Wrapped Bitcoin Risks: Why Institutions Focus on Rehypothecation
Peter Zhang Sep 15, 2026 15:20 Wrapped BTC products like cirBTC face scrutiny over rehypothecation risks and reserve transparency. Learn why institutions care about segregated collateral. Wrapped Bitcoin (WBTC) products, which allow Bitcoin (BTC) to be used in decentralized finance (DeFi), have drawn increasing scrutiny from institutional players due to risks surrounding rehypothecation and reserve transparency. Circles newly launched cirBTC aims to address these concerns, positioning itself as a more transparent wrapped BTC option for institutional users. At its core, wrapped BTC transforms native Bitcoin into a tokenized asset that can function in blockchains like Ethereum or lending protocols such as Aave. However, the structure of these products matters greatly, as past market cycles have revealed weaknesses in how reserves are held and disclosed. For example, during periods of market stress, certain wrapped BTC products such as those tied to now-defunct entities like FTX saw redemptions suspended or tokens trade at a discount due to doubts about their backing. Rehypothecation Risks in Wrapped BTC Rehypothecation—the reuse of pledged collateral—is a significant risk factor for wrapped BTC. In traditional finance, this practice is often tightly regulated, requiring disclosure and compensation for the underlying asset holders. In DeFi, rehypothecation has historically lacked such guardrails, creating multiple claims on









