Supplement: After three years, the Internet Finance Association has issued a document announcing a strict crackdown on the crypto space. First time: Crackdown on OTC Ended with arrests of U merchants + frozen accounts. Second time: Clearing out mining farms + blocking token issuance Ended with large-scale mining farm shutdowns and arrests of exchange employees. Third time: Crackdown on NFTs + digital collectibles Ended with the shutdown of multiple digital collectible companies. Fourth time: Crackdown on stablecoins + exchange traffic diversion Unknown.