Interoperability Patterns

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Messaging related ERCs

ERC	Title	Description
ERC-7627	Secure Messaging Protocol	End-to-end encryption for sending messages between users.
ERC-6170	Cross-Chain Messaging Interface	A common smart contract interface for interacting with messaging protocols.
ERC-7841	Cross-chain Message Format and Mailbox	A mailbox API and message format to provide a unified cross-chain developer experience.
ERC-7786	Cross-Chain Messaging Gateway	An interface for contracts to send and receive cross-chain messages containing arbitrary data.
ERC-7985	Gateway Attributes for Message Control	Gateway attributes for cancellation, timeout, retry, dependencies, and delivery control in cross-chain messaging.
ERC-8180	Blob Authenticated Messaging	Interfaces for authenticated messaging over EIP-4844 blobs with on-chain decoder discovery.
ERC-7854	Verification-independent Cross-Chain Messaging	Multi-Phase Tokens.

Bridge related ERCs

ERC	Title	Description
ERC-7802	Token With Mint/Burn Access Across Chains	Allow authorized contracts to mint and burn token representations during crosschain transfers
ERC-7518	Dynamic Compliant Interop Security Token	Security token framework with semi-fungible partitions for dynamic regulatory compliance management and cross-chain interoperability

Execution related ERCs

ERC	Title	Description
ERC-5164	Cross-Chain Execution	Defines an interface that supports execution across EVM networks.
ERC-8121	Cross-Chain Function Calls via Hooks	A method for delegating metadata resolution to a different contract via hooks.

State related ERCs

ERC	Title	Description
ERC-6358	Cross-Chain Token States Synchronization	A paradigm to synchronize token states over multiple existing public chains
ERC-2157	dType Storage Extension - Decentralized Type System for EVM	This ERC is an extension of ERC-1900, proposing an optional storage extension for dType, a decentralized type system, specifying a general ABI for all storage contracts that contain type instances.
ERC-5559	Cross Chain Write Deferral Protocol	The cross chain write deferral protocol provides a mechanism to defer the storage & resolution of mutations to off-chain handlers
ERC-8119	Parameterized Storage Keys	A format for parameterized string keys used in EVM key-value storage.
ERC-8100	Representable Contract State	Interface and XML binding schema for contracts that expose a canonical representation of their state.

Intends related ERCs

ERC	Title	Description
ERC-7683	Cross Chain Intents	An interface for cross-chain trade execution systems.
ERC-7795	Wallet Call Token Capabilities	Wallet Call API extension for transaction prerequisites for common token types