Crypto Finance goes live with Chainlink Proof of Reserve
25 September 2025 Frankfurt, Zurich, London
Image: cvetikmart/stock.adobe.com
Crypto Finance, an arm of Deutsche Börse Group, has now gone live with Chainlink Proof of Reserve — enabling investors to authenticate the holdings behind exchange traded products (ETP).
As the first user, nxtAssets is enabling on-chain verification of assets held in custody by Crypto Finance for its physically backed ethereum and bitcoin ETPs.
The structure combines three elements: nxtAssets issues and manages the ETPs, Crypto Finance provides regulated custody of the underlying assets, and Chainline delivers secure reserve data on-chain.
Bitcoin and ethereum reserve data will be supplied through Chainlink’s decentralised oracle technology.
This reserve data is orchestrated by Chainlink Runtime Environment (CRE) and published on Arbitrum where it is publicly visible.
Stijn Vander Straeten, CEO of Crypto Finance, says: “Proof of Reserves marks a major step in institutionalising trust and transparency for digital assets.
“With Chainlink’s technology, we can provide investors with verifiable information on reserves while maintaining the highest standards of security and operational integrity.”
Fernando Vazquez, president of banking and capital markets at Chainlink Labs, adds: "Transparency in digital asset markets requires more than periodic reporting, it requires continuously verifiable data.
“By integrating Chainlink Proof of Reserve, Crypto Finance is demonstrating how regulated custodians can provide investors with assurances that every product is asset-backed. This live application establishes a new benchmark for trust and accountability in the global ETP market starting with two of nxtAsset’s ETPs with more to come."
As the first user, nxtAssets is enabling on-chain verification of assets held in custody by Crypto Finance for its physically backed ethereum and bitcoin ETPs.
The structure combines three elements: nxtAssets issues and manages the ETPs, Crypto Finance provides regulated custody of the underlying assets, and Chainline delivers secure reserve data on-chain.
Bitcoin and ethereum reserve data will be supplied through Chainlink’s decentralised oracle technology.
This reserve data is orchestrated by Chainlink Runtime Environment (CRE) and published on Arbitrum where it is publicly visible.
Stijn Vander Straeten, CEO of Crypto Finance, says: “Proof of Reserves marks a major step in institutionalising trust and transparency for digital assets.
“With Chainlink’s technology, we can provide investors with verifiable information on reserves while maintaining the highest standards of security and operational integrity.”
Fernando Vazquez, president of banking and capital markets at Chainlink Labs, adds: "Transparency in digital asset markets requires more than periodic reporting, it requires continuously verifiable data.
“By integrating Chainlink Proof of Reserve, Crypto Finance is demonstrating how regulated custodians can provide investors with assurances that every product is asset-backed. This live application establishes a new benchmark for trust and accountability in the global ETP market starting with two of nxtAsset’s ETPs with more to come."
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