--- title: Putting the Web3 in banking: Solving the oracle problem... description: DZ Bank and Google Cloud developed a solution to the oracle problem in enterprise blockchain systems, enabling secure delivery of external data to smart... canonical: https://daily.dev/posts/putting-the-web3-in-banking-solving-the-oracle-problem-for-enterprise-blockchain-3zozyftzw twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Putting the Web3 in banking: Solving the oracle problem for enterprise blockchain | daily.dev og:description: DZ Bank and Google Cloud developed a solution to the oracle problem in enterprise blockchain systems, enabling secure delivery of external data to smart... og:url: https://daily.dev/posts/putting-the-web3-in-banking-solving-the-oracle-problem-for-enterprise-blockchain-3zozyftzw og:image: https://api.daily.dev/og/posts/3ZozyFtZW.png og:image:alt: Putting the Web3 in banking: Solving the oracle problem for enterprise blockchain og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Putting the Web3 in banking: Solving the oracle problem for enterprise blockchain **[Google Cloud](https://daily.dev/sources/gcp)** · 8 min read · 1 upvotes · 0 comments ## Summary DZ Bank and Google Cloud developed a solution to the oracle problem in enterprise blockchain systems, enabling secure delivery of external data to smart contracts. The architecture addresses data integrity challenges through multiple security layers including Confidential Space for trusted execution, Binary Authorization for supply chain security, and TLS for transport protection. Demonstrated through Smart Derivative Contracts that automate OTC derivatives settlement, the solution provides a blueprint for trustworthy data feeds in production blockchain systems, particularly for financial institutions requiring deterministic, tamper-proof external data integration. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#blockchain](https://daily.dev/tags/blockchain), [#fintech](https://daily.dev/tags/fintech), [#gcp](https://daily.dev/tags/gcp), [#security](https://daily.dev/tags/security), [#web3](https://daily.dev/tags/web3) [View this post on daily.dev](https://daily.dev/posts/putting-the-web3-in-banking-solving-the-oracle-problem-for-enterprise-blockchain-3zozyftzw) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Putting the Web3 in banking: Solving the oracle problem for enterprise blockchain","url":"https://daily.dev/posts/putting-the-web3-in-banking-solving-the-oracle-problem-for-enterprise-blockchain-3zozyftzw","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/putting-the-web3-in-banking-solving-the-oracle-problem-for-enterprise-blockchain-3zozyftzw"},"datePublished":"2025-10-02T04:33:32.006Z","dateModified":"2026-03-15T03:48:19.711Z","description":"DZ Bank and Google Cloud developed a solution to the oracle problem in enterprise blockchain systems, enabling secure delivery of external data to smart...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e9d2a214d64df8d269286a448ff9d454?_a=AQAEulh","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e9d2a214d64df8d269286a448ff9d454?_a=AQAEulh","isAccessibleForFree":true,"articleSection":"Google Cloud","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Google Cloud","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/gcp","url":"https://daily.dev/sources/gcp"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/putting-the-web3-in-banking-solving-the-oracle-problem-for-enterprise-blockchain-3zozyftzw","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"blockchain,fintech,gcp,security,web3","timeRequired":"PT8M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Google Cloud","item":"https://daily.dev/sources/gcp"},{"@type":"ListItem","position":3,"name":"Putting the Web3 in banking: Solving the oracle problem for enterprise blockchain"}]} ```