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MFTV #13: Inside Unchained's Coldcard Emergency Response | with Unchained co-founder & CSO Dhruv Bansal 🔗 YouTube: 🔗 Spotify: Since the Coldcard exploit first was exposed, nearly 9000 bitcoin (>$500M) have been moved out of vulnerable Coldcard multisig wallets through MARA's Slipstream — with the largest majority coming from... clients of the collaborative custody firm Unchained. Unchained co-founder and CSO Dhruv Bansal walks Head of MARA Foundation Isabel Foxen Duke⚡️ through how the response came together — including: •⁠ ⁠why multisig users faced a different risk than single-signature holders •⁠ ⁠⁠how Slipstream’s private mempool shielded vulnerable wallets •⁠ ⁠⁠and how security practices for users and builders will have to change to prevent future exploits TIMESTAMPS: 00:00 — Intro 02:53 — What is Unchained and who was exposed 09:45 — Mempool, RBF, and Slipstream 13:16 — The ongoing race, and multi-vendor multisig 19:28 — The first hour after the exploit 25:25 — Challenging logistics after the exploit 29:45 — Self-custody analysis after the exploit 33:04 — Audits, culture, and the future of Coldcard 37:14 — Why the warnings were missed 41:57 — Security marketing: the "Ferrari with a lawnmower engine”show more

MARA Foundation

1,767 subscribers

14,124 views • 2 months ago •via X (Twitter)

Anya Rossi• Live Now

Private livecam show

6 Comments

Cryptoklepto2 months ago

@andurobtc @unchained @dhruvbansal $MARA investors demand that you start charging a high premium for this service

Isabel Foxen Duke⚡️2 months ago

@unchained @dhruvbansal Amazing chat - thanks a million to @dhruvbansal and the team at @unchained 💪

Stocks & Prosper2 months ago

Can you retards focus on your stock price and address why management hasn’t bought stock in over four years? How do you have a foundation and charity when you guys don’t earn shareholders money?

CryptoSunDream2 months ago

@unchained @dhruvbansal

Bill2 months ago

@unchained @dhruvbansal Isabel routinely sucking off Fred and Khan for these bullshit interviews.

Crox Road ⚡️ Bitcoin Media Channel2 months ago

@unchained @dhruvbansal I've followed the Coldcard drama closely. What's interesting is that it highlights the trade-off between complexity and security. Coldcard's custom solutions might be vulnerable to exploits, but they also provide unparalleled control for power users.

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Alex Thorn on self-custody: the Coldcard exploit makes the case for multisig, with not one satoshi stolen from a multisig wallet "This is a tough time to be relying on a company for your self custody. I think one of the big lessons has been the primacy and efficacy of multisig if you're self custodying." "Not one Satoshi was stolen in the Coldcard exploit from a multisig wallet. We can see that onchain when you spend coins. You reveal the entire script of the transaction that was holding them." "I think probably, in my opinion, the best option if you're doing self custody is to use multisig. Multiple hardware wallets. You can use collaborative custody like Casa and Unchained and AnchorWatch." "You're getting redundancy by having multiple signing devices rather than by storing a copy of the seed of the device." "You screenshot your 12 word seed or 24 word seed. It's one of the first things that hackers look for if they break into an email account or a computer." "We know all the possible words. They come from a dictionary of 4-BIP39. So it's very easy for them to just search for combinations of those words on your machine and instantly sweep your seed."

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24,795 views • 1 month ago

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17,222 views • 3 months ago

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61,959 views • 2 months ago

You might think Unchained is a bitcoin custodian, but our collaborative multisig vaults let you hold your own self-custody keys for independent control. Here's how it works:

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13,325 views • 1 month ago

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11,658 views • 5 months ago

Following the Coldcard exploit, the question I got most was: How do I actually self-custody my Bitcoin? Swan Sovereign, our guided self-custody service, can help. We launched it to our clients a few weeks ago. Today, it's open to everyone. You keep 100% key control, with a Swan expert by your side, helping along the way. And it includes all the benefits of Swan Private. Visit DM me, or email Cory@swan.com

Following the Coldcard exploit, the question I got most was: How do I actually self-custody my Bitcoin? Swan Sovereign, our guided self-custody service, can help. We launched it to our clients a few weeks ago. Today, it's open to everyone. You keep 100% key control, with a Swan expert by your side, helping along the way. And it includes all the benefits of Swan Private. Visit DM me, or email [email protected]

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26,127 views • 3 months ago