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1/11 A thread on using @COLDCARDwallet & @wasabiwallet #coinjoin & validating with your own Raspi #Bitcoin node. There is no excuse for not flexing your sovereignty & privacy. 5 months ago I didn't even know what CLI was, if I can do this then anyone can.
2/11 Build Wasabi: @wasabiwallet is open source, Tor enabled, & privacy focused. Very user friendly & fun to use. Download an executable or build it from source... like a psychopath.

github.com/zkSNACKs/Walle…
3/11 Import Coldcard: Once you get @wasabiwallet built, generate a new wallet. Securely store your seed phrase & password. Now export your @COLDCARDwallet skeleton wallet file to a MicroSD card so you can import it to Wasabi via sneakernet.
4/11 Build Tx: Use the tx builder to paste the receiving address from the new @wasabiwallet you generated & select which address to spend from your @COLDCARDwallet, enter an amount & adjust your fees. You have to enter an observer too.
5/11 Sign Tx: Now export your tx in a binary PSBT, save it to your MicroSD card, sneakernet it over to your @COLDCARDwallet & sign it.
6/11 Broadcast Tx: Import the signed tx to @wasabiwallet by opening the tx broadcaster and selecting Import. Then hit Broadcast. You can also connect Wasabi to your own node by editing the IP address & port in the configuration file. Wait for your tx to get confirmations.
7/11 Build your own node. If I can figure this stuff out you can too. I don't have a computer science background. But I know enough about loosing money to take self-sovereignty seriously & educate myself.
Here is a page I made for node building.
github.com/sovrasoft/btcn…
8/11 #Coinjoin: Now you should have the #BTC from your @COLDCARDwallet in your @wasabiwallet & available to queue for a Coinjoin tx. It is worth noting the minimums, fees, & wait times. Enter your password, then wait for the register & sign process.
9/11 Take a look: An adversary could see my deposit to @wasabiwallet & my change address back to @COLDCARDwallet. They can see that 0.1 BTC was used as 1 of 114 inputs to a tx with 194 outputs. Many UTXOs have the same balance. I'm not good with math but that's a lot of variables
10/11 Your balance will be in your @wasabiwallet which you can send back to your @COLDCARDwallet or invite a friend to get @SamouraiWallet & do some whirlpooling & a Stowaway tx. With all the social distancing these days it's important to stay connected and mix things up.
11/11 To learn more checkout this great podcast from @stephanlivera speaking with @matt_odell

stephanlivera.com/episode/138/

Or this @TFTC21 instructional video:

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Hodl Full Throttle
@econoalchemist
1/11 For CoinJoin Day, I wanted to try it out. Here is a thread on why Whirlpools are important, what to avoid, & my experience with @SamouraiWallet

This wallet installs like most others, you'll need to write down your mnemonic phrase, set up a pin, ect.
2/11 The @SamouraiWallet mobile app on Android is full of features, easy to use, & functions well. Overall, I really liked the app which I downloaded specifically for the Whirlpool feature. The only issue was connecting my own node, app kept crashing, but it's early access NBD!
3/11 After making your initial deposit into your @SamouraiWallet you can select the Whirlpool icon, Mix UTXOs, & select which UTXOs to mix.
Read 11 tweets
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Hodl Full Throttle
@econoalchemist
1/10 My mom worked her ass off & has little to show for it. She started asking about #bitcoin today. I took her on a tour through @Blockstream & #greenwallet, @COLDCARDwallet & #bluewallet, & signing a PSBT via sneakernet then broadcasting w/my own Raspi4 full node.
2/10 Export the wallet file from the @COLDCARDwallet

1: Select Micro SD Card
2: Select Export Wallet
3: Select #Electrum Wallet
4: Select Native SegWit
3/10 Create a new wallet in #bluewallet (Make sure the CC wallet file is accessible on your phone)

1: Select "+" sign in upper right-hand corner
2: Select Import wallet
3: Select import file instead
4: Your camera will activate, select file symbol in lower right-hand corner
Read 10 tweets
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Chris Jenkins
@econoalchemist
A thread of 10 reasons I like @COLDCARDwallet

#10: Tamper evident - Packaging has unique # that you confirm on device. Clear case to see if components have been modified. LED lights confirm flash memory is unaltered.
#9: Time management - Set a delayed start after your PIN is entered, i.g., user must wait 24 hours after correct PIN is entered before access is granted. You can also set it to shut down after a certain idle time like 1 hour.
#8: Secure PIN - PINs can be 12 digits, split into prefix & suffix. The secure element key & prefix create anti-phishing words using HMAC/SHA256 function where the 22 bit HMAC result is converted into two BIP39 English words.
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