PoR

Quick take: PoR - Proof of reserve

Autonomous, secure, and reliable audits of reserves Chainlink Proof of Reserve (PoR) replaces lengthy, opaque audits with automated, transparent, real-time on-chain audits backed by cryptographic truth, using a decentralized network of nodes to prevent a single point of failure. .

In depth

PoR enables the creation of a financial system where the fractional reserve practices and inefficient manual auditing processes that have contributed to financial crises in the past are replaced with highly effective on-chain audits with strong decentralization and transparency, secured by math and cryptography.

Secure the minting, burning, and redeeming of wrapped tokens and prevent the creation of unbacked tokens

Replace traditional audits with automated, transparent audits backed by cryptographic truth

Allow users to independently verify wrapped token collateralization on-chain

Timeline

PoR resources

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Timeline

Date	Media	Author	Title
22 Feb 22	Article	Celcius	Celsius Integrates Chainlink Proof of Reserve (PoR) To Help Secure Cross-Chain Wrapped Tokens
23 Sep 21	Article	PR Newswire	Gemini to Sponsor a Chainlink Proof of Reserve Feed For On-Chain Audits of EFIL Collateralization

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Educational

Date	Media	Author	Title
N/A	Official Docs.	Chainlink	PoR - Autonomous, secure, and reliable audits of reserves
05 Jan 23	Article	Chainlink	Exploring Decentralized Proof-of-Solvency Systems
30 Dec 22	Article	Nic Carter	The Status of Proof of Reserve as of Year End 2022
03 Dec 22	Video	Chainlink	The Hitchhiker's Guide to Chainlink Proof of Reserve | Chainlink Tech Talk #14
10 Aug 22	Education	Chainlink	Verify Bitcoin Collateral With Chainlink Proof of Reserve
30 Jun 22	Article	Chainlink	Making Stablecoins More Stable With Chainlink Proof of Reserve
22 Feb 22	Article	Chainlink	Using Chainlink Proof of Reserve to Unlock Cross-Chain Liquidity With Wrapped Tokens
02 Mar 21	Article	Chainlink	Verify Stablecoin Collateral With Chainlink Proof of Reserve
26 Dec 21	Video	Sergey Nazarov	Transforming Audits With Chainlink Proof of Reserve
30 Nov 20	Article	Chainlink	Understanding Proof of Reserves

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https://chain.link/case-studies/celsius - Good quotes in this article. "As users and developers adopt more blockchains and layer-2 networks, liquidity becomes siloed across the ecosystem. Unlocking this fragmented liquidity through wrapped tokens and creating more interoperability is a critical challenge for the ecosystem to solve. Without a solution to this issue, the benefits of permissionless composability are reduced and developers need to start from scratch every time a new ecosystem is bootstrapped.

But how can projects make sure that wrapped tokens remain sufficiently collateralized when connectivity between different blockchains is inherently limited? While ensuring that wrapped tokens are collateralized at all times is critical for a robust cross-chain ecosystem, using centralized intermediaries and manual audits introduces efficiency bottlenecks and centralization risks.

An automated process is required that helps secure the minting and redemption of wrapped tokens and enables Celsius to securely, transparently, and reliably audit reserves so that users can move assets between blockchains and provide cross-chain liquidity."

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