Block.io vs. Electrum-LTC vs. GreenAddress vs. Luno Comparison Chart

The world's easiest Bitcoin Wallet as a Service. At Block.io we're building simple API calls for anything you could need to do on the Blockchain. Supporting multiple currencies and programming languages, we're making it easy to get started building your Bitcoin app. We provide wallet hosting, in addition to customized support for your crypto business. Don't spend months trying to figure out where to begin, start with Block.io and be up in a day. Conveniently manage your bitcoin, dogecoin, and litecoin in one place. Everything happens through the blockchains. You sign all of your transactions — no one else can transact for you. 99.99%+ uptime and an average response time of only 80 ms. Build apps with as little as 3 lines of code. Our Basic Multi-Signature addresses by default require two signatures for all withdrawals: yours, and Block.io's. This method provides exponentially higher security for your Wallets and applications than single-signature addresses.

The safer Bitcoin wallet that puts you in control. Protect your bitcoins with both your key and ours, set spending limits, rate limit transactions and always be the only one in control. You can easily login in 'watch-only mode' via custom login without compromising security or privacy. We don't make you choose between security and convenience. And we don't compromise your privacy. Our per-transaction two factor authentication, multi-signature and deterministic wallet allow you unprecedented control over your transactions. And, we never store your private keys, not even encrypted. At the same time we make it trivial to view and transfer your funds. Take control of your future now, at GreenAddress. Safely check your balance and transactions from public Wi-Fi, Starbucks and on the go. With our unique watch-only mode you can quickly check your balance or receive funds without full access to your wallet.