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I can only download wallet via the google play store?
That's right. Now implemented mobile wallet for Android. In the first quarter there will be a mobile wallet for IOS. There is also a ready-made voting application for windows and mac
https://boscoin.io/congress-voting/, where you can create and activate a new wallet, but use it only for voting. To send boscoin need to use a WEB wallet,
wallet.bitcoin.ioI heard about this wallet for the first can you share link of source to let know is that safe to use this wallet or not? Or probably there is typo mistake you want to mention official web wallet.