【Nubit Founder: The Root Cause of BTCFi Issues Lies in the Lack of Security Assurance from the Bitcoin Mainnet】Golden Finance reports that Nubit founder Yu Feng tweeted that many protocols in the current BTCFi ecosystem are faking locked assets through offline pre-signed transactions. This method does not truly lock Bitcoin on the mainnet, but rather creates a false impression of being 'locked up.' Users can submit multiple pre-signed transactions with the same UTXO, allowing multiple protocols to count it as TVL, but in reality, this Bitcoin is not truly locked anywhere. This operation leads to a false inflation of TVL and serious trust issues. The Nubit founder proposed two solutions: first, to truly put transactions on-chain by locking funds through Bitcoin script addresses; second, to design zero-knowledge proofs to make the locking process both transparent and secure, avoiding double-spending risks.

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