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Cole 🇿🇦

@ColeTU • 7,735 subscribers

I help people secure and understand bitcoin. ⚡ Latest video on YouTube: https://t.co/cU7wSGEayz

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In this video, I send bitcoin to a compromised Coldcard mk3 to see how fast the funds are wiped. I created 5 wallets: 1. Standard Seed Phrase using the insecure RNG. 2. The same seed phrase with 3 different passphrases (1 word, 2 words, 3 words) 3. The same compromised seed phrase but with random account number.

In this video, I send bitcoin to a compromised Coldcard mk3 to see how fast the funds are wiped. I created 5 wallets: 1. Standard Seed Phrase using the insecure RNG. 2. The same seed phrase with 3 different passphrases (1 word, 2 words, 3 words) 3. The same compromised seed phrase but with random account number.

776,902 Aufrufe • vor 1 Monat

HOW TO VERIFY DICE ROLLS ON COLDCARD AND SEEDSIGNER - Coldcard vulnerability explained: move your funds ASAP if you did not use dice rolls - How to create a seed with dice on coldcard, seedsigner - How to verify that the seed matches online tool: - Remember to roll NEW dice and create a NEW seed after testing - Some general dice rolling advice and tips

HOW TO VERIFY DICE ROLLS ON COLDCARD AND SEEDSIGNER - Coldcard vulnerability explained: move your funds ASAP if you did not use dice rolls - How to create a seed with dice on coldcard, seedsigner - How to verify that the seed matches online tool: - Remember to roll NEW dice and create a NEW seed after testing - Some general dice rolling advice and tips

42,730 Aufrufe • vor 1 Monat

Coldcard MK3 emergency broadcast: here is what we know and my thoughts. If you store funds on a Coldcard MK3, you need to move them as soon as possible. We will learn more over the next few days. This is still developing.

Coldcard MK3 emergency broadcast: here is what we know and my thoughts. If you store funds on a Coldcard MK3, you need to move them as soon as possible. We will learn more over the next few days. This is still developing.

42,487 Aufrufe • vor 1 Monat

How to build a Casa multi-signature vault with two hardware wallets. - Setup 2 hardware wallets from scratch (preferably, different vendors) - Build a Casa vault using 3 keys - How to receive and send Bitcoin - Optionally: How to export wallet to Sparrow Wallet

How to build a Casa multi-signature vault with two hardware wallets. - Setup 2 hardware wallets from scratch (preferably, different vendors) - Build a Casa vault using 3 keys - How to receive and send Bitcoin - Optionally: How to export wallet to Sparrow Wallet

22,613 Aufrufe • vor 21 Tagen

In this video, I send bitcoin to a compromised Coldcard mk4 seed to see when the funds get wiped. This is just a standard seed phrase - no passphrase or random account number. Will share address below.

In this video, I send bitcoin to a compromised Coldcard mk4 seed to see when the funds get wiped. This is just a standard seed phrase - no passphrase or random account number. Will share address below.

29,083 Aufrufe • vor 1 Monat

I have added NEW PASSPHRASES to a compromised Coldcard mk3 seed for testing. Whats new? - Added passphrases to an empty seed phrase - Added alphanumerical, bip39, and EFF long list passphrases with a range of 35.7 - 51.7 bits Full breakdown in video below.

I have added NEW PASSPHRASES to a compromised Coldcard mk3 seed for testing. Whats new? - Added passphrases to an empty seed phrase - Added alphanumerical, bip39, and EFF long list passphrases with a range of 35.7 - 51.7 bits Full breakdown in video below.

17,083 Aufrufe • vor 25 Tagen

My #1 reason for Running a Bitcoin Node: I connect my wallets to my own node instead of someone else's - so I'm not trusting a third party to tell me the truth, and I'm not handing them my transaction data either.

My #1 reason for Running a Bitcoin Node: I connect my wallets to my own node instead of someone else's - so I'm not trusting a third party to tell me the truth, and I'm not handing them my transaction data either.

47,071 Aufrufe • vor 3 Monaten

Why run a #Bitcoin node?

Why run a #Bitcoin node?

69,930 Aufrufe • vor 6 Monaten

South Africa’s new regulations are an attack on Bitcoin. You must declare your holdings, get permission to use your crypto, and hand over your private keys on demand. Here’s everything you need to know - and how to fight back.

South Africa’s new regulations are an attack on Bitcoin. You must declare your holdings, get permission to use your crypto, and hand over your private keys on demand. Here’s everything you need to know - and how to fight back.

40,045 Aufrufe • vor 4 Monaten

How secure are 24 words? (#Bitcoin seed phrases)

How secure are 24 words? (#Bitcoin seed phrases)

147,347 Aufrufe • vor 2 Jahren

Why I stopped using Ledger Hardware Wallets.

Why I stopped using Ledger Hardware Wallets.

16,438 Aufrufe • vor 3 Monaten

Is your time worth #bitcoin or fiat?

Is your time worth #bitcoin or fiat?

57,356 Aufrufe • vor 3 Jahren

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