Saul Carlin (smc)

1/ XMTP's V3 update this week laid the foundation for truly chain-agnostic, peer-to-peer messaging. Here's what this could look like in action, courtesy of v0 and Tailwind. Demo: https://v0-xmtp-v3-wireframes.vercel.app/ Walkthrough:👇

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XMTP V3 changes how identity works for messaging. In V2, your inbox was your wallet — tightly bound to a single ETH address. Yesterday's V3 update decoupled that. Here's what changed 👇

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Proud of the @xmtp team for shipping the biggest update yet to the XMTP V3 protocol across all mobile, web, and server-side SDKs. ✨ 30+✨ features hardened: ✅ DMs ✅ MLS ✅ Groups ✅ Consent ✅ Attachments ✅ Group names ✅ Group photos ✅ Read receipts ✅ Caching layer

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For 3 years, we've been obsessed with one thought: What if messaging belonged to all? Today's testnet launch is a giant leap towards that future - where privacy is the default, spam is dead on arrival, and you can truly own your identity and communications.

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1/ It's been inspiring to see the developer community coming together to tackle spam on the @xmtp network. Early efforts include: 📥 Message requests tabs 🤖 Real-time proof-of-personhood 💯 Sender reputation scores 🕵️ Impersonation detection 🎁 Data co-ops & public goods 🧵

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I could not be more excited about XIP-55: https://community.xmtp.org/t/xip-55-passkey-identity/874 Passkey accounts and wallet accounts, all on the same network. It's instant access to decentralized messaging for anyone with an Apple or Android device.

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👋 @xmtp head of product here. The new messaging protocol will use double ratchet. Love to jam and get your feedback. Building in public here; RFC coming soon. https://github.com/xmtp/libxmtp

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