剛開始進入Virtual currency的世界，錢包的使用似乎對很多用戶來說一頭霧水，操作有些複雜，本文中將向您介紹通過Seed word、Private key、和密鑰文件來保護錢包虛擬資產的安全。
市面上大多數的虛擬貨幣錢包，在創建帳號後，除了錢包地址，您還將獲得一串大小寫字母數字組合的Private key；一組由 12 或 24 個英文英文單字組成的助記詞；以及自動生成的密鑰文件，這三種備份、恢復錢包數據的方式。
Touchain 已經將 DID 和自有公鏈打通，註冊 Touchain 帳號後，由一個 DID 體系管理雲儲存、錢包、區塊鏈生態平臺等模塊。且自動創建比特幣和以太坊兩個錢包地址。所以，生成的助記詞和密鑰文件事關虛擬資產安全，請及時進行備份。（目前主流錢包為Metamask，以下教學使用Metamask做為範例）
What is seed words?
Seed Words is a wallet phrase used to manage multi-chain wallets. You can view the wallet address using only a set of seed phrases. If you lose your wallet, you can also enter the backup See Words And the password to restore the synchronization data again.
As shown below, it is a mnemonic template of a set of 12 English words:
“ bleak version runway tell
hour unfold donkey tie
digital abuse glide please ”
The 12 English words of the seed are randomly extracted from a database of 2048 English words, and they are difficult to decipher. In this case, the order and spelling of English words are crucial.
Why should I backup my seed words?
助記詞對於查看您的錢包地址是必需的，基本上，您可以任意選擇一種方式，就能夠查看錢包地址數據，非常方便。但是，在有人掌握您的助記詞以及登入密碼時，爲其提供對資產的完全訪問權限，助記詞和密碼都存在着潛在風險。出於這個原因，Touchain App 使用導出密鑰文件的方式進行錢包的備份和恢復，與助記詞共同輔助登錄，這裏需要注意的是 json 文件的儲存位置和儲存方式！
What is private key?
The private key is a password string that allows the use of passwords. This is as important as the PIN to your bank account.
但是，私鑰比借記卡 / 信用卡上的任何 PIN 都要長且複雜得多，以確保安全性。在銀行中，您實際上需要卡本身才能進行提款，而Virtual currency的帳號可以從任何智慧型手機電子錢包。因此，私鑰應儘可能複雜，以爲您的資金提供最高的安全性。
這是一個比特幣私鑰的範本：
” 1EHNa6Q4Jz2uvNExL497mE43ikXhwF6kZm “
The private key serves as the signature of the wallet and is used to receive and send digital currency. It will also provide you with a public address containing transaction history.
The security level of the private key is the same as the seed phrase, and they are all private keys that are not virtual. Each letter and number in the private key is associated with the English word in the seed , so each group of seed can be converted into a sequence of numbers, and then the private key is generated for the wallet. In other words, it can be calculated from the seed The private key string.
What is the keystore file?
The keystore file is a virtual json format file. Even if the file is opened, it will only display a long string and will not see any information related to the account. There is no regularity in the arrangement of the text, it is very difficult to try to write down all the characters, and it must be decrypted with the Touchain App, which provides a double guarantee for the security of the user’s assets.
The correct way to store seed words
You must be back up and store key files and seed in time to avoid forgetting.
If you use a paper wallet, you need to consider many potential threats, such as water, fire or even sunlight, not to mention the chance of losing it. Therefore, many users choose to plasticize the paper to minimize the physical impact. In order to ensure that the seed phrase is properly backed up, it is recommended to use the re-verification method to verify whether the phrase is recorded correctly.
當從物理上保護免受潛在威脅時，仍然存在一些資料外洩的風險。在當今的數字化和萬物互聯中，您應該始終注意在鍵入或寫下短語時被記錄的風險，使用可靠的 APP 或瀏覽器，不時更新軟件和更改密碼來提高公共場所的安全性。
建議將密鑰和助記詞保持不與網路連線狀態，放在硬體錢包中保存，使用專門保護隱私安全的硬體錢包錢包，不連網的Cold wallet。碳承數據悉心研發的智能硬體錢包產品 Touchain Alpha 可使冷熱錢包切換，安全性升級。
Deprecated method of storing seed words
Do not store your private key in the cloud drive or email to prevent hacker attacks in today's digital world.
Either way, it is vital to the safety of virtual assets. It is an authorized signature for using wallets and managing virtual assets. As long as you keep them properly, no one can control your virtual assets. Now you know how to store the money key file and mnemonic, download Metamask to try Right~
View the seed phrase (wallet phrase) process
Metamask
Step 1. Open metamask and press the menu in the upper left corner
Click the three lines in the upper left corner to pull out the menu.
Step 2. Click settings
Click settings to enter the next.
Step 3. Click on Security and Privacy
Enter the second option "Security and Privacy" page.
Step 4. Click display the seed words
Click "Reveal Secret Recovery Phrase" to view Metamask's wallet seed phrase.
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