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Tag: Wallets

Bitcoin’s Post-Coldcard Migration - Self-Custody Crisis or Exchange Resurgence.

Bitcoin’s Post-Coldcard Migration: Self-Custody Crisis or Exchange Resurgence?

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A five-year-old firmware build error in Coldcard hardware wallets turned one of Bitcoin’s most trusted self-custody tools into the largest hardware wallet exploit on record. Starting July 30, 2026, attackers exploited weak entropy in seed generation—routing through a software PRNG instead of the intended hardware RNG—draining roughly 1,600–2,000 BTC (estimates ranging $116–130 million) across thousands of addresses in successive waves. No...

Bitcoin, Exchanges, Main, Wallets

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Coldcard Firmware Flaw Enables Over $116 Million Bitcoin Theft in Largest Hardware Wallet Exploit

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Attackers exploited a March 2021 firmware bug in Coldcard wallets to drain approximately 1,816 BTC (~$116 million) across multiple waves starting July 30, 2026. The vulnerability cut effective entropy to as low as 40 bits on older models, enabling remote brute-force of seeds without physical access. Coinkite released emergency firmware fixes, but existing seeds remain vulnerable and require full migration to new wallets. The incident ranks...

Cryptocurrencies, Hacks, News, Wallets

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What is MPC in Crypto and How Does It Work

What is MPC in Crypto and How Does It Work?

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Just when you think you know pretty much all the security options out there in crypto, new ones pop up (along with acronyms to add to the glossary—which I absolutely love! 🥴). Now it’s MPC’s turn. Let’s see what it’s all about and how it compares to multi-sig and hardware wallet security. MPC in crypto stands for Multi-Party Computation (also called secure multi-party computation). It is a cryptographic technique that eliminates the...

Blockchain, Front page, Main, Wallets

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Telegram’s Billion-User Bet: The Gram Wallet Revolution

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When Pavel Durov announced that Telegram would embed a non-custodial crypto wallet directly into every version of its billion-user app, the industry felt the tremor. This isn’t another incremental feature rollout—it’s a tectonic shift in how mainstream audiences will interact with digital assets. For years, crypto adoption has been hampered by friction. Custodial wallets, clunky interfaces, and opaque fees kept the promise of peer-to-peer...

Altcoins, Wallets

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Pavel Durov Announces Native Non-Custodial Gram Wallet Rollout for Over 1 Billion Telegram Users

Pavel Durov Announces Native Non-Custodial Gram Wallet Rollout for Over 1 Billion Telegram Users

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Telegram plans to introduce a native non-custodial Gram wallet across every version of its messaging app this summer, targeting more than 1 billion users with instant, zero-fee crypto transactions. The initiative expands on the existing @wallet bot, which has already attracted over 150 million registered users operating in a partly custodial model. Founder Pavel Durov described the development as the largest rollout of a...

Altcoins, Cryptocurrencies, Front page, News, Wallets

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