🤔 If Prime Trust was a "qualified custodian," how did they end up losing assets? Here's a look back on why you can't always trust a Trust.

Casa Blog

Smoke and mirrors: Unpacking the sagas of Prime Trust and Fortress Trust

Recent failures highlight the risks of trusting your assets with a third-party custodian.

The world woke up last week to the threat of supply chain attacks after pagers and other devices began exploding in Lebanon. And this is more than a wartime concern. Device integrity is an crucial part of your security model as a bitcoiner. Read more...

Casa Blog

Security Briefing: Can device tampering affect your bitcoin?

An emerging attack vector in an international conflict has implications for bitcoin storage. Learn more in this week's briefing...

You don't have to take self-custody of all your bitcoin — just what you want to keep. In this house, we HODL 🔑

It's such a small chance, right? It can't possibly happen. We hear this all the time in security. People have often thought their bitcoin was safe from custodial failures. Then, FTX happened. Prime Trust. Celsius. The list goes on and on. Today is no different. If you hold an ETF, you're hoping a custodian doesn't fumble the bag. Read why it's worth considering the custodial risk of ETF offerings.

Casa Blog

Security Briefing: Can ETFs get hacked?

A PSA about North Korean hackers has many in the bitcoin community wondering about spot ETFs. Let's dive in...

Many of us see #bitcoin as hard money, but some special bitcoiners see it differently. To them, bitcoin is a $58k stablecoin. Today's offer is for them. 58k gang, we salute you 🫡 Take 10% off Casa Standard with promo code 58KGANG. We respect your commitment to stacking bitcoin at $58k and apparently no other price, and we want to give you a home for all that corn. With Standard, you get a 3-key vault, inheritance, and best-in-class support. It's everything you need to stay a member of the 58k gang for life. Sometimes, number go up. Sometimes, number go down. And sometimes, number just goes. Whatever your number is, we hope it goes to self-custody. Welcome home, 58k gang. Get started here:

Standard | BTC Self-Custody + Inheritance | Casa

Secure your bitcoin in your own battle-tested multisig vault. Take self-custody of your BTC with an inheritance plan, and HODL your assets in cold ...

Offer expires Sept. 18 at 12 a.m. ET and is valid for new memberships only.

Secure your $58k BTC like it's $580k BTC.

Have you locked down your phone number? Casa can help. SIM swaps are a huge security hole for bitcoiners. Millions in assets have been stolen over the years, but you can take action now. Casa delivers security for bitcoiners, and we’ve partnered with Efani to help you take control. First, what’s a SIM swap? It’s a sneaky tactic where a hacker can trick your carrier, hijack your phone number, bypass your 2FA, and drain your important accounts including exchanges. Efani prevents unauthorized SIM swaps, keeping your phone number secure even if a hacker tries to swap it. Their 11-layer client authentication protocol and mandatory 14-day cooling off period deliver comprehensive protection against unauthorized port requests 💪 Now, Casa members can lock down their phone numbers and enjoy a discount on their Efani membership (woo, save some bitcoin! 🥳). Enjoy the peace of mind of making your mobile security as robust as your Casa vault. Read more here:

Casa Blog

Protect your bitcoin from SIM swaps with Efani: A Casa partner spotlight

Have you locked down your phone number? Casa has partnered with Efani to help you keep your bitcoin safe from SIM swap attacks on your securing mob...

For millennia, people have wanted a decentralized way to protect their wealth and themselves. Today, we have self-custody with multiple keys. @lift explains why this is a big deal. Hear the rest here:

If you can hold the key to your #Nostr account, you can hold the keys to your #bitcoin. No more excuses 😂

Did you know you can use a YubiKey to secure all of the following? - Your Apple ID - Your Gmail account - Your Proton account - Your exchange account - Your bitcoin That's one device for your digital life, now with self-custody through Casa. Simple, smooth, secure 🔑 Learn more here:

Casa Blog

Cool keys: Exploring the security model for bitcoin and YubiKeys

YubiKeys are more than a new form of hardware. They reduce the complexity previously associated with multisig while maintaining the protection you ...

What would happen if Casa got removed from the App Store? You can use Sovereign Recovery, but you can also turn off app deletion on iOS devices. Here's how: Settings > Screen Time > Content & Privacy Restrictions > iTunes & App Store Purchases > Deleting Apps > Don't Allow We recommend doing this in advance. Read more about Sovereign Recovery here:

Sovereign Recovery for bitcoin vaults via Electrum

Sovereign Recovery is what we call the ability to create a transaction outside of the Casa app using open-source, third-party tools.

A banker is headed to jail for operating a fractional reserve, but not the kind you might expect. Heartland Tri-State Bank was a Kansas community bank with around $139 million in assets. Then it went poof 💸 Learn how in this week's briefing...

Casa Blog

Security Briefing: How to break a bank

A banker is headed to jail for operating a fractional reserve, but not the kind you might expect. Learn more in this week's briefing...

What's cooler than securing bitcoin with a YubiKey? Getting a YubiKey for free 😎 We're hosting a special giveaway TODAY ONLY. Sign up for Casa Standard in the next 24 hours and get a YubiKey for free 🤯 Enter promo code COOLKEYS to claim. See below for details. 👉 Sign up here:

Casa App

Casa is the leading provider of Bitcoin self custody solutions. The ultimate blend of security, privacy, and control.

After signup, the Casa team will follow up via email to get you your YubiKey. *Offer expires Thursday, 8/22 at 10 a.m. ET. Valid for new memberships only.

Friends don't let friends leave bitcoin on exchanges.

There’s now an easier way to take self-custody of your bitcoin, and we announced it at Bitcoin 2024. Didn’t catch it live? Hear @@lift discuss our latest hardware integration and how it came to be.

Have you secured your own strategic reserve, anon?

What if there was an easier way to sign #bitcoin transactions? It’s finally here. Casa just unlocked an easy way to secure bitcoin: #YubiKey. These devices combine next-level security with smooth tap signing. It’s self-custody simplified. Learn about the breakthrough making waves at #Bitcoin2024 below.

Casa Blog

New: Secure your bitcoin with a YubiKey

Casa just announced a breakthrough for bitcoin security: for the first time ever, you can secure your bitcoin keys with a YubiKey.

If you don't believe our announcement at #Bitcoin2024 will be a game-changer for self-custody, that's okay. We have two days to try to convince you. Don't miss it. 👉 Friday, July 26 | 10:20 a.m. CST | Nakamoto Stage

Withdraw to self-custody so your #bitcoin can be unburdened by what has been.

There are many ways to hold keys — there's only one Casa. And it's about to get even better. Come find out how we're transforming self-custody with our #Bitcoin2024 announcement. Friday, July 26 | 10 a.m. CST | Nakamoto Stage