Deutsche Börse Expands Chainlink Proof of Reserve to Bitcoin Core ETP

What happened

Deutsche Börse's Crypto Finance unit expanded Chainlink's Proof of Reserve standard to publish on-chain reserve data for nxtAssets' Bitcoin Core exchange-traded product. Chainlink announced this on 19 August 2026, with data on the Arbitrum network.

Confirmed

Global impact / market context

This means investors can verify that the Bitcoin backing the product really exists, reducing worry about hidden shortfalls. Such transparency may build trust in crypto exchange-traded products, possibly attracting more cautious investors and supporting Bitcoin's price.

Analyst inference

Exchange-traded products on crypto assets are growing, and trust is key. Using public blockchain data for reserve checks could set a norm, pressuring others to adopt similar checks. This may influence how assets like Bitcoin are valued and traded.

Analyst inference

What to watch

1. Watch whether Deutsche Börse adds more products to Chainlink's Proof of Reserve, which would show expanded use of on-chain data for other crypto assets. Confirmed
2. Investors could monitor if other exchanges adopt similar reserve verification, which might affect competition and pricing in crypto exchange-traded products. Proposed
3. If the proof shows any discrepancy in Bitcoin reserves, it could hurt trust and cause sell-offs, so watch for any such reports. Analyst inference

Affected assets

• LINK — Chainlink
• ARB — Arbitrum
• BTC — Bitcoin

Evidence

• coinpaprika.com