• Chainlink Labs listed 3 oracle services on AWS Marketplace on April 24, 2026, targeting blockchain tokenization.
• AWS architect Simon Goldberg outlined 2 reference architectures bridging Amazon cloud services with Ethereum smart contracts.
• Chainlink Proof of Reserve automates stablecoin attestation, reducing DeFi protocol exposure to undercollateralization risk.

AWS Blockchain Specialist Simon Goldberg announced the April 24 launch in a post on the AWS blog, outlining how the integration addresses what developers call the oracle problem, a technical barrier that prevents blockchain networks from natively accessing external data sources or APIs.

The three services now available are Chainlink Data Feeds, Chainlink Data Streams, and Chainlink Proof of Reserve. Each targets a distinct layer of the tokenization stack that financial institutions are actively building on top of cloud infrastructure.

Chainlink Data Feeds deliver decentralized price and market data aggregated from multiple independent node operators. Financial institutions can use the feeds for asset valuation, settlement processing, and risk management, according to Goldberg.

Chainlink Data Streams handle high-frequency data delivery for onchain systems that need to respond to market movements in real time. Use cases include perpetual futures and options markets that require fast, precise data to settle positions or trigger risk controls.

Chainlink Proof of Reserve gives decentralized finance (DeFi) protocols and stablecoin issuers verifiable onchain attestations confirming that assets are fully backed. The service lets institutions demonstrate reserve transparency and automate token minting without exposing sensitive internal data publicly.

Goldberg described two reference architectures in the announcement. The first routes reserve data through Amazon API Gateway and AWS Lambda, with a Chainlink Runtime Environment workflow generating a signed report and submitting an attested reserve value to an Ethereum smart contract. Amazon DynamoDB stores the raw source data for audit purposes.

The second architecture runs a Data Streams consumer on AWS Fargate, maintaining a persistent connection to Chainlink price feeds. The system verifies cryptographic signatures, evaluates trading rules, and submits signed transactions to a Central Limit Order Book when configured conditions are met. AWS Secrets Manager and AWS Key Management Service store the private keys required for transaction signing.

Goldberg cited unlocking liquidity, reducing settlement times, and creating new asset classes as core motivations driving financial institutions toward tokenization. The AWS Marketplace listing gives those institutions a procurement path that stays inside existing cloud workflows.

Chainlink’s Decentralized Oracle Network also supports cross-chain token transfers, compliance policy automation, and workflow orchestration across both onchain and offchain systems, functions that go beyond price data delivery.

Developers can access the three services directly through the AWS Marketplace. The Chainlink Labs team is available for use-case consultations, and a reference implementation for the Proof of Reserve architecture is published in the AWS samples repository on Github.

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