What would you like to do? Thumbnail sketch: Two-factor (Yubikey or Google Authenticator) protected wallets Computer. Shared-secret authenticator (Yubikey/Google Authenticator/etc). Server (possibly shared with millions of other users). Motivating use case setup: User creates a split (2-of-2 multisig) wallet on the computer and server.

By Ha Le This app is only available on the App Store for iOS devices. Description Real-time cryptocurrency alert, price reminder, filter, and news compilation for more than 1000 altcoins, Bitcoin, tokens for crypto investors – Real-time coin price alerts sent to your phone every hour – Price shown as red badge on icon

Get via App Store Read this post in our app! Which Two-factor authentication methods are available at which exchanges? I see that Mt. Gox now supports the Google Authenticator app (on Android, iOS – iPhone, iPad, iPod Touch, and on Blackberry) for 2-factor authentication (in addition to support for Yubikey, of course).

Bitcoin is by far the most popular unregulated, decentralized cryptocurrency. Since the genesis block was mined, the number of bitcoin users has been rising at a rather exponential rate. While bitcoin’s public ledger offers high levels of transparency, it does not directly reveal the real-world identity of either the senders or receivers of bitcoin transactions.

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