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

128 articles · Page 1 of 7

Caravan Review as the Ultimate DIY Multisig Solution

Caravan Review as the Ultimate DIY Multisig Solution

A research-based review of Caravan, the stateless open-source multisig coordinator for DIY Bitcoin custody and Unchained vault recovery.

TFTC·
TapSigner Review and How NFC Bitcoin Signing Compares to Premium Hardware Wallets

TapSigner Review and How NFC Bitcoin Signing Compares to Premium Hardware Wallets

TapSigner offers Bitcoin signing via NFC for around $20. We analyze how its security and convenience stack up against premium hardware wallets.

TFTC·
Cove Wallet Review Based on Six Months of User Reports and Documentation Analysis

Cove Wallet Review Based on Six Months of User Reports and Documentation Analysis

A research-based review of Cove Wallet's hardware integration, coin control, and mobile UX after analyzing user feedback and documentation.

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Swiss Bitcoin Reserve Failure Shows Why Personal Custody Beats Political Promises

Swiss Bitcoin Reserve Failure Shows Why Personal Custody Beats Political Promises

Switzerland's failed Bitcoin reserve initiative proves that relying on governments for Bitcoin adoption is risky. Self-custody remains the reliable path.

TFTC·
Firefish Review After 6 Months of Bitcoin-Backed Lending

Firefish Review After 6 Months of Bitcoin-Backed Lending

A research-based review of Firefish's P2P Bitcoin lending platform, examining loan terms, yields, security, and real user experiences after six months.

TFTC·
Trump Media's $406M Bitcoin Loss Shows Why Corporate Treasuries Need Better Risk Management

Trump Media's $406M Bitcoin Loss Shows Why Corporate Treasuries Need Better Risk Management

Trump Media's Q1 2026 $406M loss from Bitcoin and Cronos holdings reveals the risks companies face when building crypto treasuries without proper frameworks.

TFTC·
How to Set Up Caravan for Cold Storage Multisig Without Servers

How to Set Up Caravan for Cold Storage Multisig Without Servers

A step-by-step guide to configuring Caravan's stateless multisig coordination with hardware wallets for Bitcoin cold storage without third-party servers.

TFTC·
Revolut's 2-Cent Bitcoin Glitch Shows Why Self-Custody Still Matters

Revolut's 2-Cent Bitcoin Glitch Shows Why Self-Custody Still Matters

A five-minute pricing error showed Bitcoin at $0.02 on Revolut, sparking panic and raising questions about custodial wallet risks.

TFTC·
Admiral Paparo's Bitcoin Node Revelation Signals Military Interest in Protocol Security

Admiral Paparo's Bitcoin Node Revelation Signals Military Interest in Protocol Security

U.S. Indo-Pacific Command runs a live Bitcoin node for cybersecurity testing, marking the first confirmed military participation in the network.

TFTC·
How to Set Up Electrum Cold Storage with Hardware Wallet Signing

How to Set Up Electrum Cold Storage with Hardware Wallet Signing

Step-by-step guide to creating an air-gapped Electrum setup with offline transaction signing using Coldcard, Trezor, or Ledger hardware wallets.

TFTC·
Electrum Review 2026 and Why Power Users Still Choose This 15-Year-Old Wallet

Electrum Review 2026 and Why Power Users Still Choose This 15-Year-Old Wallet

Electrum remains the power user's choice in 2026. Our research-based review covers its cold storage, fee control, and hardware wallet integration.

TFTC·
U.S. Military Runs Bitcoin Node as INDOPACOM Tests Power Projection Strategy

U.S. Military Runs Bitcoin Node as INDOPACOM Tests Power Projection Strategy

Admiral Paparo confirms INDOPACOM operates a live Bitcoin node for cybersecurity tests, framing Bitcoin as a national security tool against China.

TFTC·
How to Access Premium Bitcoin Education Through Citadel Dispatch Podcast

How to Access Premium Bitcoin Education Through Citadel Dispatch Podcast

Learn how to navigate Citadel Dispatch's 240+ episodes for actionable Bitcoin education on privacy, self-custody, and freedom tech.

TFTC·
Revolut Bitcoin Glitch Displayed 2 Cent Price, Revealing Fintech Infrastructure Fragility

Revolut Bitcoin Glitch Displayed 2 Cent Price, Revealing Fintech Infrastructure Fragility

Revolut briefly showed Bitcoin at $0.02 on May 8, 2026 due to a third-party data feed failure. No trades executed, but 70 million users saw the error.

TFTC·
Calculating Mining Insurance Costs Through Resolvr's BDIC Platform

Calculating Mining Insurance Costs Through Resolvr's BDIC Platform

Learn how to estimate Bitcoin mining insurance costs using Resolvr's BDIC captive calculator, including risk factors and potential savings.

TFTC·
How to Build Custom Multisig Wallets with Bitcoin Dev Kit

How to Build Custom Multisig Wallets with Bitcoin Dev Kit

Step-by-step guide to building 2-of-3 multisig wallets with BDK's Miniscript support, from basic setups to complex spending policies.

TFTC·
Adam Back Claims Bitcoin Wins DeFi Security War as Institutions Prepare Next Wave

Adam Back Claims Bitcoin Wins DeFi Security War as Institutions Prepare Next Wave

Blockstream CEO argues Bitcoin's simple design is pulling institutional capital away from exploit-plagued DeFi protocols.

TFTC·
How to Generate Proof of Bitcoin Holdings with Hoseki for Loan Applications

How to Generate Proof of Bitcoin Holdings with Hoseki for Loan Applications

Learn how to create cryptographic proof of Bitcoin ownership for loan applications using Hoseki without exposing private keys or wallet addresses.

TFTC·
Bitkey Review After Six Months of Daily Use and What Long-Term Users Report

Bitkey Review After Six Months of Daily Use and What Long-Term Users Report

A research-based Bitkey review examining long-term user experiences, battery life, recovery features, and whether Block's seedless approach works for daily Bitcoin use.

TFTC·
Bitcoin Hits $81,500 as Tokenization Momentum Builds, and Self-Custody Faces Its Biggest Test Yet

Bitcoin Hits $81,500 as Tokenization Momentum Builds, and Self-Custody Faces Its Biggest Test Yet

Bitcoin's surge to $81,500 coincides with $19B in tokenized assets. But as institutions pile in, self-custody advocates face new challenges.

TFTC·