Source: Cointelegraph.com NewsRetail investors are flocking to buy Filecoin on exchanges with predominately Chinese user bases and the head of the PBOC thinks the digital yuan has an uphill battle to take on Alipay and WeChat Pay.Read MoreFilecoin, FIL, Huobi, OKEx, Gate, Beijing, Polkadot, NFT, Digital Currency Research Institute, People’s Bank of China, digital yuan, Alipay, WeChat Pay