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Creating a Stowaway Transaction

NOTE: These are temporary steps for power users who wish to help test the bleeding edge of privacy transactions within Samourai Wallet. This functionality is provided without a completed UI. 



Use Stowaway to create a transaction that looks like a "typical" bitcoin transaction but actually is a mini CoinJoin with an obfuscated amount sent on the blockchain. You can only send a Stowaway transaction to the person you are collaborating with, so this is a good transaction to use when sending to your privacy conscious friends who use Samourai Wallet.


Step 1
Open the Send Screen
Step 2
Type "stowaway" in the "To" text field
Step 3
Enter the amount you want to send
(in satoshi)

Step 4
A dialogue box will appear with a text blob. Press "Show QR"
Step 5
Show the QR code to the person you are sending to. Have them scan it with their Samourai Wallet


Step 6
Scan the QR code that the person you are sending to shows you with your Samourai Wallet
Step 7
Repeat scanning QR codes between each other until you receive a dialog with a signed transaction hex. Press Broadcast Transaction to send the transaction.
Step 8
The amount you specified will now be in the wallet of your collaborator.

Step 9
If you review the transaction on the blockchain you will notice that the amount sent doesn't appear on the transaction. (0.00123456 BTC)


Current Limitations

1) only zpub-derived bech32 utxos can be signed (until further notice)

2) can only spend to segwit bech32 addresses (until further notice)

3) enter spend amount in sats (available amount will be displayed at prompt)

4) valid #Cahoots JSON blobs will be recognized by scan. Text entry (paste) can be done via Settings->Transactions->#Cahoots


Alert: For maximum privacy you should only create Stowaway transactions with people you trust. You will be sharing details of some of your UTXOs during the creation of the Stowaway transaction.


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