Billfodl: Stainless Steel Crypto Wallet Private Key & Seed Words Storage?

Billfodl claims to be “the safest way to hodl” your cryptocurrencies. Find out how it protects your private keys today in our review.

What Is Billfodl?

Billfodl, found online at, is a new hardware wallet that promises to protect your private keys.

It’s a mnemonic cryptocurrency cold storage wallet priced at around $80. Key features of the wallet include the fact that its fireproof, corrosion-resistant, acid-resistant, and virtually uncrushable. The wallet also operates entirely offline.

Billfodl doesn’t contain any fancy hardware or software. Instead, this is simply a stainless steel plate with stainless steel letters. It doesn’t connect to any online or offline depository. There isn’t even a QR code. It’s just a piece of indestructible material that lets you encode your 12 or 24 word passphrase, allowing you to recover your cryptocurrency funds at any point in the future.

Billfodl Stainless Steel Crypto Wallet Features

Billfodl comes with a container that allows you to display up to 96 characters. You also get stainless steel letter tiles.

You can encode up to 24 words on Billfodl. As you may know, you don’t need to entirely enter your seed words: BIP39 encryption is designed so that only the first 4 letters of each word are relevant in your mnemonic catchphrase. Billfodl is double-sided with 24 slots of 4 letters each, which means you can store both 12 word and 24 word phrases along with any other 96 character keys or passwords.

There’s no QR code. It’s just a straight-up, physical, cold storage wallet unconnected to anything on the internet. No third party can access the owner’s personal data.

As mentioned above, Billfodl is built to be virtually indestructible. The device is fireproof up to 1200 degrees Ceslisus (2100 F). It’s also acid-resistant, uncrushable, and indestructible. Plus, it’s lightweight and made from stainless steel. And did I mention it can withstand a million volts of electricity? That means Billfodl is protected against solar spots, a nuclear strike, and a microwave bomb, among most other things.

Billfodl is also waterproof. It’s made specifically from marine-grade 316 stainless steel, which means it’s protected against water-related threats like corrosive saltwater.

“It’s so good,” explains the official website, “Your data would be safe at the bottom of the ocean floor.”

The Billfodl website also features a testimony from a man who lost $1 million in cryptocurrency during Hurricane Harvey. That man had placed his seed phrase on a piece of paper in a safe. That safe was 4.5 feet off the ground. During Hurricane Harvey, water levels rose 6.5 feet. He lost everything.

Billfodl supports bitcoin and all cryptocurrencies. No special software or hardware tools are necessary. Everything you need to encode your seed with Billfodl comes in the kit.

How Billfodl Private Key & Seed Words Storage Works

Billfodl works in a different way than conventional crypto wallets like Trezor and Ledger. These major crypto wallets use a system of seed words to back up your private keys. That means if your physical wallet or phone gets destroyed, then you can enter this 12 or 24 word phrase to recover your funds entirely.

Most people store their seed words on a piece of paper. Some people keep it in an obvious spot – like your desk or in a filing cabinet. That storage location isn’t very safe: if there’s a fire or a flood, then your phone, your hardware wallet, and your piece of paper with the seed words on it will be destroyed. At this point, you’ll be totally unable to access your cryptocurrency funds.

In other words, with conventional bitcoin storage systems, a single natural disaster can wipe out your entire savings.

The official Billfodl website also mentions issues like discarding: someone might find a piece of paper with 12 or 24 words on it, not understand the significance, and then throw it out. You don’t realize you need your seed until your wallet gets destroyed. At this point, it’s too late to recover your funds.

Billfodl aims to work in a different way by offering a fireproof, indestructible way to store your private keys.

Billfodl Pricing

Billfodl is priced at $79.95 USD from the online store.

You can also purchase additional items like “The Fodl Hodler”, a wall-mounted storage device that allows you to discretely hide and store your Billfodl for $19.95.

There’s also “The Hodler’s Bundle”, which contains 1 Billfodl, 1 sticker sheet, and 1 Fodl Hodler for $95.95.

Billfodl Conclusion

Billfodl is a unique device that’s like chiseling your seed phrase into stone. The physical device lets you enter a 12 or 24 word phrase (96 letters maximum in total) in order to recover your funds. The device itself is fireproof, waterproof, and shockproof. It’s made from stainless steel and claims to be totally indestructible.

If you protect your cryptocurrency fortune with a piece of paper stored in a vulnerable location, then you’re exposing yourself to enormous risk. With Billfodl, you can give yourself valuable peace of mind for $80. You can shop online at today.

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