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Rehypothecation Meaning

Rehypothecation is the practice where a bank or broker uses the assets pledged as collateral by their clients for their own investment or lending purposes. For example, if you deposit 1 BTC to get a loan from a centralized crypto lender, that lender might "re-lend" your BTC to a hedge fund to earn extra interest.

While common in traditional finance, it is a point of major contention in the crypto world.This practice creates a Chain of Claims on the same asset. If the hedge fund fails and cannot return the BTC to the lender, the lender may not be able to return the BTC to you, even though you have paid off your loan.

This "leverage" can boost market liquidity, but it also creates systemic risk. If a major player fails, it can trigger a "Liquidity Crunch" where everyone tries to withdraw their assets at once, only to find the assets are currently inaccessible.The collapse of firms like Celsius and FTX was largely due to excessive and hidden rehypothecation.

This has led to a push for "Proof of Reserves" (PoR), where exchanges use cryptography to prove they actually hold 100% of user assets. In DeFi, rehypothecation is transparent; you can see exactly where your collateral is at all times on the blockchain, which is why many users are moving away from centralized "black box" lenders.

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