With Bither wallet running on cold or hot mode, you can use Bitcoin as simple as cash or credit card.

Bither Cold Wallet
Features:
1. Cold wallet running on offline mode (Backup phone).
2. Private keys are protected by digital password.
3. Realtime monitoring the network status (Wifi, 3G, BlueTooth).
4. Security check for private keys.
5. Sign the hot wallet's unsigned transactions.
6. Automatically backup and recovery.

Bither Hot Wallet
Features:
1. Hot wallet running on online mode (Daily phone).
2. You can easily monitor your Bitcoin savings with Watch Only mode.
3. You can prepare unsigned transaction for Watch Only address.
4. Hot wallet also supports private keys, you can save some pocket money in this kind of addresses.
5. Decentralized and P2P (peer to peer) Bitcoin wallet, no registration or login needed.
6. Realtime price of major Bitcoin Exchanges.
7. System notification for new transactions.

Open source project : https://github.com/bither/bither-android
Bitherj : https://github.com/bither/bitherj

----[ Bither ]----
bitcoin wallet btc bither blockchain decentralized p2p mobile pay satoshi nakamoto cold hot wallet online offline