Bitcoin onchain activity surges to yearly high as Coldcard attack unfolds

2026-8-6 14:54

Bitcoin onchain activity has reached its highest level of 2026 as researchers have linked the surge to the ongoing Coldcard wallet exploit, warning that similar spikes have historically coincided with local market turning points. K33 Research said nearly 890,000 BTC… origin »

Bitcoin price in Telegram @btc_price_every_hour

Bitcoin (BTC) на Currencies.ru

$ 64862.58 (+0.37%)

Объем 24H $22.396b

Изменеия 24h: 0.65 %, 7d: 1.47 %

Cегодня L: $64416.2 - H: $64920.87

Капитализация $1301.558b Rank 1

Цена в час новости $ 64777.79 (0.13%)

bitcoin coldcard onchain activity local coincided similar

187 +

Источник: Cripyo.news

bitcoin coldcard → Результатов: 62

"You stole, please return some." Coldcard hacker's wallet becomes a graffiti wall of pleas and hustles

A wallet holding $36 million in stolen bitcoin has become an unlikely public message board, as hack victims and opportunists pay to leave permanent notes for the thief.

2026-8-5 08:12	News
wallet hack board message unlikely public victims

344 +

Coldcard Warns Users to Move Bitcoin Immediately as Wallet Exploit Drains $114 Million

Coldcard's active wallet exploit has already drained roughly $114 million in Bitcoin, and the maker is now urging users with affected models to transfer.

2026-8-5 19:00	security
exploit 114 million coldcard bitcoin wallet users

263 +

Bitcoin’s Most Active Day Since 2024. What Happened On-Chain During the Coldcard Panic

Bitcoin active addresses hit a 20-month high in the Coldcard panic. On-chain data shows what holders really did. The post Bitcoin’s Most Active Day Since 2024. What Happened On-Chain During the Coldcard Panic appeared first on BeInCrypto.

2026-8-4 17:45
coldcard panic bitcoin on-chain active 2024 day

332 +

Coldcard exploit drives record OKX inflows as users rethink self custody

OKX has reported record inflows to its centralized exchange following the Coldcard hardware wallet exploit, as the company says users are increasingly prioritizing managed custody after one of the largest known Bitcoin wallet security incidents. According to The Block, OKX…

2026-8-5 17:02	Сrypto hack
okx coldcard custody wallet users record inflows

173 +

Coldcard urges users to move bitcoin as exploit is still in progress

The cold wallet maker said the flaw behind roughly $114 million in losses remains live, with specific models and firmware still exposed.

2026-8-5 15:00	News
still losses 114 behind roughly million remains

235 +

Bitcoin rises toward $64,000 as Coldcard exploit, Strategy sales recede. ADA advances

Bitcoin advanced as the market settled down following the weekend’s hack of Coldcard wallets and sales by Strategy even as sentiment remained in “extreme fear.”

2026-8-5 13:51	News
coldcard sales bitcoin strategy extreme wallets fear

21 +

Coldcard Bitcoin theft tops $100M across 3 confirmed attack waves: Galaxy

Galaxy Research said 90% of the stolen Bitcoin remains unmoved as investigators examine a suspected fourth wave that could lift losses to $130 million.

2026-8-5 07:47	Latest News
galaxy bitcoin fourth wave suspected investigators examine

6 +

Solo Bitcoin Miner Snags $200K as Coldcard Hardware Wallet Drain Shakes User Trust

A solo Bitcoin miner earned $200,000 as a Coldcard hardware wallet issue shook market sentiment, raising fresh questions about mining decentralization and.

2026-8-4 19:00	Wallet
coldcard hardware solo wallet bitcoin miner market

628 +

Solo Bitcoin miner nets $200,000 as Coldcard hardware wallet drains rocks sentiment

Your day-ahead look for Aug. 3, 2026

2026-8-3 14:18	News
your sentiment rocks day-ahead look 2026 aug

951 +

Crypto News: CZ Issues Urgent Wallet Warning After $89M Bitcoin Hack as Smart Money Rushes to Pepeto

The crypto news just delivered a warning that every holder needs to hear. An attacker drained $89 million in Bitcoin from over 4,500 Coldcard hardware wallets by exploiting a firmware flaw that made supposedly unbreakable seed phrases possible to guess, according to CoinDesk.

2026-8-3 14:00	Latest News
crypto warning bitcoin hardware wallets coldcard million

953 +

Bitcoin, ether decline as Coldcard exploit enters a fifth day

Nevertheless, the drop in crypto prices seems restrained given the magnitude of losses in the wallet hack and the erosion of confidence in cold storage.

2026-8-3 13:51	News
restrained magnitude losses given wallet cold storage

899 +

Bitcoin cold storage plan revealed by David Schwartz

XRP Ledger creator David Schwartz proposed splitting Bitcoin wallet devices and PIN access among four trusted people after the Coldcard attacks.

2026-8-3 13:15	XRP
bitcoin schwartz david among access attacks pin

923 +

Early Bitcoin Dev Explains Why Self-Custody Is Still Superior After $88 Million Coldcard Bug

Peter Todd argues the $88 million Coldcard bug doesn't fix centralized risks, as QuadrigaCX exploit loss proves self-custody is still safer.

2026-8-3 12:50
still million coldcard bug self-custody risks centralized

463 +

Coldcard pushes bitcoin back to exchanges: the anti-self-custody trade

The Coldcard exploit is not a hack in the way most people understand the word. Nobody broke into anything. Nobody phished anyone. Nobody stole a seed phrase from a sticky note. The devices generated weak private keys for five years,…

2026-8-3 12:17	Hardware Wallet
nobody coldcard phrase seed sticky stole phished

318 +

XRP Ledger Co-Creator Reveals 'Nuclear Briefcase' Strategy for Bitcoin Cold Storage

Former Ripple CTO David Schwartz rejects paper wallets after the Coldcard hack, revealing a 'nuclear briefcase' trick to secure Bitcoin inheritance.

2026-8-3 12:11
bitcoin briefcase nuclear coldcard paper wallets hack

372 +

Bitcoin price drops below $63K despite Iran relief

Bitcoin fell below $63,000 despite lower oil and rising stock futures as Coldcard thefts, ETF outflows and policy delays returned to focus.

2026-8-3 11:58	Иран
despite bitcoin below etf thefts coldcard outflows

824 +

'This Will Only Get Worse': Famous Bitcoin Critic Warns of AI and Quantum Danger for BTC

The Coldcard exploit started a wave of fear that Bitcoin holders haven't yet witnessed.

2026-8-3 11:25
bitcoin started witnessed exploit coldcard wave fear

304 +

Coldcard Bitcoin Exploit Enters Fourth Wave With 462 New Suspected Victims

Galaxy Research head Alex Thorn warned early Monday that a fourth coordinated attack wave is likely targeting Coldcard users. The random number generator (RNG) exploit has been linked to 1,367. 05 Bitcoin (BTC) from 4,585 addresses across three confirmed waves.

2026-8-3 10:55
coldcard wave fourth bitcoin exploit rng linked

89 +

Crypto Price Prediction for Today, August 3: Solana (SOL), XRP, Bitcoin

This week started for Crypto with a red candle. The whole market shrank by nearly 1% in a day, now at $2. 16 trillion. A hardware wallet called Coldcard got hit again. This is the fourth wave of attacks, and hackers walked away with about 389 BTC.

2026-8-3 10:44	Latest News
crypto hit again got called trillion hardware

935 +

Coldcard exploit sparks call for independent audits: Kraken CSO

Coldcard’s five-year seed-generation flaw has renewed calls for independent testing of hardware wallet firmware after suspected attacks have drained nearly $90 million worth of Bitcoin from thousands of wallets.

2026-8-3 10:22	Сrypto hack
independent coldcard drained nearly attacks suspected million

741 +

Bitcoin slips under $63,000 despite Iran deal hopes as Coldcard losses rattle market

Oil and Treasury yields fell after fresh U.S.-Iran talks eased inflation fears, but bitcoin and ether failed to catch a bid as fresh Coldcard-linked sweeps pushed observed losses to nearly $89 million.

2026-8-3 09:15	News
bitcoin losses fresh ether failed fears eased

13 +

Suspected 4th Coldcard attack wave sweeps 448 Bitcoin: Galaxy’s Thorn

Galaxy research head Alex Thorn warned that unconfirmed transactions may give some Coldcard users a narrow opportunity to save their funds.

2026-8-3 04:57	Latest News
galaxy coldcard thorn users may transactions give

12 +

Coldcard exploit sparks Bitcoin flight, ‘bullish’ crypto consolidation: Hodler’s Digest, August 2

The “sickening” loss of $90 million of Bitcoin from cold storage weighs heavily on sentiment, as the Clarity Act stalls with just five days left to hold a Senate vote.

2026-8-3 02:44
bitcoin act stalls clarity sentiment heavily hold

26 +

Bitcoin ETFs gain fresh case after $89M Coldcard drain, says Balchunas

Bloomberg analyst Eric Balchunas says the $88.6M Coldcard drain strengthens Bitcoin ETFs, although institutional custody still carries risk.

2026-8-3 19:02	Сrypto hack
says balchunas bitcoin drain coldcard etfs although

16 +

Why $89 Million Coldcard Drain Is Bullish for Bitcoin ETFs, Bloomberg Analyst Explains

Bloomberg’s Eric Balchunas shares his take on a $89 million drain from Coldcard hardware wallets and how it provides the ultimate bull case for regulated spot Bitcoin ETFs.

2026-8-3 18:20
bitcoin bloomberg drain etfs million coldcard provides

27 +

$1.6 Million Drained in a Blink: User Recounts His Dramatic Coldcard Wallet Hack

A Canadian entrepreneur lost more than $1. 6 million in Bitcoin (BTC) from a Coldcard hardware wallet in under seven minutes, part of a wave that may total 1,367. 05 BTC. The case exposes an uncomfortable truth about self-custody: doing everything right may not be enough.

2026-8-2 16:19
btc coldcard wallet million may exposes case

993 +

Bitcoin News Today: BTC Holds Above $63,100 on ETF Inflows Despite Coldcard Wallet Scare

Bitcoin news today: live BTC price, expert analysis, and the latest on ETF inflows, on-chain accumulation, and the Coldcard wallet exploit.

2026-8-2 16:00	Market
inflows etf bitcoin wallet coldcard today btc

1012 +

Crypto News Today: Coldcard Wallet Exploit Fallout Continues as Bitcoin Holds Steady on ETF Inflows

Crypto news today: the Coldcard hardware wallet exploit, Bitcoin's ETF-driven stability, and the calendar ahead for August.

2026-8-2 15:30	ethereum
crypto bitcoin wallet exploit coldcard today etf-driven

988 +

Unlike the FTX collapse, the $89 million Coldcard exploit has investors sending bitcoin back to exchanges

The Coldcard vulnerability has smaller bitcoin holders moving funds onto exchanges for safety, according to blockchain analytics firms. This is opposite of the trend seen following the FTX collapse in late 2022.

2026-8-3 15:03	News
coldcard bitcoin exchanges ftx collapse opposite firms

9 +

Coldcard Bitcoin losses rise to $88.6M in third wave

Galaxy estimates three Coldcard-linked attack waves drained 1,367.05 BTC, worth $88.6 million, from 4,585 Bitcoin addresses.

2026-8-3 11:54	Galaxy Digital
bitcoin 367 drained waves btc million addresses

8 +

Coldcard hack sparks biggest sub-1 BTC move since FTX: CryptoQuant

Bitcoin users moved 39,600 BTC in small transactions as the Coldcard hack continued, with researchers warning that the attack remained active.

2026-8-3 11:07	Latest News
btc coldcard hack continued transactions warning remained

8 +

Bitcoin Social Sentiment Hits Historic Low as Coldcard Firmware Exploit Sparks Self-Custody Fear

Bitcoin's social sentiment ratio hit an all-time low after a Coldcard firmware exploit sparked cold wallet security fears, per Santiment data.

2026-8-2 03:00	Bitcoin
firmware exploit bitcoin low coldcard sentiment social

1140 +

Bitcoin Sentiment Ratio Drops to Extreme Low Levels After Coldcard Incident

Bitcoin sentiment falls to a record low after the Coldcard exploit, as fears over hardware wallet security shake trader confidence despite $BTC gains.

2026-8-2 01:00	Bitcoin
low coldcard bitcoin sentiment hardware security wallet

1210 +

Bitcoin Bullish Sentiment Falls to Historic Low: Here Is Why

Bitcoin social sentiment shifts rapidly in response to the recent Coldcard firmware exploit that saw investors collectively lose funds worth over $70 million.

2026-8-2 17:32
bitcoin sentiment saw investors exploit collectively firmware

265 +

Coldcard Bitcoin loss estimate rises to $70M after Galaxy analysis

Galaxy Research identified 1,196 addresses that lost 1,082.65 Bitcoin in a 41-minute window, expanding the estimated scope of the Coldcard wallet incident.

2026-8-3 12:23	Latest News
coldcard galaxy bitcoin window 41-minute expanding incident

298 +

A build error in Coldcard’s firmware drained $38 million in bitcoin in 25 minutes

Coinkite says an attacker used AI to find a flaw its own AI review missed, exposing 500 wallets to a seed generation bug that reduced 128 bits of entropy to 40. The attack took 25 minutes. At 2:14 a.m. UTC…

2026-8-2 10:56	Bitcoin Wallets
minutes 128 reduced wallets seed generation bug

29 +

Coldcard Security Notice Puts Bitcoin Wallet Entropy Risk Back In Focus

A Coldcard security issue has put Bitcoin hardware-wallet safety back under the microscope after reports that a firmware flaw affected seed generation...

2026-8-3 17:30	Wallet
back coldcard bitcoin security reports microscope firmware

730 +

Satoshi Candidate Peter Todd Warns No Bitcoin Is Safe on Singlesig After $38 Million Coldcard Drain

Bitcoin dev Peter Todd slams hardware wallet security after an entropy bug in Coldcard devices allowed hackers to brute-force and drain 594 BTC.

2026-8-2 13:10
bitcoin drain todd peter coldcard devices bug

1005 +

Coldcard Bitcoin Theft Ongoing: Is Your Wallet Affected?

An ongoing Coldcard Bitcoin theft has drained $38 million using weak wallet keys. Migrate your funds now. The post Coldcard Bitcoin Theft Ongoing: Is Your Wallet Affected? appeared first on BeInCrypto.

2026-7-31 09:54
coldcard your ongoing theft bitcoin wallet affected

1398 +

Bitcoin Wallets at Risk After Critical Coldcard Security Bugs Get Exposed

Block has disclosed two critical vulnerabilities affecting multiple generations of Coldcard hardware wallets.

2026-8-2 08:32
coldcard critical wallets vulnerabilities two disclosed affecting

9 +

Coldcard Mk3 warning follows $38M Bitcoin drain

Coldcard warns Mk3 users to move funds as experts investigate a 594 BTC sweep worth about $38 million, with the cause still unconfirmed.

2026-7-31 07:37	Bitcoin Wallets
coldcard mk3 worth btc sweep still unconfirmed

62 +

Coldcard MK5 ships with 5 major wallet upgrades

Coinkite launched the Coldcard MK5, its first hardware upgrade to the flagship Bitcoin wallet since 2022.

2026-5-30 13:12	Hardware Wallet
coldcard wallet mk5 upgrade flagship bitcoin 2022

5692 +

Coinkite Launches Its New Flagship Bitcoin Hardware Wallet Coldcard Q1

The new COLDCARD improves upon the Mk4 by adding a QWERTY keyboard, a big LCD screen, and a QR code scanner.

2023-2-15 18:20
coldcard new big adding keyboard qwerty screen

342 +

An Easy Guide To Use The ColdCard Bitcoin Hardware Wallet

How to use the ColdCard hardware wallet, a popular choice amongst Bitcoiners concerned with security and privacy.

2022-6-9 00:00
coldcard hardware use wallet concerned bitcoiners security

494 +

Inside The New COLDCARD Mk4 Bitcoin Hardware Wallet

Take a sneak peek at exclusive details about Coinkite’s upcoming hardware wallet.

2022-2-17 01:34	Bitcoin
hardware wallet exclusive details upcoming coinkite peek

485 +

How To Protect Your Bitcoin With Coldcard And Integrated Seed XOR

Using a Coldcard hardware wallet with Seed XOR, you can split your backup seed phrase and better protect your bitcoin from accidents and bad actors.

2021-11-3 16:31
seed your xor coldcard protect bitcoin better

540 +

Coldcard Version 4.0.0 Released For Improved Bitcoin Security

Coinkite, maker of bitcoin hardware wallet Coldcard, has released version 4.0.0 of the flagship product’s firmware.

2021-3-20 20:43	Bitcoin Wallets
coldcard bitcoin released version flagship product wallet

476 +

‘Bypass’ Attack in Coldcard Bitcoin Wallet Could Trick Users Into Sending Incorrect Funds

Bitcoin hardware wallet Coldcard is fixing a flaw that could trick users into sending bitcoin on the mainnet when they meant to use its testnet.

2020-11-26 20:00
bitcoin trick sending could users wallet coldcard

455 +

Maker of Coldcard Bitcoin Wallet Rolls Out an Extra-Strength ‘USB Condom’

CoinKite, maker of the Coldcard hardware wallet, has introduced two accessories that underscore the near-paranoia required to safely hold bitcoin.

2020-6-2 16:00	Bitcoin Wallets
wallet maker bitcoin coldcard accessories underscore near-paranoia

397 +

дальше еще 13 новостей →

Партнеры Currencies.ru

Реклама на Currencies.ru

Самое свежее на Currencies.ru

David Schwartz weighs in on $100M Coldcard hack

David Schwartz said the Coldcard breach shows that rare custody failures can produce devastating losses, comparing the incident with past breakdowns in traditional finance. Schwartz compares Coldcard breach with TradFi failures Ripple CTO Emeritus David Schwartz framed the Coldcard attack…

Coldcard exploit drives record OKX inflows as users rethink self custody

Coldcard exploit sparks call for independent audits: Kraken CSO

Bitcoin ETFs gain fresh case after $89M Coldcard drain, says Balchunas

Bloomberg analyst Eric Balchunas says the $88.6M Coldcard drain strengthens Bitcoin ETFs, although institutional custody still carries risk.

Swan Treasury loses $625K after signer key leak enables discounted STY purchases

Blockchain asset management protocol Swan Treasury has suffered an estimated $625,000 loss after attackers exploited a leaked off-chain signer key to buy STY tokens at a steep discount before selling them for profit.

Ostium blames off chain breach for $23.75M USDC exploit

Ostium has concluded that its July exploit originated from compromised off-chain infrastructure rather than a flaw in its smart contracts, after an investigation found the attacker manipulated price reporting to drain 23.

2026-8-6 14:54

bitcoin coldcard → Результатов: 62

2026-8-5 08:12

2026-8-5 19:00

2026-8-4 17:45

2026-8-5 17:02

2026-8-5 15:00

2026-8-5 13:51

2026-8-5 07:47

2026-8-4 19:00

2026-8-3 14:18

2026-8-3 14:00

2026-8-3 13:51

2026-8-3 13:15

2026-8-3 12:50

2026-8-3 12:17

2026-8-3 12:11

2026-8-3 11:58

2026-8-3 11:25

2026-8-3 10:55

2026-8-3 10:44

2026-8-3 10:22

2026-8-3 09:15

2026-8-3 04:57

2026-8-3 02:44

2026-8-3 19:02

2026-8-3 18:20

2026-8-2 16:19

2026-8-2 16:00

2026-8-2 15:30

2026-8-3 15:03

2026-8-3 11:54

2026-8-3 11:07

2026-8-2 03:00

2026-8-2 01:00

2026-8-2 17:32

2026-8-3 12:23

2026-8-2 10:56

2026-8-3 17:30

2026-8-2 13:10

2026-7-31 09:54

2026-8-2 08:32

2026-7-31 07:37

2026-5-30 13:12

2023-2-15 18:20

2022-6-9 00:00

2022-2-17 01:34

2021-11-3 16:31

2021-3-20 20:43

2020-11-26 20:00

2020-6-2 16:00

Партнеры Currencies.ru

Реклама на Currencies.ru

Самое свежее на Currencies.ru

Add news: propose for publication, Submit ICO