Note: If you want to set up a cold wallet in 2.0, please follow this article
Ready for work:
- Two phones without root or you think it’s safe.
- Installed the newest version at token.im/download, google play or App store.
- One of phone open airplane mode as cold wallet,keep it offline always because it's saved your privacy key. Watch wallet
If you want to use cold wallet in imToken version 1.3.5,you should watch the wallet at first.
note:one of phone connected network as hot wallet to watch cold wallet,the other one keep offline for Authorized signature.
Step1 Hot wallet:click “import wallet” -> choose watch wallet ->click “scan button” on upper-right corner ,scan wallet address QR code from step2
Step2 Cold wallet:choose the wallet you want to be watched
Step3 Hot wallet:scan step2’s cold wallet->click“import wallet”->generate QR code for “Authorized signature”
Step4 Cold wallet:scan step3’s QR wallet->click “next”->input password->generate “successful signature” QR code
Step5 Hot wallet:click “next”button->click “scan ”button->scan signature QR code from cold wallet generated in step4
Cold wallet transaction signature
Let’s use offline signature function to transfer ETH:
Step1 Hot wallet:choose one watch wallet that is the same with cold wallet->go to ETH transaction page,input all the transfer information,click “next” button->generate QR code
Step2 Cold wallet:scan step1’s QR code from hot wallet->click”sign”->input password->generate “successful signature” QR code
Step3 Hot wallet: click”next”button->click”scan”button,then scan “successful signature” QR code from cold wallet generate in step2->click “sending transaction” button
- There is saved privacy key in cold wallet phone, so keep it safe and complete backup carefully
- Keep cold wallet offline
- Watch wallet can’t finish transaction without “offline signature” from cold wallet