Samourai Wallet Wallet Website

They claim to be a modern bitcoin wallet hand forged to keep your transactions private, your identity masked, and your funds secure.

Security

• Military Grade Encryption - Samourai is encrypted on the phone using AES-256 encryption. 
• Strong Default Protection with BIP 44 and BIP 39 - Samourai enforces a BIP 39 passphrase on wallet creation, hardening the security of your wallet right out of the gate.
• Secure PIN Login - Use a 5-8 digit PIN to access your wallet. PIN screen is randomized on every load to thwart screen recording spyware.
• You control your private keys - Private keys are created and stored on your device and are never communicated with any server or anyone.
• Certificate Pinning - Protects HTTPS websites from impersonation using fraudulent certificates issued by compromised certificate authorities.

Privacy

• No address reuse - Samourai never reuses addresses, never leaking valuable metadata about you and your purchase habits.
• Randomized change outputs - Samourai is the only wallet to randomize the number of change outputs for each send, making gathering wallet address metadata more difficult.
• Deterministic inputs/outputs positioning - Samourai positions the inputs/outputs of each transaction deterministically after a send, decreasing the effectiveness of block chain snooping
• Avoid linking previous change outputs - Samourai parses all previous transactions before building a new transaction to make sure it isn't leaking valuable metadata about your and your wallet
• Tor and VPN Support - Samourai is enabled with Tor and VPN support allowing you the ability to route all transactions through an anonymous IP address.

Extra Features

• Bitcoin Network Health Monitoring - Samourai actively monitors the condition of Bitcoin Network alerting you when transactions may confirm slower and informing you of the current required miner fee for quick transaction confirmation.
• Send in your favorite currency - Instant currency conversion makes it easier to send Bitcoin.
• Smart Miner Fees - Samourai offers three different miner fee profiles: Auto to use our smart fee detection algorithm, Priority during times of network stress to ensure quick confirmations, Custom to set a fee of your own choice.
• Block Chain Obfuscation - Samourai offers three different presets that provide varying levels of obfuscations: Simple to send a basic HD transaction with no added obfuscation, Samourai Send to send a transaction that uses decoy change addresses, CoinJoin Simulation to send a transaction that is indistinguishable from a CoinJoin transaction on the block chain.
• Export your wallet anywhere, anytime - You may export your wallet to any Bitcoin wallet than follows BIP 39,44 specifications.
• Restore any HD wallet - You may restore an existing HD wallet from any wallet provider with or without a BIP 39 passphrase
• Choose your fiat currency - View transactions and make sends in your local fiat currency.
• Choose your favorite Bitcoin unit - BTC, mBTC, bits, It is up to you
• Choose your favorite Block Explorer - Most popular block explorers are available to view transactions on the web

There is a discussion here about the way Samourai works: https://www.reddit.com/r/Bitcoin/comments/447s7c/samourai_is_the_most_private_and_anonymous

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