Crafty Cobra

Alpha 3

Security



Samourai respects industry accepted standards and is always looking for new ways to enhance the security of your wallet.

Features
  • 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



Samourai has a deep rooted commitment to the belief in the importance of transactional privacy and strive to create the most private bitcoin wallet.

Features
  • 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.

  • Heterogeneous Input Script Transactions

    Samourai is the first to implement BIP 126: guidelines which minimize the uncontrolled disclosure of personally identifiable information by defining standard forms for transactions containing heterogenous input scripts.BIP 126

  • 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.

Send Bitcoin



Samourai constantly is tweaking our sending algorithms to provide you the most private sending possible.

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. Local currency exchange rates provided by localbitcoins, btc-e, or bitfinex

  • Smart Miner Fees

    Samourai offers three different miner fee profiles:
    Use Normalfor an estimated confirmation time of 30 minutes
    Use Priorityfor confirmation in the next 0-1 blocks
    Use Lowfor an estimated confirmation time of 60 minutes.

  • Block Chain Obfuscation

    Samourai allows you to toggle transaction obfuscation on or off for each send. When turned on transactions conform to BIP 126, and will attempt to simulate a coinjoin transaction.

Payment Channels



Payment channels are a brand new way to privately send and receive bitcoin without sharing addresses or losing privacy.

learn more


Features
  • Send bitcoin with just a tap

    Once you have opened a payment channel simply tap on the channel label to send bitcoin. No address needed.

  • Receive bitcoin seamlessly

    Anyone who has added your payment code can send bitcoin to you without needing to know your address. No need to worry about address reuse or sharing too much information.

  • Strict compliance with BIP 47 Spec

    Samourai is the first wallet to implement BIP 47 and have open sourced the code to encourage other wallet developers to implement this exciting technology.

Ricochet Send



Ricochet is a Samourai exclusive premium transaction type that helps improve fungibility and frustrate blockchain spies

learn more


Features
  • Reduce risk of 3rd party account closures

    Ricochet is designed to stump the blockchain spies that provide blacklists to bitcoin banks and exchanges that they use to freeze funds and suspend accounts.

  • Promote Bitcoin Fungibility

    Ricochet promotes fungibility in Bitcoin by actively working to disrupt the way blockchain spies attempt to create lists of "clean" and "dirty" coins. All coins are equal.

  • Strict compliance with BIP 47 Spec

    Samourai is the first wallet to implement BIP 47 and have open sourced the code to encourage other wallet developers to implement this exciting technology.

Stealth Mode & Remote Commands



To remotely retrieve your wallet seed for backup/restore. Send an SMS to your phone with the following message

SW seed YOUR_PIN_CODE

You will receive the HEX seed of your wallet in response which you can use to restore access to your bitcoin.




To remotely wipe your wallet send an SMS to your phone with the following message

SW wipe YOUR_PIN_CODE

You will receive confirmation that the wallet has been securely wiped from the device.




If your phone is stolen and the thief has switched the SIM Card you can still initiate remote commands. With Sim Switch Defence enabled Samourai will send your registered trusted number an SMS as soon as the SIM card is changed on your stolen phone. You can now send a remote wipe command to the new number




While in Stealth Mode Samourai will not appear on your phone home screen, app list, launcher, or recent apps. To open your wallet once it is in Stealth Mode you must dial a special code.

**YOUR_PIN_CODE#

If the code has been entered correctly Samourai Wallet will launch

My Samourai, my way.



Customize your wallet to your liking and take it with you anywhere you go.

Features
  • 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