# \#proposal **URL:** https://improve.xmtp.org/tag/proposal/29.md [Latest](https://improve.xmtp.org/latest.md) · [Categories](https://improve.xmtp.org/categories.md) · [Tags](https://improve.xmtp.org/tags.md) --- ## [XIP Idea: Cross-Chain Address Validation & Preventing Same-Address Phishing](https://improve.xmtp.org/t/xip-idea-cross-chain-address-validation-preventing-same-address-phishing/3557)
**Author:** [@Maivar](https://improve.xmtp.org/u/Maivar)\ **Replies:** 0\ **Last updated:** [July 13, 2026, 4:39pm UTC](https://improve.xmtp.org/t/xip-idea-cross-chain-address-validation-preventing-same-address-phishing/3557 "2026-07-13T16:39:41Z")
The Problem: Cross-Chain Identity Spoofing As XMTP expands toward full cross-chain messaging support, it introduces a massive vector for address-spoofing and phishing attacks. Malicious actors routinely deploy smart cont… --- ## [XIP Idea: Protocol-Level Sybil Resistance & Metadata Obfuscation](https://improve.xmtp.org/t/xip-idea-protocol-level-sybil-resistance-metadata-obfuscation/2581)
**Author:** [@Maivar](https://improve.xmtp.org/u/Maivar)\ **Replies:** 1\ **Last updated:** [July 1, 2026, 2:26pm UTC](https://improve.xmtp.org/t/xip-idea-protocol-level-sybil-resistance-metadata-obfuscation/2581 "2026-07-01T14:26:09Z")
1. The Sybil & Phishing Attack Vector Client-side filtering like “Smart Inbox” is just a band-aid. Web3 messaging without economic friction is structurally flawed. With zero cost to initiate communication, the protocol r… --- ## [Add Web3 Wallet Authentication Option](https://improve.xmtp.org/t/add-web3-wallet-authentication-option/1249)
**Author:** [@alexnest2002](https://improve.xmtp.org/u/alexnest2002)\ **Replies:** 1\ **Last updated:** [June 12, 2026, 12:00pm UTC](https://improve.xmtp.org/t/add-web3-wallet-authentication-option/1249 "2026-06-12T12:00:52Z")
IMPORTANT: This post contains ideas intended to spark discussion and gather feedback. These are not final concepts and must not be interpreted as implementation details. For official information about how XMTP works, se… --- ## [Bitcoin taproot identity (BIP-322) — proposal + contribution offer](https://improve.xmtp.org/t/bitcoin-taproot-identity-bip-322-proposal-contribution-offer/2144)
**Author:** [@yatseen](https://improve.xmtp.org/u/yatseen)\ **Replies:** 0\ **Last updated:** [April 28, 2026, 8:34am UTC](https://improve.xmtp.org/t/bitcoin-taproot-identity-bip-322-proposal-contribution-offer/2144 "2026-04-28T08:34:37Z")
We just opened a GitHub issue on libxmtp proposing Bitcoin taproot address support as a first-class XMTP identity type. Posting here to introduce the use case and see if there’s interest before the PR work begins. What… --- ## [Proposing an important legal correction to the documentation](https://improve.xmtp.org/t/proposing-an-important-legal-correction-to-the-documentation/2141)
**Author:** [@alelpoan](https://improve.xmtp.org/u/alelpoan)\ **Replies:** 2\ **Last updated:** [April 23, 2026, 10:35am UTC](https://improve.xmtp.org/t/proposing-an-important-legal-correction-to-the-documentation/2141 "2026-04-23T10:35:25Z")
This is my first open-source contribution, and I would like to propose an important legal correction to the XMTP documentation. I have created my first Pull Request (#738) for this change. Detailed justification can be … --- ## [Proposal to enable Gnosis Chain support](https://improve.xmtp.org/t/proposal-to-enable-gnosis-chain-support/2011)
**Author:** [@web3skeptic](https://improve.xmtp.org/u/web3skeptic)\ **Replies:** 12\ **Last updated:** [April 19, 2026, 7:52am UTC](https://improve.xmtp.org/t/proposal-to-enable-gnosis-chain-support/2011 "2026-04-19T07:52:33Z")
IMPORTANT: This post contains ideas intended to spark discussion and gather feedback. These are not final concepts and must not be interpreted as implementation details. For official information about how XMTP works, se… --- ## [Cross-chain messaging support](https://improve.xmtp.org/t/cross-chain-messaging-support/2120)
**Author:** [@chizzy7569](https://improve.xmtp.org/u/chizzy7569)\ **Replies:** 1\ **Last updated:** [March 20, 2026, 12:34pm UTC](https://improve.xmtp.org/t/cross-chain-messaging-support/2120 "2026-03-20T12:34:30Z")
It could be really useful if XMTP supported cross-chain messaging out of the box, allowing agents on Ethereum, Polygon, and Solana to communicate securely without bridges. Has anyone explored this yet, or are there worka… --- ## [XIP: delegated signing for user-funded messages](https://improve.xmtp.org/t/xip-delegated-signing-for-user-funded-messages/2082)
**Author:** [@tantodefi](https://improve.xmtp.org/u/tantodefi)\ **Replies:** 0\ **Last updated:** [February 5, 2026, 2:49am UTC](https://improve.xmtp.org/t/xip-delegated-signing-for-user-funded-messages/2082 "2026-02-05T02:49:23Z")
xip: title: Delegated Signing for User-Funded Messages description: Enable users to pay for their own message sending by authorizing gateways to sign payer envelopes on their behalf author: @tantodefi discussions-to… --- ## [Ability to search messages in chat](https://improve.xmtp.org/t/ability-to-search-messages-in-chat/2034)
**Author:** [@whoisakme](https://improve.xmtp.org/u/whoisakme)\ **Replies:** 2\ **Last updated:** [February 3, 2026, 1:54pm UTC](https://improve.xmtp.org/t/ability-to-search-messages-in-chat/2034 "2026-02-03T13:54:50Z")
I think it’s a good idea for chats where a lot has been written to add the ability to search messages, so that I can find something that was written a long time ago. --- ## [XIP-21: On-chain transaction reference content type](https://improve.xmtp.org/t/xip-21-on-chain-transaction-reference-content-type/532)
**Author:** [@rygine](https://improve.xmtp.org/u/rygine)\ **Replies:** 17\ **Last updated:** [November 9, 2025, 9:16am UTC](https://improve.xmtp.org/t/xip-21-on-chain-transaction-reference-content-type/532 "2025-11-09T09:16:54Z")
--- ## [Join me pls](https://improve.xmtp.org/t/join-me-pls/1880)
**Author:** [@artemchik](https://improve.xmtp.org/u/artemchik)\ **Replies:** 0\ **Last updated:** [November 1, 2025, 9:20pm UTC](https://improve.xmtp.org/t/join-me-pls/1880 "2025-11-01T21:20:51Z")
my adress : 0x2D9993FFB21cbbcAcB88566B31073ca9ABEA2dDc --- ## [Idea: Cross-chain messaging via XMTP bridge](https://improve.xmtp.org/t/idea-cross-chain-messaging-via-xmtp-bridge/1875)
**Author:** [@Choppa](https://improve.xmtp.org/u/Choppa)\ **Replies:** 0\ **Last updated:** [November 1, 2025, 9:20pm UTC](https://improve.xmtp.org/t/idea-cross-chain-messaging-via-xmtp-bridge/1875 "2025-11-01T21:20:39Z")
Would be amazing if we could message users from other chains through a unified XMTP bridge. --- ## [Reactions](https://improve.xmtp.org/t/reactions/1688)
**Author:** [@himerseed](https://improve.xmtp.org/u/himerseed)\ **Replies:** 0\ **Last updated:** [October 22, 2025, 4:13pm UTC](https://improve.xmtp.org/t/reactions/1688 "2025-10-22T16:13:17Z")
IMPORTANT: This post contains ideas intended to spark discussion and gather feedback. These are not final concepts and must not be interpreted as implementation details. For official information about how XMTP works, se… --- ## [We need to have a community on X](https://improve.xmtp.org/t/we-need-to-have-a-community-on-x/1334)
**Author:** [@skltlzz](https://improve.xmtp.org/u/skltlzz)\ **Replies:** 17\ **Last updated:** [October 15, 2025, 6:02pm UTC](https://improve.xmtp.org/t/we-need-to-have-a-community-on-x/1334 "2025-10-15T18:02:55Z")
IMPORTANT: This post contains ideas intended to spark discussion and gather feedback. These are not final concepts and must not be interpreted as implementation details. For official information about how XMTP works, se… --- ## [I suggest adding localization to this website and adding several languages](https://improve.xmtp.org/t/i-suggest-adding-localization-to-this-website-and-adding-several-languages/1243)
**Author:** [@Akrapovich](https://improve.xmtp.org/u/Akrapovich)\ **Replies:** 1\ **Last updated:** [October 1, 2025, 7:18pm UTC](https://improve.xmtp.org/t/i-suggest-adding-localization-to-this-website-and-adding-several-languages/1243 "2025-10-01T19:18:37Z")
I can take care of localization using i18n if you think it’s necessary. --- ## [XIP-73: Full markdown support, bold, cursive, underlined, colour text, bullet points](https://improve.xmtp.org/t/xip-73-full-markdown-support-bold-cursive-underlined-colour-text-bullet-points/1149)
**Author:** [@tantodefi](https://improve.xmtp.org/u/tantodefi)\ **Replies:** 1\ **Last updated:** [October 1, 2025, 7:09pm UTC](https://improve.xmtp.org/t/xip-73-full-markdown-support-bold-cursive-underlined-colour-text-bullet-points/1149 "2025-10-01T19:09:39Z")
Propose adding a new content–type for Markdown text. For when users are requesting large datasets form agents - to be able to formate the responses better for one glance looks - ex: red and green text for gains/loss %, e… --- ## [Support Buttons in XMTP chat](https://improve.xmtp.org/t/support-buttons-in-xmtp-chat/935)
**Author:** [@MrGrover](https://improve.xmtp.org/u/MrGrover)\ **Replies:** 3\ **Last updated:** [June 5, 2025, 6:21pm UTC](https://improve.xmtp.org/t/support-buttons-in-xmtp-chat/935 "2025-06-05T18:21:01Z")
We propose that XMTP introduce support for soft buttons—clickable UI elements rendered in the conversation flow. This will make it significantly easier for users to interact with agents, especially when a text input is n… --- ## [XIP-66: AT Protocol Identity](https://improve.xmtp.org/t/xip-66-at-protocol-identity/937)
**Author:** [@boscolo](https://improve.xmtp.org/u/boscolo)\ **Replies:** 4\ **Last updated:** [June 1, 2025, 4:46pm UTC](https://improve.xmtp.org/t/xip-66-at-protocol-identity/937 "2025-06-01T16:46:06Z")
authors: @boscolo (cboscolo (Chris Boscolo) · GitHub) Abstract XIP-66 defines a way to add an AT Protocol identity as an associated identity for an XMTP Inbox. Motivation Bluesky has popularized the AT Protocol with ov… --- ## [Streaming support](https://improve.xmtp.org/t/streaming-support/920)
**Author:** [@technohippies](https://improve.xmtp.org/u/technohippies)\ **Replies:** 2\ **Last updated:** [April 10, 2025, 7:24pm UTC](https://improve.xmtp.org/t/streaming-support/920 "2025-04-10T19:24:45Z")
Does XMTP have any plans to support streaming of text or audio? --- ## [Blockchain Gateway](https://improve.xmtp.org/t/blockchain-gateway/542)
**Author:** [@trevor](https://improve.xmtp.org/u/trevor)\ **Replies:** 9\ **Last updated:** [February 8, 2025, 5:21pm UTC](https://improve.xmtp.org/t/blockchain-gateway/542 "2025-02-08T17:21:17Z")
Preliminary The XMTP chain is a layer two EVM blockchain that uses an onchain DID workflow for XMTP messaging identity and blockchain transactions for message metadata transport (i.e., message-metadata transactions). Thi… --- ## [Linking a Web2 domain to xmtp/Converse Messenger](https://improve.xmtp.org/t/linking-a-web2-domain-to-xmtp-converse-messenger/863)
**Author:** [@xmtp.domains](https://improve.xmtp.org/u/xmtp.domains)\ **Replies:** 2\ **Last updated:** [February 7, 2025, 4:12am UTC](https://improve.xmtp.org/t/linking-a-web2-domain-to-xmtp-converse-messenger/863 "2025-02-07T04:12:58Z")
IMPORTANT: This post contains ideas intended to spark discussion and gather feedback. These are not final concepts and must not be interpreted as implementation details. For official information about how XMTP works, se… --- ## [More than one conversation between two users through group chats](https://improve.xmtp.org/t/more-than-one-conversation-between-two-users-through-group-chats/736)
**Author:** [@Alejo\_Lovallo](https://improve.xmtp.org/u/Alejo_Lovallo)\ **Replies:** 5\ **Last updated:** [July 10, 2024, 6:15pm UTC](https://improve.xmtp.org/t/more-than-one-conversation-between-two-users-through-group-chats/736 "2024-07-10T18:15:37Z")
I´ve started by checking out if It´s possible to have more than one conversation between two users. For normal and standard xmtp client chat and conversation this is not possible. However, I wonder if this feature is a… --- ## [XIP-31: Message History request system](https://improve.xmtp.org/t/xip-31-message-history-request-system/617)
**Author:** [@nick](https://improve.xmtp.org/u/nick)\ **Replies:** 3\ **Last updated:** [April 25, 2024, 6:29pm UTC](https://improve.xmtp.org/t/xip-31-message-history-request-system/617 "2024-04-25T18:29:22Z")
XIP Overview --- ## [XIP-19: Deprecate the Composite Codec](https://improve.xmtp.org/t/xip-19-deprecate-the-composite-codec/525)
**Author:** [@nplasterer](https://improve.xmtp.org/u/nplasterer)\ **Replies:** 0\ **Last updated:** [January 10, 2024, 11:06pm UTC](https://improve.xmtp.org/t/xip-19-deprecate-the-composite-codec/525 "2024-01-10T23:06:44Z")
--- ## [XIP-43: Consent Proofs](https://improve.xmtp.org/t/xip-43-consent-proofs/552)
**Author:** [@rygine](https://improve.xmtp.org/u/rygine)\ **Replies:** 2\ **Last updated:** [March 21, 2024, 8:39pm UTC](https://improve.xmtp.org/t/xip-43-consent-proofs/552 "2024-03-21T20:39:21Z")
--- ## [XIP-42: Universal 'allow' and 'block' preferences](https://improve.xmtp.org/t/xip-42-universal-allow-and-block-preferences/544)
**Author:** [@saul](https://improve.xmtp.org/u/saul)\ **Replies:** 5\ **Last updated:** [February 27, 2024, 12:11am UTC](https://improve.xmtp.org/t/xip-42-universal-allow-and-block-preferences/544 "2024-02-27T00:11:36Z")
--- ## [XIP-35: Message sender identifier in topic](https://improve.xmtp.org/t/xip-35-message-sender-identifier-in-topic/509)
**Author:** [@Noe\_Malzieu](https://improve.xmtp.org/u/Noe_Malzieu)\ **Replies:** 3\ **Last updated:** [February 7, 2024, 5:52pm UTC](https://improve.xmtp.org/t/xip-35-message-sender-identifier-in-topic/509 "2024-02-07T17:52:04Z")
Abstract This XRC proposes to add a signature to public envelopes for messages, that a notification server could use to detect if one of the subscribed users has sent the message and not send him the notification (i.e. a… --- ## [Proposal to deprecate the Composite Codec](https://improve.xmtp.org/t/proposal-to-deprecate-the-composite-codec/516)
**Author:** [@nplasterer](https://improve.xmtp.org/u/nplasterer)\ **Replies:** 4\ **Last updated:** [January 31, 2024, 1:31am UTC](https://improve.xmtp.org/t/proposal-to-deprecate-the-composite-codec/516 "2024-01-31T01:31:59Z")
I’d like to propose that the Composite Codec be deprecated. Why? The Composite Codec’s sole impact on XMTP has been to make things more complicated than they need to be. As a core dev on the XMTP Labs team, I have… --- ## [XIP-20: Reactions content type](https://improve.xmtp.org/t/xip-20-reactions-content-type/524)
**Author:** [@mg](https://improve.xmtp.org/u/mg)\ **Replies:** 3\ **Last updated:** [January 25, 2024, 7:10pm UTC](https://improve.xmtp.org/t/xip-20-reactions-content-type/524 "2024-01-25T19:10:11Z")
--- ## [\[Archived\] Decentralizing XMTP, a minimum viable proposal](https://improve.xmtp.org/t/archived-decentralizing-xmtp-a-minimum-viable-proposal/510)
**Author:** [@trevor](https://improve.xmtp.org/u/trevor)\ **Replies:** 3\ **Last updated:** [January 3, 2024, 11:30pm UTC](https://improve.xmtp.org/t/archived-decentralizing-xmtp-a-minimum-viable-proposal/510 "2024-01-03T23:30:49Z")
IMPORTANT: This post contains ideas intended to spark discussion and gather feedback. These are not final concepts and must not be interpreted as implementation details. For official information about how XMTP works, se… [Next page](https://improve.xmtp.org/tag/proposal/29.md?match_all_tags=true&page=1&tags%5B%5D=proposal)