polkadot.network/u/art_balance_ai)\ **Replies:** 0\ **Last updated:** [May 10, 2023, 2:04pm UTC](https://forum.polkadot.network/t/distributed-ai-marketplace-substrate-and-xcm-in-action/2817 "2023-05-10T14:04:50Z")
Hello everyone, I want to introduce you to an innovative AI-based distributed marketplace that combines web3 technology and AI models to help users find the best financial products, invest smarter, and manage risks more… --- ## [Snowbridge March 2025 Update](https://forum.polkadot.network/t/snowbridge-march-2025-update/12307)
**Author:** [@claravanstaden](https://forum.polkadot.network/u/claravanstaden)\ **Replies:** 0\ **Last updated:** [March 31, 2025, 7:02am UTC](https://forum.polkadot.network/t/snowbridge-march-2025-update/12307 "2025-03-31T07:02:42Z")
Snowbridge Upgrade We are excited to share that Snowbridge recently underwent a significant upgrade, as approved by Referendum 1468. This upgrade introduces two major enhancements to our bridging capabilities: Native E… --- ## [BadOrigin error for sudo -\> hrmp -\> establishChannelWithSystem](https://forum.polkadot.network/t/badorigin-error-for-sudo-hrmp-establishchannelwithsystem/11890)
**Author:** [@huangtx2002](https://forum.polkadot.network/u/huangtx2002)\ **Replies:** 1\ **Last updated:** [February 28, 2025, 2:43am UTC](https://forum.polkadot.network/t/badorigin-error-for-sudo-hrmp-establishchannelwithsystem/11890 "2025-02-28T02:43:12Z")
Please advise. I am running local parachain and asset hub system parachain. --- ## [Ocelloids XCM Tracking Demos: Tracking App + DEX App Integration](https://forum.polkadot.network/t/ocelloids-xcm-tracking-demos-tracking-app-dex-app-integration/6479)
**Author:** [@sodazone](https://forum.polkadot.network/u/sodazone)\ **Replies:** 7\ **Last updated:** [February 10, 2025, 11:26am UTC](https://forum.polkadot.network/t/ocelloids-xcm-tracking-demos-tracking-app-dex-app-integration/6479 "2025-02-10T11:26:21Z")
Hey everyone, We’d like to share a quick demo and update of Ocelloids :slight\_smile: In this demo, we are connecting to long-running subscriptions of XCM through WebSockets and displaying them in the UI as notification… --- ## [Who's using the XCM Global Registry?](https://forum.polkadot.network/t/whos-using-the-xcm-global-registry/11476)
**Author:** [@nuno](https://forum.polkadot.network/u/nuno)\ **Replies:** 7\ **Last updated:** [January 24, 2025, 1:51am UTC](https://forum.polkadot.network/t/whos-using-the-xcm-global-registry/11476 "2025-01-24T01:51:38Z")
Hey community :raised\_hand\_with\_fingers\_splayed: Nuno here, product & tech lead @Velocity\_Labs. Velocity Labs is considering taking over the maintenance of the XCM Global Registry. We have already asked a few teams bui… --- ## [ParaLink – XCM-based asset exchange hub](https://forum.polkadot.network/t/paralink-xcm-based-asset-exchange-hub/11515)
**Author:** [@AsceticBear](https://forum.polkadot.network/u/AsceticBear)\ **Replies:** 2\ **Last updated:** [January 24, 2025, 1:35am UTC](https://forum.polkadot.network/t/paralink-xcm-based-asset-exchange-hub/11515 "2025-01-24T01:35:58Z")
Hello, community members! I’m Bear Wang from the RingDAO ecosystem. Here’s a concise overview of ParaLink, our beta asset exchange hub built on XCM within Polkadot parachains. We recognize that XCM-based asset dApps like… --- ## [Idea to attract new users:)](https://forum.polkadot.network/t/idea-to-attract-new-users/11480)
**Author:** [@mugaddas](https://forum.polkadot.network/u/mugaddas)\ **Replies:** 8\ **Last updated:** [January 21, 2025, 6:30am UTC](https://forum.polkadot.network/t/idea-to-attract-new-users/11480 "2025-01-21T06:30:34Z")
Hi all! My name is Mugaddas. I’m a Polkadot lover. and I have user experience in the Polkadot ecosystem and beyond. Recently I was thinking about how to do it in such a way as to attract many users to the ecosystem and a… --- ## [Cross-Chain NFT Think Tank](https://forum.polkadot.network/t/cross-chain-nft-think-tank/6698)
**Author:** [@Charu\_Unique](https://forum.polkadot.network/u/Charu_Unique)\ **Replies:** 5\ **Last updated:** [January 20, 2025, 7:59pm UTC](https://forum.polkadot.network/t/cross-chain-nft-think-tank/6698 "2025-01-20T19:59:11Z")
Hi everyone, I am Charu from Unique Network. A quick recap on the motivation behind the NFT XCM proposal - it is rooted in Polkadot’s core value proposition—facilitating interchain communication and transfers for all ass… --- ## [ParaSpell✨ XCM Tools - Go cross-chain within seconds. Latest upgrades, future upgrades & maintenance report](https://forum.polkadot.network/t/paraspell-xcm-tools-go-cross-chain-within-seconds-latest-upgrades-future-upgrades-maintenance-report/11302)
**Author:** [@dudo50](https://forum.polkadot.network/u/dudo50)\ **Replies:** 3\ **Last updated:** [January 7, 2025, 9:15am UTC](https://forum.polkadot.network/t/paraspell-xcm-tools-go-cross-chain-within-seconds-latest-upgrades-future-upgrades-maintenance-report/11302 "2025-01-07T09:15:03Z")
Dear Polkadot forums community, Let us reintroduce you to A set of powerful XCM Tools ready to elevate your project cross-chain experience. The following post is a followup to previous posts ParaSpell V1 Forums post,… [Next page](https://forum.polkadot.network/tag/xcm/1.md?match_all_tags=true&page=1&tags%5B%5D=xcm)