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ChainCatcher reported that Argentine cryptocurrency platform Lemon Cash confirmed on December 4 that due to its external analytics service provider Mixpanel being hacked on November 9, some users' names and email addresses were leaked. Lemon Cash emphasized that the platform's own systems were not attacked, and sensitive information such as users' private keys, mnemonic phrases, funds, and account balances were not affected. The company has sent emails to affected users, warning them to be cautious of potential phishing attacks. Notably, OpenAI is also a Mixpanel client and has terminated its partnership with the service provider following this incident.

ChainCatcher News, Delphi Digital posted on X that the Federal Reserve's reverse repurchase agreement (RRP) balance has dropped from a peak of over $2 trillion to almost zero, meaning its liquidity buffer has been depleted. In 2023, the scale of RRP was sufficient to buffer the Treasury General Account (TGA) replenishment by absorbing Treasury issuance, thus avoiding the depletion of bank reserves. As the RRP balance bottoms out, this buffer no longer exists. Any future Treasury issuance or TGA rebuilding will have to directly consume bank reserves. The Federal Reserve faces two choices: allow reserves to decline and risk another spike in repo rates, or directly expand its balance sheet to provide liquidity. Given the situation in 2019, the second option is more likely. This means the Fed will shift from withdrawing liquidity to injecting liquidity back into the market, marking a significant change from the past two years. With the end of quantitative tightening (QT) and the imminent reduction of the TGA, marginal liquidity has turned net positive for the first time since early 2022. A key resistance in the cryptocurrency market may be fading.