US prosecutors aim to prevent Binance founder Changpeng Zhao (CZ) from leaving the US before his February 2024 sentencing due to concerns about flight risk. Grayscale has updated its Bitcoin ETF filing with the SEC, indicating ongoing discussions and potential progress toward ETF approval. A Bitcoin user accidentally paid a $3.1 million transaction fee for a relatively small BTC transfer, underscoring the importance of understanding cryptocurrency transaction fees. South Korea's central bank, the Bank of Korea (BOK), plans to launch a CBDC pilot in late 2024, inviting citizens to test digital currency for payments. The Swiss city of Lugano has integrated Polygon's PoS protocol into its crypto payment app, MyLugano, enhancing its digital currency adoption efforts.