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Articles, guides, and reviews about Security from the Bitcoin Products team.

128 articles · Page 4 of 7

Bitcoin's Quantum Threat Could Drain 6.9 Million BTC and Insurance Markets Are Already Responding

Bitcoin's Quantum Threat Could Drain 6.9 Million BTC and Insurance Markets Are Already Responding

Quantum computers may crack 6.9 million exposed BTC by 2029. Insurance markets are launching quantum coverage as developers race for solutions.

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Cove Wallet Review for Hardware Wallet Users in 2026

Cove Wallet Review for Hardware Wallet Users in 2026

Research-based review of Cove Wallet's iOS and Android app for Coldcard, TAPSIGNER, and other hardware wallet users. Covers NFC signing, coin control, and setup.

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How to Route Traffic Through Obscura VPN for Maximum Bitcoin Privacy

How to Route Traffic Through Obscura VPN for Maximum Bitcoin Privacy

Step-by-step guide to setting up Obscura VPN's multi-hop architecture for Bitcoin privacy, including anonymous signup and Lightning payments.

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OpenDime Review as a Physical Bitcoin Cash Alternative in 2026

OpenDime Review as a Physical Bitcoin Cash Alternative in 2026

OpenDime turns Bitcoin into physical cash you can hand over. This research-based review covers setup, security trade-offs, and BCH compatibility.

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Bitcoin Keeper Review 2026 with Multisig Inheritance Testing

Bitcoin Keeper Review 2026 with Multisig Inheritance Testing

Research-based review of Bitcoin Keeper's multisig vaults and time-locked inheritance tools. Is the complexity worth it for long-term holders?

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How to Build a Multisig Recovery Setup Using Caravan After an Exchange Collapse

How to Build a Multisig Recovery Setup Using Caravan After an Exchange Collapse

Learn to build and test a DIY Bitcoin multisig recovery setup using Caravan, the open-source tool for sovereign self-custody after exchange failures.

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How to Set Up TapSigner NFC Wallet for Daily Bitcoin Payments

How to Set Up TapSigner NFC Wallet for Daily Bitcoin Payments

Step-by-step TapSigner setup guide covering initialization, PIN configuration, mobile wallet pairing, and tap-to-sign transactions for daily use.

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US Military Runs Bitcoin Node as Admiral Paparo Confirms Cryptographic Testing

US Military Runs Bitcoin Node as Admiral Paparo Confirms Cryptographic Testing

Admiral Paparo confirms INDOPACOM operates a Bitcoin node for cybersecurity testing, marking the first public disclosure of US military participation in the network.

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Foundation Passport Review After Six Months of Daily Use

Foundation Passport Review After Six Months of Daily Use

A research-based review of the Foundation Passport hardware wallet examining build quality, security, and real-world usability over extended daily use.

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Admiral Paparo Confirms US Military Runs Bitcoin Node for Cryptographic Testing

Admiral Paparo Confirms US Military Runs Bitcoin Node for Cryptographic Testing

Four-star Admiral Samuel Paparo revealed the US Indo-Pacific Command operates a Bitcoin node for cybersecurity testing, marking first confirmed military participation.

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How to Set Up Document Timestamping with Simple Proof and OpenTimestamps

How to Set Up Document Timestamping with Simple Proof and OpenTimestamps

Learn to anchor documents to Bitcoin's blockchain using Simple Proof and OpenTimestamps. Step-by-step guide from upload to verification.

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How to Recover Unchained Vault Wallets Using Caravan

How to Recover Unchained Vault Wallets Using Caravan

Learn how to recover Unchained vault funds using Caravan's open-source tools, two hardware wallets, and your config file without relying on third parties.

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How to Set Up 2-of-3 Multisig with Bitcoin Keeper and Coldcard

How to Set Up 2-of-3 Multisig with Bitcoin Keeper and Coldcard

Step-by-step guide to creating a 2-of-3 multisig vault using Bitcoin Keeper and Coldcard hardware wallets for secure Bitcoin storage.

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Volo Protocol's $3.5M WBTC Hack Demonstrates Why Self-Custody Beats DeFi Yield Chasing

Volo Protocol's $3.5M WBTC Hack Demonstrates Why Self-Custody Beats DeFi Yield Chasing

Volo Protocol lost $3.5M in WBTC and other assets after an admin key compromise. The incident adds to 2026's $786M in DeFi losses.

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Bitcoin's $180 Million Liquidation Risk at $78K Makes the Case for Hardware Wallets

Bitcoin's $180 Million Liquidation Risk at $78K Makes the Case for Hardware Wallets

With $180M in shorts at risk above $78K and $820M liquidated in one day, Bitcoin's volatility shows why self-custody matters more than ever.

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Obscura VPN Review After Six Months of Multi-Hop Privacy Testing

Obscura VPN Review After Six Months of Multi-Hop Privacy Testing

Research-based Obscura VPN review analyzing its two-hop architecture, Cure53 audit results, and whether it delivers on privacy promises.

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Sparrow Wallet Review (2026): Features, Verification, Privacy

Sparrow Wallet Review (2026): Features, Verification, Privacy

Sparrow is the desktop Bitcoin wallet for people who want to see everything. Coin control, airgapped signing, Silent Payments, and how to verify your download.

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Strait of Hormuz Bitcoin Scam Shows Why Merchant Verification Matters More Than Ever

Strait of Hormuz Bitcoin Scam Shows Why Merchant Verification Matters More Than Ever

Scammers impersonating Iranian authorities demanded Bitcoin from stranded ships. The incident reveals urgent gaps in crypto payment verification.

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Nunchuk Multisig Wallet Review After 2 Years of Family Bitcoin Storage

Nunchuk Multisig Wallet Review After 2 Years of Family Bitcoin Storage

A research-based review of Nunchuk's collaborative custody features for families, covering inheritance planning, privacy controls, and real tradeoffs.

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Jason Lowery Joins U.S. Indo-Pacific Command as Bitcoin Strategy Advisor

Jason Lowery Joins U.S. Indo-Pacific Command as Bitcoin Strategy Advisor

Jason Lowery, author of 'Softwar,' now advises INDOPACOM on Bitcoin strategy as Admiral Paparo confirms military runs Bitcoin node.

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