巴西收紧反欺诈规则，向自托管钱包转账需等待 24 小时
新规将于 2027 年 1 月 1 日生效，涵盖包括法币支撑稳定币在内的加密货币。
Brazil to tighten crypto fraud controls with new 24-hour wait on transfers to self-custody wallets
The new rule will take effect on Jan. 1, 2027, and will cover cryptocurrencies including fiat-backed stablecoins.