In recent cryptocurrency and blockchain news, traders are betting on the outcome of the SEC's decision on Bitcoin ETFs, showing the speculative nature of the crypto market. The Bank of Spain is piloting its own CBDC, indicating growing institutional interest in digital currencies. CertiK, a blockchain security firm, faced a social media hack, underscoring the persistent security challenges in the sector. Meanwhile, Celsius, a crypto lending platform, is liquidating a large amount of Ether amid bankruptcy proceedings, highlighting the financial instability within the crypto lending space.