他或她可以去公证，并签署某些相关的文件来保护自己的合法权益。
But if the person doesn't want to be frozen he or she can go to the notary and sign some relevant documents to protect him (her) self.
文件公正可以通过将信息嵌入公共区块链得以公证，人们再也不需要找到公证人来对其担保。
Documents can be notarised by embedding information about them into a public blockchain—and you will no longer need a notary to vouch for them.
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