YDWallet

YDWallet is a simple cryptocurrency wallet, which allows you to store and use cryptocurrency directly on your device. Currently the app supports Ethereum and Ethereum-based (ERC20) tokens. We plan to add support for more (eg Bitcoin) in the future. ** App Features ** YDWallet lets you easily store and transfer cryptocurrency. - Send and receive cryptocurrency - Send to nearby users - Send to address by scanning a QR code - Create QR code and links for others to scan to send cryptocurrency to you - Sync encrypted accounts between your devices via iCloud - Create your own cryptocurrency or token with our automatic ERC20 smart contract generator - Backup the private keys of your accounts - See an estimation of your cryptocurrency's value in US$ ** Ethereum Features ** - Create new Ethereum accounts with their own receive address - Monitor Ethereum addresses and transactions - Transactions are signed offline directly on your device Signed transactions are sent to the Ethereum network via proxy servers, so you don't need the full blockchain on your device. ** ERC20 Features ** ERC20 tokens are cryptocurrencies which run on top of the Ethereum network. You can create an account to hold any ERC20 token, either by selecting from our list of top tokens, or by scanning or entering the Contract Address of the token. YDWallet will also automatically detect any incoming tokens to your Ethereum account. YDWallet also allows you to create your own ERC20 token or currency, with either a fixed initial supply of tokens, or with a flexible supply that allows you to generate more coins whenever you want. ** Security Features ** All account private keys are stored in your device's Keychain and synced between your devices with iCloud. All transactions are signed offline on your device directly before being sent to the network. For extra security, you can lock your accounts with a password you choose. All transactions are created and signed directly on the device, no third-party servers see your private keys Signed transaction data is distributed via blockchain proxy servers to prevent needing the full blockchain on your device ** Caution ** Storing large amounts of cryptocurrency is best done with an offline cold storage wallet.