WuBlockchain Weekly: Fed Chair Front-Runner Tied to Coinbase, Spain Proposes 47% Crypto Tax, South Africa Flags Stablecoin Risks, China Mining Resurges, Upbit Hacked, S&P Downgrades USDT, Vitalik on Privacy, High-Inflation Nations Accelerate Crypto Adoption, Hong Kong Sees Major Industry Donations and More https://t.co/gom17g0U9t ...