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A curated list of awesome interoperability resources, libraries, tools and more.
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Links to projects, guides, articles, videos and any related content.
- Inter-Blockchain Communication Protocol - The IBC specification used in Cosmos' cross-chain communication protocol
- Interlay - Swaps
- Ethereum BTC Relay - A BTC relay on Ethereum
- Stateless BTC Relay - An improved stateless BTC relay on Ethereum
- Chainswap - Swaps
- LayerZero - Generalised cross-chain message passing
- Multichain - Generalised cross-chain message passing
- Synapse - Swaps
- Wormhole - Generalised cross-chain message passing
- Hop - L2 <-> L1 swaps
- Router Protocol - Generalised cross-chain message passing
- Abacus - Generalised cross-chain message passing
- Axelar - Generalised cross-chain message passing
- Cross-Consensus Message Format (XCM) - The XCM specification used in Polkadot's cross-chain communication protocol
- THORChain - Swaps
- Connext - Liquidity Network on top of Nomad
- NEAR Rainbow Bridge - Swaps between ETH and NEAR
- Nomad - Generalised cross-chain message passing
- Across - Swaps on top of UMA
- Bitcoin Lightning - Swaps between Bitcoin and Bitcoin Lightning
- Blockchain Bridges: Building Networks of Cryptonetworks by Dmitriy Berenzon
- Clusters: how trusted & trust-minimized bridges shape the multi-chain landscape by Mustafa Al-Bassam
- Ethereum Bridges Documentation - The ethereum bridges
- Optimistic Bridges: A New Paradigm for Crosschain Communication - An overview of the optimistic design for cross-chain communication
- SoK: Communication Across Distributed Ledgers - Systemization of Knowledge for the cross-chain domain
- The Interoperability Trilemma - The trillema of interoperability
- Trustless Bridging II: Byzantine Fault Tolerance: Securing light client-based bridges in the event of byzantine attacks
- With Bridges, Trust is a Spectrum - The different trust assumptions that exist in cross-chain protocols
- Axelar: Solving Interoperability across Blockchains - An overview of Axelar
- Burning Bridges: The Pitfalls of Multisig Bridges - What are the common pitfalls of Multisig Bridges
- CSCON[0] Breaking Down Bridges -
- Cross-app Communication Panel - The state of cross-chain communication and it's challenges
- HTLCs Considered Harmful - SBC '19 - The design drawbacks of HTLCs
- MIT Bitcoin Expo 2019 - Non-Atomic Swaps - Use a Bitcoin SPV on Ethereum for non-atomic swaps between ETH and BTC
- The Zero Knowledge Podcast: Designing Optimistic Interoperability with Nomad - An overview of Nomad and it's optimistic design
- The Zero Knowledge Podcast: Through the Wormhole with Jump Crypto - An overview of LayerZero and the tradeoffs of Validator Bridges
- The problem with cross-chain Governance - An overview of cross-chain Governance and Nomad's solution
- Whiteboard Series with NEAR | Ep: 12 James Prestwich from Summa - An overview of cross-chain designs with a focus on stateless SPVs
- Bridge Risk Framework - Discussion on L2Beat on creating a Risk Framework for Bridges
- Cross-chain testing with Foundry - Example on cross-chain testing with Foundry
- Geometry presents: Slush, a proposal for Fractal scaling - A fractal design of cross-domain bridges between rollups
- Zero-Knowledge Proofs in Cross-Chain Communication - A sketch on using Zero-Knowledge proofs for cross-chain communication
- Overcommitted: MEV in Message Passing - Where MEV exists in cross-chain communication
- MEV at the liquidity layer of bridges - Where MEV exists in cross-chain liquidity networks
- The multichain world is centralized ๐ - studying cross-domain MEV - What is cross-chain MEV?
- Unity is Strength: A Formalization of Cross-Domain Maximal Extractable Value- First approach in formalizing cross-domain MEV
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