Episode 229: Going Cross-Chain with Polkadot’s XCM - a podcast by Fredrik Harrysson, Anna Rose

In this week’s episode, Anna (https://twitter.com/annarrose) dives back into the Polkadot world with friend and occasional co-host Rob Habermeier (https://twitter.com/rphmeier) from Parity. They cover XCM - the Cross-Consensus Messaging format - and how XCM allows parachains to speak to one another, passing messages through the validators on the relay chain via XCMP Cross-Chain Message Passing.
Here are some links for this episode:* @paritytech | Github (https://github.com/paritytech)
* @Polkadot | Twitter (https://twitter.com/Polkadot)* @rphmeier | Twitter (https://twitter.com/rphmeier)
* @paritytech/polkadot | Github (https://github.com/paritytech/polkadot)* Ep 83: From Warp Sync to SPREE with Polkadot's Rob Habermeier | ZK Podcast (https://zeroknowledge.fm/83-2)
* Ep 15: Chatting about consensus algorithms with Robert Habermeier | ZK Podcast (https://zeroknowledge.fm/15-2)* @paritytech/xcm-format | Github (https://github.com/paritytech/xcm-format)
* Kusama, Polkadot's Canary Network | kusama.network (https://kusama.network)* Sub0 Online: Getting Started with XCM - Your First Cross Chain Messages (https://youtu.be/5cgq5jOZx9g)
* Pallets | docs.substrate.io (https://docs.substrate.io/v3/runtime/frame/#pallets)* Substrate.io (https://substrate.io)
* Statemine | parachains.info (https://parachains.info/details/statemine)* Polkadot Bridges Connecting The Polkadot Ecosystem With External Networks | polkadot.network (https://polkadot.network/blog/polkadot-bridges-connecting-the-polkadot-ecosystem-with-external-networks/)
* Learn Spree | wiki.polkadot.network (https://wiki.polkadot.network/docs/learn-spree)* Cloaking Device | memory-alpha.fandom.com (https://memory-alpha.fandom.com/wiki/Cloakingdevice)
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Today’s episode is sponsored by Polygon Miden (https://polygon.technology/solutions/polygon-miden).Polygon Miden is layer 2 scaling solution for Ethereum. Miden relies on ZK-STARKs to roll-up thousands of layer 2 transactions into a single Ethereum transaction, increasing throughput and reducing fees.
At the heart of Polygon Miden is Miden VM, a Turing-complete STARK-based virtual machine which provides a level of safety and support of advanced features currently not available on Ethereum.Visit polygon.technology (https://polygon.technology) to learn more about Polygon Miden and other Polygon solutions.
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