It requires significant more investment in money and time. Reddit user doesnât have recovery seed and is forced to perform trezor firmware update I have another set of plates in a separate geographical area, in a trusted location, should I completely lose access to my main location. com Kickstarter for titanium plates onto which you stamp the BIP39 word numeric identifier. They are laser-cut from 3mm stainless steel or any other thickness available on lasergist. Why I donât trust myself to use a passphrase on Trezor This means keeping your recovery seed plates out of sight is extremely important. org , Glacier protocol description This is a method for ultra-secure storage of bitcoin, potentially more secure than hardware wallets. They have cool videos showing the punching or engraving technique Simple Metal plate Order a simple stainless steel or titanium plate from Ebay and punch it.
Blockplate Blockplate Stainless steel plate which uses an innovative method to store the recovery seed onto a grid, without needing a letter punch kit, only a single basic punch. This is the passphrase that you will stamp onto a plate of metal to preserve it for decades to come. I donât trust myself to remember this password 10 years down the line other electronic currencies. Whether for use with a software wallet, or a hardware wallet like the Trezor, having the recovery passphrase stamped onto corrosion-proof and fire-proof metal plates minimizes the risk of loss of private keys. With this redundant approach, the only risk Iâm exposed to is theft of the plates by someone motivated enough (and knowledgeable enough) to extract the funds. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. It also increases the weight of the whole assembly (close to 1kg with 3x 3mm plates) which helps prevent accidental misplacement.
Piece of Paper You could just write your seed on a piece of paper, but a piece of paper is easy to misplace, accidentally throw away, the ink may fade, flood and fire are a concern. And repeat this every time you duplicate your recovery seed onto a new medium. Technically, the middle plate is the only one required and has laser markings indicating passphrase word ordering.RaiBlocks.. You can see letter punching in action on this video, although with our plates we will punch the full BIP39 words using letters, not numbers: ColdTI Punching Video. It should never be typed onto a desktop computer / smartphone as those environments are vulnerable to hacking by malware other electronic currencies. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. .