The Bank for International Settlements (BIS) has issued a stark warning: cryptocurrency exchanges are increasingly operating as "shadow banks." These platforms offer bank-like services, including lending and high-yield "earn" products, but critically, they lack the regulatory safeguards and deposit insurance found in traditional finance.
A report by the BIS highlights that what appears to be a high-yield savings product is, in essence, an unsecured loan to a lightly regulated entity. The largest crypto participants have transformed from simple trading venues into "multifunction cryptoasset intermediaries," consolidating services typically spread across banks, brokers, and exchanges.
The rapid growth of these "earn" and yield products, marketed to retail users for passive income, is a primary concern. The report emphasizes that their structure more closely resembles unsecured lending than traditional savings. These platforms effectively take customer funds, repurpose them for risky activities, and distribute profits without the stability mechanisms of regulated banking.
Users often cede control and ownership of their digital assets to these intermediaries. While returns are shared profits, these arrangements are unsecured claims on the platform. The BIS cites the collapses of Celsius Network and FTX as cautionary examples of the systemic weaknesses and user exposure inherent in such lightly regulated environments.
The report noted that past market events, like the flash crash of October 2025 which caused billions in forced liquidations, demonstrate how quickly these unregulated dynamics can destabilize markets.