wallet not secure, coz wallet dont have offline wallet..
mirror powerhash to mine another coin..
You are totally wrong. WebDollar is an open source project on GitHub written from scratch. You can check our source code. https://github.com/WebDollar/Node-WebDollar/commits/master
Your wallet is offline. It is stored ONLY in your Browser and you can encrypt it using AES-192b. We don't store any wallets on any website including webdollar.io We use a technology called IndexedDB which enables us to store the wallet locally on your machine. If you format your hard drive, then you will lose your wallet too (just like in Bitcoin).
In order to understand this disruptive technology that works behind WebDollar, please kindly review our white paper
http://webdollar.io/public/doc/WebDollar-White-Paper.pdf2nd. We did not held any ICO, any pre-sale, we don't have any shady company in Gibraltar or so on. WebDollar is an open source project, just like Bitcoin.
3rd. There is also a beta Android App that stores in your mobile phone directly using IndexedDB. Somebody also developed an iOS App, but Apple doesn't want to approve it...