Based on the paper of BIS Paper No 117, which of the following is correct about the impact of digital innovation on key economic frictions?
A. The advances in connectivity and online search reduce search and switching costs for consumers.
B. The digital innovation helps reduce the transaction costs, information asymmetry, and market gaps.
C. Digital innovation enables customization to construct a more complete market.
D. Fintech helps provide customized financial services and eliminate completely certain risks (such as credit, liquidity, market, and operational risks).