Spark cosmos web delegation tool，security considerations：
1. Use incognito mode of browser
2. Choose trusted WiFI
3. Input mnemonic manually, clipboard maybe be monitored by other software
4. Try to use hardware wallet-ledger
1.Click "Delegate" on SparkPool cosmos web.
2.Click "Spark Wallet" to enter into next step.
3. Please input your 24 or 12 digits mnemonic to log in your wallet or import your private key directly. (Spark will not store and transfer your private key and mnemonic, please keep them confidential)
4. Please customize your login name and 8-digit password.（For account security, the password will be invalid after closing the browser, so you need to import the mnemonic or private key again.）
5. If you import succeed you will get the info as follows. Click the orange button to delegate your Atoms.
6. Input the number of Atoms that you want to delegate and the Tx fee you want to pay（all need to be integer）, and input the password which you set at step 4, click confirm to delegate.
7. Delegate succeed, click"My wallet" to check your delegation status.