as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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what u.s. banks offer two-factor authentication (such as password & token) for online banking?
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e*trade offers banking services, and will provide you with a security token free if you have sufficient assets there ($50,000). otherwise they'll charge you a $25 fee.
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