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Market & Data Feeds

Decentralized data feeds for smart contracts

Chainlink Data Feeds provide a secure, reliable, and decentralized source of off-chain data to power unique smart contract use cases for DeFi and beyond.

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Chainlink Data Feeds help secure the smart contract ecosystem with decentralized data

安全可靠的去中心化基础架构

Chainlink Data Feeds由独立的去中心化节点运营商支持，这些节点声誉非常高，并且分散在全世界各个地方，因此具有极高的可靠性。

优质数据源，防止人为操纵

数据来自多个真实的付费API，并聚合成一个可验证的数据点，完全避免了单点失效风险。  

向用户证明智能合约的端到端安全。  

节点运营商具有抗女巫攻击能力，软件经过多轮安全审计，运行了数年，具有非常高的稳健性，因此得以保障数百亿美元的价值。

基于区块链不可篡改的特性充分保障透明性

Easily verifiable and immutable onchain data provides users with the ability to audit any Data Feed in real-time through multiple third-party interfaces. 

高质量且可访问的共享数据源

不断扩张的开源社区，共同开发并赞助Chainlink Data Feeds，为您的混合型智能合约保障长期可用性。

可以兼容任何区块链以及链上智能合约

Chainlink Data Feeds可以兼容任何区块链，因此可以与每条链保持相同的运行速度和成本。

Connect your smart contracts with high-quality Chainlink Data Feeds

Price and market data 

Premium financial market data for cryptocurrencies, commodities, forex, indices, and more, helping secure tens of billions of dollars for DeFi applications.

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通用链下数据

A secure and reliable source of off-chain data for weather events, economic data, business financials, sports outcomes, and much more.

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Supported by the world’s leading data providers

Data Feeds power a wide variety of DeFi use cases

借贷

发布和结算贷款、清算抵押率不足的头寸、触发抵押品互换以及防止违约。

镜像资产

Generate mirrored versions of real-world and onchain assets using onchain collateral and Price Feeds as the reference point for minting and redemption.

稳定币

使用金融市场数据判断稳定币的抵押率、自动铸造/销毁稳定币并触发rebase功能

资产管理

自动管理资金池，接入Price Feeds查看余额，标记流通到市场的资金。

期权和期货

Power advanced financial instruments and help ensure platform solvency by dynamically setting your funding rate and settling agreements. ​

Explore more DeFi use cases

Explore Chainlink Data Feeds products

NFT Floor Prices

Unlock DeFi utility for NFTs by integrating tamper-proof floor price data surrounding Web3’s leading NFT collections.

View NFT floor prices

Reference Prices

Access highly secure and decentralized price data for an extensive list of cryptocurrencies, real-world commodities, forex pairs, and more.

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Rates Products

Enable risk and valuation calculations by utilizing rate-of-return products built to help you understand the economy and cost of capital.

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储备金证明

Get definitive onchain proof of any asset’s true collateralization through automated audits based on cryptographic truth.

View Proof of Reserve feeds

Chainlink Data Feeds ensure highly reliable market data

涵盖所有数据类型的通用链下数据
1

首先，付费数据提供商会从多个中心化和去中心化的交易所聚合原始喂价，然后会根据时间、交易量和异常数据进行调整。

2

然后，独立的Chainlink节点会从多个付费数据提供商获取市场喂价，并聚合成单一数据点。

3

最后，多个Chainlink节点会将它们各自的数据在链下聚合，生成防篡改的预言机报告，并发送给智能合约。 

Extensive monitoring of your smart contract data feeds

Numerous tools built with the help of the Chainlink ecosystem provide full visibility into data feeds and the teams participating in them.

Market.link DashboardChainlink Data Price Feeds
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与专家交流

将智能合约接入通用的链下数据

参数型保险

Aid communities in both developed and emerging regions through parametric insurance, immediately settled using Weather Data Feeds.

动态体育NFT

Generate dynamic NFTs that track the performance of individual players or teams using Sports Data Feeds and evolve over time accordingly.

预测市场

用户可以预测全球所有体育比赛、天气或政治活动的结果，并可以立刻结算。

可预测的供应链

全球各国企业可以根据天气数据调整供应链，以减少摩擦、降低成本并保障可预测性。

Explore all use cases
喂价和市场数据

Chainlink’s high-quality, tamper-proof Data Feeds provide access to critical and widely used datasets, such as cryptocurrency prices, commodity market data, and more.

集成Data Feeds
节点运营商

查看具有抗女巫攻击能力的独立节点运营商、他们提供的数据以及性能指标。Chainlink拥有最大规模且最优质的节点运营商。

查看节点运营商
数据提供商

直接接入数据提供商的Chainlink节点，为智能合约应用输入定制化的数据，比如体育比赛结果、天气数据以及房地产价格等。

搜索数据提供商
连接至任何API

Connect your smart contract application to any API via Chainlink’s request and response model, facilitating interoperability between onchain and off-chain systems.

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