微信明明有密码,为什么超市“扫码枪”能直接扫走钱?
推荐回答(4个)
在超时付款的时候,大家有两种付款方式选择一种是扫超市的收款码,这种是出示自己的付款码,然后让超市的扫码枪扫描,但是扫码枪扫自己的这个付款码的时候,钱自动就会出去,不需要自己去支付密码。这是一种免密支付,因为这是微信支付移动平台本身的特性,在出示付款码的时候默认就是知道这个付款的情况的。![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2Ffaedab64034f78f02a9ba8616b310a55b2191c8b%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
我们在给超市扫钱的时候主动的用扫一扫去扫,这个时候是需要输入密码的,因为这个是可以实现远程的动态收款的,比如说大家并不在这个超市,然后别人拍了一张这个收款码的照片,这是可以长期使用的呀。所以大家扫了这个码之后,在几百公里甚至说上千公里之外的地方也可以付款,这个时候必然就要经过个人同意,所以就要输入支付密码。但是出示这个付款码的时候,就是默认大家知道付款这个情况,不然你不会出示自己的付款码。![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2F024f78f0f736afc3a69c0df7a119ebc4b645128b%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
这是种免密支付的手段,在钱比较少的时候是可以自动扫出去的,钱特别多的时候也还是要个人去输入密码,甚至说钱多到一定程度,要个人验证手机号码,收到一个验证码,这个钱才能出去。所以说这个免密支付它仅仅是小额支付,比如说在超市买了些饮料买了些吃的,几十块钱扫码枪,一扫着钱就能出去,而且这个付款码它本身是会变化的,并不是静态的,隔一段时间就会自己变。![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2Faec379310a55b3190969b0e751a98226cefc178b%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
还是建议大家保护好自己的付款码,因为请你不要出示这个东西,我们不知道旁边会有什么样的人,这个付款码被别人扫到的时候,也完全可以把这个钱扫出去。所以尽可能的不要出示,这个东西用扫一扫付钱付多少钱由自己选择,然后输入支付密码是表示经过各自允许的,自然就不存在扫码枪直接就能扫走的这个情况,也避免相应的争议发生。
微信明明有密码,超市“扫码枪”却能直接扫走钱,这是因为我们同意了使用付款码支付的服务,这是微信、商家和用户之间的三方协议, 我们授权了这些平台的支付所以就可以直接扫走钱了。一般授权的金额有的是在100元内或1000元的额度这样子,如果多的话就需要身份验证了。
因为手机付款码已经跳过了,手机的支付密码,扫码枪是授权的,可以免支付密码。这样在扫的时候只要出示付款码就直接可以付款了
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