【SIM卡调包攻击猖獗，致加密资产损失近5000万美元】金色财经报道，据FBI统计，2023年SIM卡调包（SIM swap）攻击超千起，致损失近5000万美元。诈骗者冒充机主骗运营商换卡，拦截短信验证码盗取加密钱包资金。典型案例包括Iterative Capital联合创始人Brandon Buchanan被骗走价值45万美元比特币。 专家建议用APP验证器替代短信二次验证，高风险用户应专设二次验证手机号，并用不同邮箱注册各服务。机构可采用多签钱包及区块链风控工具（如Crystal Intelligence）实时监控交易并拦截异常，降低资产被盗风险。
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