Ted Lee — Freedom Through Knowledge

Gather ordinary six-sided dice, the lidded mixing box, paper and pencil, and either your SeedSigner or offline computer. Work away from windows, cameras, phones, smart speakers and other people.

• Disconnect Ethernet and disable Wi-Fi and Bluetooth on the computer
• Prefer battery power for the SeedSigner; do not connect it to a computer
• Cover or remove cameras that can see the work area
• Decide before starting: 12 words (50 rolls) or 24 words (99 rolls)

Place the ordinary D6 dice in the box, but remove the SeedSigner first. Close the lid securely. Shake, rotate and turn the box upside down many times, then set it down flat and open it without disturbing the dice.

• Read the dice in one consistent order, such as top-to-bottom and left-to-right
• Record every result exactly; never replace a result you do not like
• If a die is cocked or unreadable, define your reroll rule in advance and apply it consistently

Write each result as a digit from 1 through 6, in order. Repeat the mixing process until you have 50 rolls for 12 words or 99 rolls for 24 words, following the count displayed by SeedSigner.

Using many dice at once is fine—the important points are thorough mixing, a consistent reading order and an accurate sequence. Double-check the count before entering it.

On the air-gapped SeedSigner, choose the seed-generation option for dice rolls, select 12 or 24 words, and enter the D6 results in their exact order. SeedSigner converts the entropy and displays a valid BIP39 phrase with the checksum already included.

Carefully copy every word and its position. Confirm the final count and spelling before moving on. Keep the camera pointed away from the written seed except when a trusted workflow specifically requires it.

For stronger isolation, first obtain the official standalone Ian Coleman BIP39 release and verify it before moving it to the offline computer. Open the saved HTML file locally, select dice entropy, enter the complete D6 sequence, and let the tool generate the 12- or 24-word phrase with its checksum.

Important: the project also has a live webpage, but merely loading it and then unplugging the network is weaker than using a verified standalone copy on a computer kept offline. Never type real dice entropy or a valuable seed into the live online page.

On a dedicated offline computer, open Sparrow Wallet and start a new wallet. Choose Software Wallet → Mnemonic Words (BIP39), select 12 or 24 words, and enter the phrase in order. Sparrow will display “Valid checksum” when the words and order form a valid BIP39 mnemonic.

For checksum checking only, stop before creating or saving the wallet. Never enter a valuable seed into Sparrow on your normal internet-connected computer. A valid checksum detects many typing or ordering errors, but it does not prove that the seed was generated secretly or randomly.

Transfer the final 12 or 24 words to a durable backup. Metal is more resistant than paper to fire, water and decay. Then restore the seed in a controlled offline test and compare the wallet fingerprint or several receive addresses before sending meaningful funds.

• Stamp or engrave the words in numbered order
• Store the backup in a secure, private location
• Consider a second backup stored in a geographically separate location
• Never photograph, email, scan or upload the seed
• Destroy the temporary dice-roll notes only after recovery is verified