什么是数字货币钱包助记词？很多用过钱包(任何数字货币的钱包)的用户都知道，在使用钱包之前，会让你备份12个单词，这12个单词就是你在登录钱包时的唯一凭证!而在备份期间钱包是不允许截图操作，一般情况下，我们建议最好用物理方式备份，备份时身边不要有任何人。
What are digital money wallets? Many users of wallets (all digital money wallets) know that, before they are used, you will have 12 words backed up, which are the only documents you can have when you log in your wallets.
但尽管我们一直强调助记词很重要，助记词不能丢，但对于普通用户来说，如果只是一味的向他们强调助记词重要性的结论，而不告诉背后的原因的话，是很难调动起人的底层动力的，也很有可能过几天就忘了助记词的重要性。
But while we have always stressed the importance of the word and the importance of the word not to be lost, it is difficult for ordinary users to mobilize the bottom-line momentum and, in a few days'time, to forget the importance of the word if they simply conclude that the word is important to them without telling the reasons behind it.
助记词是什么?
What's the word for it?
助记词是明文私钥的另一种表现形式，目的是简化复杂的私钥，有助于用户更好的记忆。助记词一般由12、15、18、21个单词构成，这些单词都取自一个固定词库，其生成顺序也是按照一定算法而来。
Helpwords are another expression of an explicit private key, designed to simplify complex private keys and help users to better remember. The helpwords are typically made up of 12, 15, 18, 21 words that are taken from a fixed vocabulary and are generated in a certain number of algorithms.
如果有人得到了你的助记词，就可以轻而易举地取走你的资产。所以在备份助记词之后，一定要注意三点:
If someone gets your notes, you can easily take your assets. So, after back-up notes, three things must be noted:
1、尽可能采用物理介质的备份，例如用笔抄在纸上等，谨慎使用截屏或拍照。最好不要放在联网的设备里，以防被黑客窃取;
If possible, use a backup of the physical medium, e.g. a pen on the paper, and use the screen or photograph carefully.
2、反复验证备份助记词的正确性，抄错一两个单词，可能造成巨大的损失;
2. Repeated verification of the correctness of the back-up assistive words, with one or two misreading words, which could result in significant losses;
3、妥善保管备份后的助记词，防火防盗防丢失!
3. Secure back-up notes, fire protection against theft and loss!
助记词的英文是Mnemonic，在大部分人的印象中，助记词=私钥，是导入钱包的工具，其实准确的说，助记词≥私钥，那么，助记词到底是从何而来，助记词到底有什么用呢?
The English word is Mnemonic. In most people's impression, the word = private key is a tool for importing wallets. To be precise, the word — private key — then where does the word come from, and what is the use of the word?
举个较为生活化的例子，银行开户存钱，相信大家都不陌生。通常来说，我们存在银行的钱都会有很多账户，而每个账户可能对应的用途是不尽相同的。而在办理这些账户时，我们只需要一个身份证就能够办理，万一银行卡不慎丢失了，也可以通过身份证进行补办。所以在现实生活中，我们知道，身份证是无比重要的!
To give a more living example, banks open their accounts and trust that they are no stranger to each other. Usually, we have a lot of accounts in our banks, and each account may not be used for the same purpose. And when we do these accounts, we just need an ID card to do it, in case the bank card is lost accidentally, or it can be replaced by one. So in real life, we know that the ID card is more important than anything else.
在数字货币当中，需要的是一样的道理。众所周知，在区块链世界里，只要保留了私钥，就能解锁账户，但是通常来说私钥是由64位的很长的字符串组成，如果我们想要创建多个账户，那我们就要记不止一个的私钥，记录和保存成本是非常大的;而在记录海量的私钥的过程中，可能还会出现诸多你想象得到或者无法想象的问题。
In digital money, the same thing is needed. It is well known that in the block chain world, accounts can be unlocked as long as private keys are kept, but usually the private keys are made up of 64-digit long strings. If we want to create multiple accounts, we have to keep more than one private key, recording and saving costs are very high; and there may be a lot of questions that you can imagine or can't imagine in recording the private keys of the sea.
例如：地址和私钥匹配不上，或者记录时粗心大意写错字母的问题，等等。由于数字货币这种“只认私钥不认人”的特点，这些小的错误很可能导致资产无法找回。
For example, the address does not match the private key, or the problem of miswritten letters while recording is careless. Because of digital currency, which is a “private key-only” feature, these minor errors are likely to result in the asset being unrecoverable.
为了解决上述问题，Bip39协议诞生!
To solve the above-mentioned problems, the Bip39 agreement was born!
Bip39协议的全称是Bitcoin protocol，最初是由比特币社区的开发者提出，后来被其他的主流区块链项目所认可，继而成为了整个行业共识和规范。BIP39协议的核心是，由12个单词来确定自己的账户，12个单词会生成很大的种子，从2的256次方选出一个数，由于随机生成的数是很大的，所以完全不用担心生成的12个单词会重复。
The full name of the Bip39 agreement is Bitcoin Protocol, originally proposed by the developers of the Bitcoin community, later endorsed by other mainstream block chain projects, and then became industry consensus and norm. At the heart of the BIP39 agreement is that 12 words determine their accounts, 12 words generate large seeds, one number is selected from 2 256 parties, and there is no fear that the 12 words generated will be repeated, given the large number of randomly generated.
12个单词生成的账户是固定的，拿到的12个单词就可以创建无数多的私钥、公钥和地址。并且，BIP39协议几乎是支持所有公链的。这就是助记词的原型!
The accounts generated by 12 words are fixed, and the 12 words obtained create numerous private keys, public keys, and addresses. And the BIP39 agreement is almost supportive of all public chains. This is the prototype of the word.
有了助记词之后，任何一笔交易，我们都可以创建一个新的账户，账户里面的钱也可以进行自由转移。在区块链世界，只需要记住12个简单的助记词，就间接记住了所有区块链上的资产，就如同现实生活中的身份证一样便捷、高效，大大减轻了普通用户的使用成本，可以这么说，BIP39协议大大的推动了区块链的普及。
With a word for word, we can create a new account, and the money in the account can be transferred freely. In the block chain world, it is only 12 simple notes that indirectly remember the assets on the block chain, which is as easy and efficient as a real-life identity card, greatly reducing the cost of use for ordinary users, so that the BIP39 agreement greatly boosts the spread of the block chain.
看到这里，可能也会有用户说：“这英文单词我也记不住啊!”俗话说，好记性不如烂笔头，脑子记不住，那就用笔记下来。要是您说我也不想用笔记，那我只能说，区块链与您无缘，施主，找个好人嫁了吧!
When I see it here, I may also find users who say, "I can't remember the English word!" They say, "It's not as bad as a pen, it's hard to remember, so take notes." If you say I don't want notes, then I can only say that the chain of blocks is out of your league.
当然，任何事物都有两面性，助记词虽然带来了许多便利，但是，也诞生了另外的安全隐患，那就是一旦12个单词泄露，或者被黑客获取，助记词是未经加密的私钥，任何人得到了你的助记词，可以不费吹灰之力的夺走你的资产控制权。所以前面說了在备份时身边不要有任何人，自个儿偷偷记着去!
Of course, there are two sides to everything, and while there are many conveniences, there are other security risks that arise, namely, once 12 words are leaked, or are captured by hackers, who are unencrypted private keys, anyone who gets your notes, can take control of your assets without any effort. So what I said earlier is that there should be no one around back-ups, and keep them secret.
好了，太技术性的不说，说了可能大家不一定都能懂。最后总结下几个建议：
Well, it's too technical to say that maybe you don't all know it. Let's conclude with a few recommendations:
1、还是那句：助记词就是你数字世界的命根，打死都不能告诉别人。
One, or the other: the word is the lifeblood of your digital world, and you can't tell anyone.
2、一定要多次验证备份的助记词是否正确，来回多对照几遍，不要怕麻烦，一旦抄错一两个字母(还要注意字母的大小写，输入时记得每个单词之间空一个空格)那是哭爹喊娘也无用!
2. It is important to verify the correctness of the backup assistive words several times over and over again, without fear of trouble, and once one or two letters have been misstated (it is also important to note the size of the letters and to remember that there is a blank space between words when they are entered) it is useless to cry and shout!
3、用物理方式进行备份，备份好了之后，务必妥善保管，如果不怕黑客入侵，也可用任何可联网设备存储，最安全的就是你自己的大脑(也不一定，万一忘了!)
3. Make a physical backup, and when it's done, keep it safe. If you're not afraid of hacking, you can store it with any networkable devices. The safest thing is your own brain (and not necessarily, if you forget!)
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