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coldcard

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🚨$70M GONE IN 41 MINUTES - no hack, no phishing, no physical access. Nearly 1,200 COLDCARDS wallets drained. The attacker never touched a device or stole a seed phrase. The reverse-engineered predictable randomness in flawed firmware (Mk2-Mk5, Q) to recreate private keys offline. Pure math, zero contact. This is your reminder: NEVER hold 100% of your stack in one wallet or one brand. Hardware wallets aren't infallible, diversify across devices, use multi-sig, split your cold storage. One flaw = total loss. If you're on affected Coldcard firmware, migrate NOW. Not your keys, not your coins. But also: not your diversification, not your safety.🔐 #bitcoin #BTC #Coldcard
🚨$70M GONE IN 41 MINUTES - no hack, no phishing, no physical access.

Nearly 1,200 COLDCARDS wallets drained. The attacker never touched a device or stole a seed phrase. The reverse-engineered predictable randomness in flawed firmware (Mk2-Mk5, Q) to recreate private keys offline. Pure math, zero contact.

This is your reminder: NEVER hold 100% of your stack in one wallet or one brand. Hardware wallets aren't infallible, diversify across devices, use multi-sig, split your cold storage. One flaw = total loss.

If you're on affected Coldcard firmware, migrate NOW.
Not your keys, not your coins. But also: not your diversification, not your safety.🔐

#bitcoin #BTC #Coldcard
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Bullish
🚨 CZ Calls for Wallet Diversification After $70M Coldcard Exploit 🚨 Binance founder Changpeng Zhao (CZ) is urging crypto users to spread their funds across multiple wallets following a major $70 million security failure impacting Coldcard hardware devices. CZ emphasized that even hardware wallets are not immune to bugs and vulnerabilities. To mitigate risks, he suggests a diversification strategy rather than relying on a single security solution. Key Takeaways: 🔒 Hardware wallets can still have software flaws. 💸 Spreading funds reduces single-point-of-failure risks. 🛡️ Diversification is vital for long-term asset security. So what is actually happened and what we need to do with it? Do not worry, if you are not using Coldcard wallet, you are worry free. The reported COLDCARD vulnerability stems from a critical firmware bug that disabled the hardware random number generator. This flaw allows attackers to replicate recovery seeds generated on affected devices and steal funds. Crucially, a simple firmware update will not secure vulnerable accounts. Affected users must immediately generate an entirely new recovery seed on patched firmware and transfer their BTC to the new address. 🚨 Critical Security Steps Required 1) Update firmware to the latest patched version immediately. 2) Generate a new seed phrase directly on the secure firmware. 3) Transfer all BTC from the compromised setup to the new wallet. 4) Never reuse the old, vulnerable recovery seed phrase. $BTC $ETH $SOL {future}(SOLUSDT) {future}(ETHUSDT) {future}(BTCUSDT) #CryptoSecurity #Coldcard #Web3
🚨 CZ Calls for Wallet Diversification After $70M Coldcard Exploit 🚨

Binance founder Changpeng Zhao (CZ) is urging crypto users to spread their funds across multiple wallets following a major $70 million security failure impacting Coldcard hardware devices.

CZ emphasized that even hardware wallets are not immune to bugs and vulnerabilities. To mitigate risks, he suggests a diversification strategy rather than relying on a single security solution.

Key Takeaways:
🔒 Hardware wallets can still have software flaws.
💸 Spreading funds reduces single-point-of-failure risks.
🛡️ Diversification is vital for long-term asset security.

So what is actually happened and what we need to do with it?

Do not worry, if you are not using Coldcard wallet, you are worry free.

The reported COLDCARD vulnerability stems from a critical firmware bug that disabled the hardware random number generator. This flaw allows attackers to replicate recovery seeds generated on affected devices and steal funds.

Crucially, a simple firmware update will not secure vulnerable accounts. Affected users must immediately generate an entirely new recovery seed on patched firmware and transfer their BTC to the new address.

🚨 Critical Security Steps Required
1) Update firmware to the latest patched version immediately.
2) Generate a new seed phrase directly on the secure firmware.
3) Transfer all BTC from the compromised setup to the new wallet.
4) Never reuse the old, vulnerable recovery seed phrase.

$BTC $ETH $SOL

#CryptoSecurity #Coldcard #Web3
🚨 Cold storage was supposed to mean untouchable. ⚠️ It didn't. $71,000,000+ in BTC — gone. Not phished. Not hacked at the device. Drained from wallets that never left a safe. 💀 Cold. Offline. Untouched. And still emptied. The old belief: hardware wallets are immune because attackers need physical access. The new reality: entropy failed silently, and math did the rest. Coldcard's 2021 firmware bug collapsed seed randomness down to a guessable range. No phishing link. No malware. No device compromise required. The attacker never touched a single wallet. ⏱️ 1,196 addresses. 41 minutes. Over 1,082 BTC swept. Predictability killed more wallets than any hacker ever could. 🔓 The uncomfortable truth: a wallet is only as cold as its randomness. Offline storage protects against network attacks — it does nothing against a flawed random number generator baked in at manufacture. The question isn't whether hardware wallets are safe. The question is whether the entropy generating the seed was ever truly random in the first place. 📌 Recommended action: 1️⃣ Update firmware immediately (Mk3: 4.2.0+, Mk4/Mk5: 5.6.0+, Q: 1.5.0Q+) 2️⃣ Generate a brand-new seed — firmware updates do NOT fix old seeds 3️⃣ Migrate all funds off the old address before touching it again 4️⃣ Where possible, add a dice-rolled passphrase for extra entropy 🔥 Rolling your own dice at setup? Those wallets survived untouched. What does "cold storage" actually protect against, if the randomness behind it was never secure? $BTC #Bitching #Coldcard #CryptoSecurity #DeFi Not financial advice. DYOR.
🚨 Cold storage was supposed to mean untouchable.

⚠️ It didn't.

$71,000,000+ in BTC — gone. Not phished. Not hacked at the device. Drained from wallets that never left a safe.

💀 Cold. Offline. Untouched. And still emptied.

The old belief: hardware wallets are immune because attackers need physical access.

The new reality: entropy failed silently, and math did the rest.

Coldcard's 2021 firmware bug collapsed seed randomness down to a guessable range. No phishing link. No malware. No device compromise required.

The attacker never touched a single wallet.

⏱️ 1,196 addresses.
41 minutes.
Over 1,082 BTC swept.

Predictability killed more wallets than any hacker ever could.

🔓 The uncomfortable truth: a wallet is only as cold as its randomness. Offline storage protects against network attacks — it does nothing against a flawed random number generator baked in at manufacture.

The question isn't whether hardware wallets are safe. The question is whether the entropy generating the seed was ever truly random in the first place.

📌 Recommended action:
1️⃣ Update firmware immediately (Mk3: 4.2.0+, Mk4/Mk5: 5.6.0+, Q: 1.5.0Q+)
2️⃣ Generate a brand-new seed — firmware updates do NOT fix old seeds
3️⃣ Migrate all funds off the old address before touching it again
4️⃣ Where possible, add a dice-rolled passphrase for extra entropy

🔥 Rolling your own dice at setup? Those wallets survived untouched.

What does "cold storage" actually protect against, if the randomness behind it was never secure?

$BTC #Bitching #Coldcard #CryptoSecurity #DeFi
Not financial advice. DYOR.
🚨 LATEST UPDATE 🚨 The scope of the Coldcard wallet security incident has expanded significantly. New analysis from Galaxy Research indicates that approximately 1,082.65 Bitcoin—valued at roughly $70.2 million—was moved through 1,196 different addresses during a brief 41-minute window on July 30. This scale of loss is much higher than earlier estimates of $38 million. The attack followed a specific pattern of identical transaction fees and no change outputs. Coinkite co-founder Rodolfo Novak has acknowledged a firmware bug and released a hotfix, but warned that users with seeds generated on the vulnerable firmware should move their funds to a new seed immediately to ensure safety. 🛡️ This development highlights the critical importance of hardware wallet security and firmware integrity for self-custody. 🔐 How do you manage your seed security? 🧐 #Coldcard #Bitcoin #CryptoSecurity $BTC $SOL $GIGGLE
🚨 LATEST UPDATE 🚨

The scope of the Coldcard wallet security incident has expanded significantly. New analysis from Galaxy Research indicates that approximately 1,082.65 Bitcoin—valued at roughly $70.2 million—was moved through 1,196 different addresses during a brief 41-minute window on July 30.

This scale of loss is much higher than earlier estimates of $38 million. The attack followed a specific pattern of identical transaction fees and no change outputs. Coinkite co-founder Rodolfo Novak has acknowledged a firmware bug and released a hotfix, but warned that users with seeds generated on the vulnerable firmware should move their funds to a new seed immediately to ensure safety. 🛡️

This development highlights the critical importance of hardware wallet security and firmware integrity for self-custody. 🔐

How do you manage your seed security? 🧐

#Coldcard #Bitcoin #CryptoSecurity $BTC

$SOL $GIGGLE
Coldcard firmware flaw losses climb past $70M as 1,082 BTC drained from 1,196 wallets. CZ urges fund splitting; Coinkite issues fixes but old seeds remain at risk. Self-custody shaken hard today. $BTC $ETH $SOL #Crypto #Bitcoin #Coldcard #Security #Hack
Coldcard firmware flaw losses climb past $70M as 1,082 BTC drained from 1,196 wallets. CZ urges fund splitting; Coinkite issues fixes but old seeds remain at risk. Self-custody shaken hard today. $BTC $ETH $SOL #Crypto #Bitcoin #Coldcard #Security #Hack
A critical firmware vulnerability in Coldcard Mk3 hardware wallets (and potentially later models) allowed attackers to exploit weak entropy in seed generation. The exploit drained 1,082 BTC worth around $70 million from 1,196 addresses in just 41 minutes — 30 hours before Coinkite issued a public warning. This marks the third-largest crypto hack of 2026 and has raised fresh concerns over self-custody security, while also adding selling pressure on Bitcoin. Users with affected devices should take immediate precautions. DYOR. #Write2Earn #bitcoin #Coldcard #CryptoSecurity
A critical firmware vulnerability in Coldcard Mk3 hardware wallets (and potentially later models) allowed attackers to exploit weak entropy in seed generation. The exploit drained 1,082 BTC worth around $70 million from 1,196 addresses in just 41 minutes — 30 hours before Coinkite issued a public warning.

This marks the third-largest crypto hack of 2026 and has raised fresh concerns over self-custody security, while also adding selling pressure on Bitcoin. Users with affected devices should take immediate precautions. DYOR.

#Write2Earn

#bitcoin #Coldcard #CryptoSecurity
🚨 Security Alert Galaxy Research reports that a vulnerability in Coldcard hardware wallets has led to the loss of over 1,000 BTC, totaling approximately $70 million, across nearly 1,200 drained addresses. #Security #Coldcard ‎
🚨 Security Alert

Galaxy Research reports that a vulnerability in Coldcard hardware wallets has led to the loss of over 1,000 BTC, totaling approximately $70 million, across nearly 1,200 drained addresses.

#Security #Coldcard
Security Alert for Crypto Users Reports claim that a flaw in Coldcard hardware wallet randomness may have led to the theft of 594 BTC (about $38 million) from around 500 wallets. ⚠️ If confirmed, this would highlight how critical secure seed phrase generation is for hardware wallets. Key takeaway: • Always keep your wallet firmware updated. • Buy hardware wallets only from official sources. • Verify security advisories before taking action. • Never share your seed phrase with anyone. Stay informed, stay secure. 🔒 #Bitcoin #CryptoSecurity #HardwareWallet #BTC #Coldcard
Security Alert for Crypto Users

Reports claim that a flaw in Coldcard hardware wallet randomness may have led to the theft of 594 BTC (about $38 million) from around 500 wallets.

⚠️ If confirmed, this would highlight how critical secure seed phrase generation is for hardware wallets.

Key takeaway:
• Always keep your wallet firmware updated.
• Buy hardware wallets only from official sources.
• Verify security advisories before taking action.
• Never share your seed phrase with anyone.

Stay informed, stay secure. 🔒
#Bitcoin #CryptoSecurity #HardwareWallet #BTC #Coldcard
"HOLD UP, Bitcoin fam, looks like the Coldcard thief was basically "funding their habits" with the top blockchain service provider's help. #Coldcard #BlockchainSecurity THE ALPHA It turns out, the Coldcard thief didn't even need to "hodl" the secret to their success - they used a top blockchain service to facilitate the hack. Bitcoin holders with Coldcards are advised to move funds ASAP. #BlockchainServices THE PUNCHLINE INSIGHT Guess who's got a hot new wallet on their Christmas list? That's right, Bitcoin holders who want to keep their coins safe from rogue 'services' should probably consider a hardware wallet that doesn't rely on being online 24/7. ENGAGEMENT BAIT Are you still HODLing on a Coldcard? Better start thinking about an exit strategy..."
"HOLD UP, Bitcoin fam, looks like the Coldcard thief was basically "funding their habits" with the top blockchain service provider's help. #Coldcard #BlockchainSecurity

THE ALPHA
It turns out, the Coldcard thief didn't even need to "hodl" the secret to their success - they used a top blockchain service to facilitate the hack. Bitcoin holders with Coldcards are advised to move funds ASAP. #BlockchainServices

THE PUNCHLINE INSIGHT
Guess who's got a hot new wallet on their Christmas list? That's right, Bitcoin holders who want to keep their coins safe from rogue 'services' should probably consider a hardware wallet that doesn't rely on being online 24/7.

ENGAGEMENT BAIT
Are you still HODLing on a Coldcard? Better start thinking about an exit strategy..."
Guys...... big news. Coldcard had a bug. It made some wallet keys easy to guess. Hackers took about 594 BTC fast. Maybe more, close to 1,080 BTC total now. That's real money gone. From wallets people thought were 100% safe. BTC price barely moved though. Market did not care. But u should care. If u use Coldcard, update ur firmware now. Don't wait. Move to a new seed after update. Old one might not be safe anymore. Lesson here...... "cold wallet" does not mean "no risk" wallet. Always double check. Always update. what do u think, does this scare u or not really? #bitcoin #Coldcard #bitcoin #Coldcard #AppleChipShortageHurtsSalesForecast
Guys...... big news.

Coldcard had a bug.

It made some wallet keys easy to guess.

Hackers took about 594 BTC fast.

Maybe more, close to 1,080 BTC total now.

That's real money gone.

From wallets people thought were 100% safe.

BTC price barely moved though.

Market did not care.

But u should care.

If u use Coldcard, update ur firmware now.

Don't wait.

Move to a new seed after update.

Old one might not be safe anymore.

Lesson here...... "cold wallet" does not mean "no risk" wallet.

Always double check. Always update.

what do u think, does this scare u or not really?

#bitcoin #Coldcard
#bitcoin #Coldcard
#AppleChipShortageHurtsSalesForecast
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Bearish
📉 Coldcard Wallet Exploit Shocks Crypto! ⚠️ A critical firmware flaw reportedly led to the theft of 1,082 BTC (~$70M) in just 41 minutes, raising fresh concerns about hardware wallet security. 🔒 Users are urged to update their devices immediately. Security is only as strong as the latest update. Stay protected. #bitcoin #BTC #Coldcard $BTC {future}(BTCUSDT)
📉 Coldcard Wallet Exploit Shocks Crypto! ⚠️
A critical firmware flaw reportedly led to the theft of 1,082 BTC (~$70M) in just 41 minutes, raising fresh concerns about hardware wallet security.
🔒 Users are urged to update their devices immediately.
Security is only as strong as the latest update. Stay protected.
#bitcoin #BTC #Coldcard $BTC
Coldcard firmware flaw enables $38M BTC theft as 594 BTC drained from roughly 500 wallets in just 25 minutes. Users urgently urged to migrate seeds now. Hardware security faces intense scrutiny today. $BTC $ETH $SOL #Crypto #Bitcoin #Coldcard #Security #Hack
Coldcard firmware flaw enables $38M BTC theft as 594 BTC drained from roughly 500 wallets in just 25 minutes. Users urgently urged to migrate seeds now. Hardware security faces intense scrutiny today. $BTC $ETH $SOL #Crypto #Bitcoin #Coldcard #Security #Hack
$40 million worth of Bitcoin stolen after 500 'Coldcard' hardware wallets were hacked.In simple terms, this means that someone found a way to compromise the security of Coldcard wallets a hardware wallet that is considered one of the most secure options in the crypto world and drained funds from approximately 500 different users. I don't know if you know, but Coldcard has been the gold standard for Bitcoin cold storage for years. It's an air-gapped device, meaning it never connects to the internet directly. The fact that 500 of them were compromised is extremely concerning for the entire security community. Hardware wallets are supposed to be the safest way to store crypto. When even the "most secure" option gets hacked, it shakes the foundation of self-custody. This isn't just about $40 million it's about trust in the entire cold storage ecosystem. Bangladesh doesn't have much crypto infrastructure anyway, so most people here aren't using hardware wallets. But for those who are holding crypto on exchanges or hot wallets, this should be a wake-up call. Security is not a product, it's a process. Even the best tools can fail. Whatever you say, but this incident will probably make people more paranoid about hardware wallets. And honestly, a little paranoia in crypto is not a bad thing. #bitcoin #Coldcard #CryptoSecurity #HardwareWallet

$40 million worth of Bitcoin stolen after 500 'Coldcard' hardware wallets were hacked.

In simple terms, this means that someone found a way to compromise the security of Coldcard wallets a hardware wallet that is considered one of the most secure options in the crypto world and drained funds from approximately 500 different users.
I don't know if you know, but Coldcard has been the gold standard for Bitcoin cold storage for years. It's an air-gapped device, meaning it never connects to the internet directly. The fact that 500 of them were compromised is extremely concerning for the entire security community.
Hardware wallets are supposed to be the safest way to store crypto. When even the "most secure" option gets hacked, it shakes the foundation of self-custody. This isn't just about $40 million it's about trust in the entire cold storage ecosystem.
Bangladesh doesn't have much crypto infrastructure anyway, so most people here aren't using hardware wallets. But for those who are holding crypto on exchanges or hot wallets, this should be a wake-up call. Security is not a product, it's a process. Even the best tools can fail.
Whatever you say, but this incident will probably make people more paranoid about hardware wallets. And honestly, a little paranoia in crypto is not a bad thing.
#bitcoin #Coldcard #CryptoSecurity #HardwareWallet
🚨 JUST IN 🚨 Over $40 million in $BTC has been compromised due to a security vulnerability identified in Coldcard wallets. #Bitcoin #CryptoNews #Coldcard $AVAX $DOT Source: Compiled
🚨 JUST IN 🚨

Over $40 million in $BTC has been compromised due to a security vulnerability identified in Coldcard wallets.

#Bitcoin #CryptoNews #Coldcard

$AVAX $DOT

Source: Compiled
🚨 JUST IN 🚨 Over $40 million in $BTC has been compromised due to a security vulnerability identified in Coldcard wallets. #Bitcoin #CryptoNews #Coldcard $AVAX $DOT Source: Compiled
🚨 JUST IN 🚨

Over $40 million in $BTC has been compromised due to a security vulnerability identified in Coldcard wallets.

#Bitcoin #CryptoNews #Coldcard

$AVAX $DOT

Source: Compiled
📰 CRYPTO NEWS 📰 Block team member Max Guise confirmed that recent unauthorized fund transfers from Coldcard wallets stem from a random-number-generation vulnerability affecting Mk2 through Mk5 devices. Impacted users are strongly advised to migrate their assets to a secure wallet as soon as safely possible. #Coldcard #CryptoSecurity #Block $DOGE $SOL $XRP Source: Compiled
📰 CRYPTO NEWS 📰

Block team member Max Guise confirmed that recent unauthorized fund transfers from Coldcard wallets stem from a random-number-generation vulnerability affecting Mk2 through Mk5 devices. Impacted users are strongly advised to migrate their assets to a secure wallet as soon as safely possible.

#Coldcard #CryptoSecurity #Block

$DOGE $SOL $XRP

Source: Compiled
🚀 MARKET ALERT 🚀 BREAKING: Over $38 million in digital assets has been compromised following a vulnerability identified in Coldcard wallets. #CryptoNews #Coldcard #CryptoSecurity $TON $DOGE $NEAR Source: Compiled
🚀 MARKET ALERT 🚀

BREAKING: Over $38 million in digital assets has been compromised following a vulnerability identified in Coldcard wallets.

#CryptoNews #Coldcard #CryptoSecurity

$TON $DOGE $NEAR

Source: Compiled
📰 CRYPTO NEWS 📰 Block team member Max Guise confirmed that recent unauthorized fund transfers from Coldcard wallets stem from a random-number-generation vulnerability affecting Mk2 through Mk5 devices. Impacted users are strongly advised to migrate their assets to a secure wallet as soon as safely possible. #Coldcard #CryptoSecurity #Block $DOGE $SOL $XRP Source: Compiled
📰 CRYPTO NEWS 📰

Block team member Max Guise confirmed that recent unauthorized fund transfers from Coldcard wallets stem from a random-number-generation vulnerability affecting Mk2 through Mk5 devices. Impacted users are strongly advised to migrate their assets to a secure wallet as soon as safely possible.

#Coldcard #CryptoSecurity #Block

$DOGE $SOL $XRP

Source: Compiled
🚨 LATEST UPDATE 🚨 A significant security breach has resulted in the loss of $38 million in Bitcoin. The theft was linked to a specific flaw found within Coldcard keys. Interestingly, the manufacturer of the hardware wallet believes that the vulnerability may have been discovered using artificial intelligence technology. 🛡️ This incident is a major development for the industry because hardware wallets are generally considered the gold standard for securing digital assets. When a trusted device faces a flaw that leads to millions being drained, it raises serious questions about the long-term safety of self-custody methods. Users are now paying closer attention to how advanced computing might impact cryptographic security. ⚠️ How do you feel about using hardware wallets for your long-term storage? 🔍 #Coldcard #BitcoinSecurity #CryptoNews $BTC $XAUT $ONDO
🚨 LATEST UPDATE 🚨

A significant security breach has resulted in the loss of $38 million in Bitcoin. The theft was linked to a specific flaw found within Coldcard keys. Interestingly, the manufacturer of the hardware wallet believes that the vulnerability may have been discovered using artificial intelligence technology. 🛡️

This incident is a major development for the industry because hardware wallets are generally considered the gold standard for securing digital assets. When a trusted device faces a flaw that leads to millions being drained, it raises serious questions about the long-term safety of self-custody methods. Users are now paying closer attention to how advanced computing might impact cryptographic security. ⚠️

How do you feel about using hardware wallets for your long-term storage? 🔍

#Coldcard #BitcoinSecurity #CryptoNews $BTC

$XAUT $ONDO
Coinkite is advising Coldcard Mk3 users to migrate funds following a potential seed-generation risk. Additionally, security experts are investigating a massive $38 million Bitcoin wallet drain. #CryptoSecurity #Coldcard ‎
Coinkite is advising Coldcard Mk3 users to migrate funds following a potential seed-generation risk. Additionally, security experts are investigating a massive $38 million Bitcoin wallet drain.

#CryptoSecurity #Coldcard
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