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How do I make a Bitcoin Private Key offline?

Everyone has a right to preserve the fruits of their labor securely in a monetary standard that doesn’t redistribute your wealth.

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In light of the recent controversy surrounding Senator Pocahontas and her proposal to ban the ownership of certain words, I thought I'd create a simple guide on generating a bitcoin private key offline. This way, you can also become a threat to our democracy.


Requirements:

1. Paper

2. Pen or pencil

3. Dice or Coin

4. Calculator

5. Printed out copy of the BIP-0039 protocols word list from GitHub

https://github.com/bitcoin/bips/blob/master/bip-0039/english.txt

6. An analog computer, or hardware wallet.


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Step 1:

A. For a 12 word seed phrase, number your paper 1 through 12, skip a line & number it one through 12 again.

B. Write out “1024, 512, 256, etc…” at the top columns of the paper as shown in the image below:


Step 2:

A. Roll dice (even numbers = 0, odd numbers = 1) or flip your coin (heads = 0, tails = 1)

B. Record your roll on the paper. Begin at the “1” beneath “1024” & continue to roll and record under each column from left to right.


Step 3:

Once you have completed your rolls on the first row take every column where you recorded a “1” & add the number above it, then add the “+1” at the end of the row & write the number.

In the image below 1 was recorded in 512, 128, 64 & 16.

512 + 128 + 64 + 16 + 1 = 721


Step 4:

Continue this process until you get to the final 4 spaces on the paper.

Note: The 12th word to your seed is your “checksum” word. This word must be a mathematically compatible fit with your previous 11 words ensuring your seed can function with the BIP-0039 protocol.


Step 5:

A. Before we can find out the final checksum word we must first translate our binary digits to their corresponding BIP-0039 seed words.

B. Open up the word list & write down the word associated with each number that you wrote down.

Ex. (721 = foam)


Step 6:

Continue step 5 all the way to word 11.


Step 7:

A. To find the final checksum word we must first import our 11 words onto our hardware wallet.

(For this example, I am using a COLDCARD wallet MK4 by Coinkite)

B. Select “Import Existing” on device.


Step 8:

A. Select “12 words” on device.

B. Enter all your words up to word 11.


Step 9:

A. To find your final checksum word, add up your 1s and 0s in your 12th row.

B. Get out your BIP-0039 word list & start at word “801” (the sum of your 7 rolls) for this example.


Step 10:

Your checksum could be any word between 801 & 816 so we will have to guess each one for the 12th word by inputting it on the device until the device confirms that we found a compatible checksum.


Step 11:

When you find your 12th word your device will confirm it’s a fit by applying the private key into a PubKey private key dataset that you can use to sign TX’s with the device, & broadcast to the internet without revealing sensitive data (like private key) through PSBT’s.


The odds of someone else being able to guess your specific private key is 2048^12

You have better odds of picking out a specific atom on earth, than anyone has to crack that key.

Adding a passphrase moves this from the realm of mathematical improbability & into impossibility.

Generating a key completely offline is something all of us must know & teach for maximum security. We can’t trust generating this on any device, or application, etc which all represent potential attack vectors.

Everyone has a right to preserve the fruits of their labor securely in a monetary standard that doesn’t redistribute your wealth.

The state & banking parasites hate Bitcoin because it’s money that they can’t weaponize against you unlike the dollar.


credit: Why Bitcoin Only


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I hope this was helpful!

Thank you for reading!

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