CCIP

Quick take: CCIP (Cross Chain Interoperability Protocol)

Enabling a Secure and Flexible Multi-chain Ecosystem Cross-Chain Interoperability Protocol (CCIP) provides a universal, open standard for developers to build secure services and applications that can send messages, transfer tokens, and initiate actions across multiple networks.

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In depth

CCIP aims to establish a universal, open standard to help enable developers to build secure services and applications that can send arbitrary messages, transfer tokens, and initiate actions across multiple blockchain networks.

CCIP’s architecture comprises three layers—messaging (programmable bridge), transport (CCIP core), and decentralized oracle networks (DONs) using OCR 2.0, as well as a fourth component in the form of the Anti-Fraud Network (AFN) that supports each layer.

A unique feature of CCIP is the Anti-Fraud Network, a separate verification layer that independently monitors all layers of the CCIP stack. If the AFN’s nodes notice any nefarious activity, an emergency shutdown can be automatically triggered to stop cross-chain activity. Whenever a contract performs an action, it checks the status of the AFN to see if the system is in an emergency pause state. Notably, the AFN only monitors public (on-chain) information, making its activity fully auditable.

Timeline

• 28 Sep 22. Chainlink announce that SWIFT is using the Cross-Chain Interoperability Protocol (CCIP) in an initial proof of concept. View the announcement video HERE.

CCIP (Cross chain interoperability protocol) resources

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Timeline

Date	Media	Author	Title
02 Jan 22	Video	Sergey Nazarov	Sergey Nazarov discusses CCIP in his talk entitled "The Future of Chainlink"
25 Sep 21	Video	Sergey Nazarov	Announcing the Cross-Chain Interoperability Protocol (CCIP)

Educational

Date	Media	Author	Title
N/A	Official Docs	Chainlink	Chainlink Cross-Chain Interoperability Protocol (CCIP)
23 Dec 22	Article	Prophet	Chainlink Cross Chain Interoperability Protocol — One Solution to Connect Them All
07 Oct 22	Video	Chainlink	Architecting Secure Cross-Chain Infrastructure With CCIP | Lorenz Breidenbach at SmartCon 2022
19 Sep 22	Article	Chainlink	What Is Blockchain Interoperability?
15 Sep 22	Article	Coingecko	What Is Chainlink CCIP? Guide To Cross-Chain Interoperability Protocol
05 Feb 22	Article	Chainlink	What Are Cross-Chain Smart Contracts?
19 Jan 22	Article	Chainlink	Unlocking Cross-Chain Smart Contract Innovation With CCIP
25 Sep 21	Video	Chainlink	Sergey Nazarov - Understanding the Cross-Chain Interoperability Protocol (CCIP)
17 Sep 21	Article	Chainlink	Chainlink’s Blockchain Agnostic Design: Native Oracle Support for Any Network
14 Aug 21	Video	Chainlink	Ben Chan: Exploring the Cross-Chain Interoperability Protocol (CCIP)
15 Aug 21	Article	Chainlink	Introducing the Cross-Chain Interoperability Protocol (CCIP) for Decentralized Inter-Chain Messaging and Token Movements

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