Cryptocurrency Security
Protect your crypto assets. Seed phrases, wallet recovery, and crypto inheritance.
41 articles
Coldcard Incident Timeline: Read the Current Evidence and Corrections
A guide to the manufacturer’s incident record, the distinction between reported losses and verified facts, and keeping handoff instructions current.
Is My Coldcard Model Affected? Check the Firmware and Seed History
Use the current manufacturer advisory to check your device, firmware release track and original seed-generation history.
BIP39 Passphrases and the Coldcard Incident: Protection and Recovery Limits
Understand why a separate passphrase can matter and why recovery planning must distinguish it from a PIN, seed backup or ZeroLatch phrase.
Manual Entropy vs. Device RNG: A Careful Guide to Wallet Dice Workflows
Understand what dice entropy changes, where device-specific instructions matter, and how to keep a usable recovery plan without uploading wallet secrets.
Combining Wallet Backups, Multisig and a Scoped Handoff
Decide which failure each recovery layer addresses before adding another device or online service.
Cold Wallet Backups: Compare Storage and Recovery Trade-Offs
Compare seed phrase backup methods: Shamir Secret Sharing, stamped metal plates, multi-custodian escrow, and ZeroLatch Private Mode client-side encrypted vaults.
Can AI Audits Miss Hardware Wallet Flaws? Build Independent Contingency Redundancy
Why AI code reviews and automated security audits can miss firmware build flags, and how an independent self-custodied delivery can support key-rotation planning.
The Hard Reality of Bitcoin Self-Custody: An Essential Emergency Runbook After Hardware Failures
Major hardware wallet flaws hit sovereign Bitcoiners hardest. Discover why multi-vendor multisig is essential, and how an emergency documentation runbook in ZeroLatch Private Mode proves vital in the long run.
Coldcard Seed Migration: Use the Current Manufacturer Instructions
Find the official migration guidance, distinguish a firmware update from a new seed, and repair recovery instructions after a wallet change.
The Coldcard RNG Issue: Build Integration, Entropy and Verification
An evidence-scoped explanation of the seed-generation incident and what a software review can and cannot establish.
DeFi Succession Planning: Securing Staked Assets, Pools, and Yield Farming
DeFi positions require active management. Learn how to secure smart contracts, liquidity pools, and staked crypto assets for your heirs.
Explain Your Crypto Recovery Plan to a Non-Technical Executor
Write a clear first step, separate wallet terminology and use a harmless rehearsal before live recovery.
How to Safely Store and Pass Down Your MetaMask Recovery Phrase
MetaMask holds millions in crypto for everyday users. Learn the safest way to store and inherit a MetaMask recovery phrase without compromising daily security.
The Legal Reality of Crypto Wills: Why Smart Contracts Aren't Enough
Are blockchain-based smart contract wills legally binding? Learn the legal gaps and how to bridge them with traditional estate planning and digital vaults.
Protecting NFT Portfolios and Digital Art Collections for the Next Generation
How to plan for NFT inheritance — ensuring your digital art, collectibles, and virtual assets reach your intended heirs without being lost forever.
How to Secure Multi-Sig Wallets for Heirs Who Don't Understand Crypto
Multi-signature wallets provide excellent security but create inheritance nightmares. Learn how to make multisig succession work for non-technical heirs.
Custodial Exchanges vs Self-Custody: Who Controls Your Crypto When You Die?
What happens to cryptocurrency on Coinbase, Binance, and Kraken when the owner dies — and why self-custody with automated inheritance is safer.
Crypto Recovery Planning: Digital Legacy Practices and Limits
An estimated 20% of all Bitcoin is permanently lost. Learn the digital legacy best practices that prevent your crypto from becoming another statistic.
On-Chain vs Off-Chain Inactivity Switches: Compare the Dependencies
Understand execution, key custody, fees and recovery limits before choosing an inheritance mechanism.
Ledger and Trezor Inheritance: A Hardware Wallet Succession Plan
Plan how a trusted person can identify and recover a Ledger or Trezor wallet without storing the device, PIN, seed and passphrase in one place.
How to Pass Down Bitcoin Safely Without Giving Up Your Private Keys
Learn how to pass down cryptocurrency to heirs without exposing your private keys while alive using client-side encrypted vaults and dead man's switch automation.
Multisig Inheritance: Avoiding a Coordination Failure
Multisignature custody can improve resilience, but heirs need a documented quorum, signer map, rehearsal and legally authorised recovery process.
Crypto Keys, Legal Process and the Limits of a Personal Warrant Canary
Why missed check-ins do not prove detention and why lawful custody, advisers and documented authority matter more than an automatic asset-transfer story.
Hardware Wallets and Conditional Handoffs Solve Different Problems
A Ledger in a drawer is not an inheritance plan. It's a paperweight with a countdown timer. An automated email is a plan.
Wallet Passphrases: Include the Separate Secret in Your Recovery Plan
Advanced crypto users add a 25th word passphrase for extra security. If your heir finds the 24 words but not the 25th, the wallet appears empty. Your fortune vanishes.
Biometrics and Inheritance: Plan a Separate Recovery Route
Apple disables TouchID/FaceID after 48 hours of inactivity. Your wife can't unlock your phone with your cold thumb. She needs the passcode you never wrote down.
Seed Phrase Storage: Safe Deposit Box vs Encrypted Handover
Compare physical custody and encrypted conditional delivery across theft, fire, availability, legal authority, recovery and provider failure.
Duress Wallets and Personal Safety: Limits, Risks and Safer Planning
Understand decoy-wallet risks, coercion scenarios and why ZeroLatch is not a panic button, duress alarm or urgent safety service.
QuadrigaCX and the Key-Person Risk Lesson for Crypto
Separate the public allegations from the durable lesson: customer assets and signing authority must never depend on one person's undocumented access.
Paper Wallets Burn: Designing Better Physical Crypto Backups
Paper can fail through fire, flood, theft and confusion. Compare durable media, independent locations, tamper evidence and tested recovery.
Help Your Chosen Person Understand Your Hardware Wallet
The brutal truth: if you die today, your hardware wallet is a paperweight to your family. Here's how to create a usable inheritance plan.
Cold Storage vs Hot Wallet: Security Comparison
Understand the security tradeoffs between cold storage and hot wallets — when to use each and how to manage both for optimal security.
Using a Dead Man's Switch for Cryptocurrency
How to set up a dead man's switch specifically for cryptocurrency — protecting your crypto assets and ensuring heir access.
NFT Inheritance: How to Pass Down Digital Art
How to plan for NFT inheritance — ensuring your digital art, collectibles, and virtual assets reach your intended heirs.
DeFi Account Access After Death
Navigate the complex world of DeFi inheritance — how to document and plan for access to decentralized finance positions after death.
Multi-Signature Wallets for Estate Planning
How multisig wallets can solve the crypto inheritance problem — setup, benefits, and practical implementation guides.
Lost Crypto: What Estimates Can and Cannot Tell You
Distinguish inaccessible funds, dormant wallets, fraud and practical recovery planning.
Hardware Wallet Backup Strategies
Comprehensive backup strategies for hardware wallets — from seed phrase redundancy to firmware considerations and recovery testing.
Crypto Inheritance: Connect Legal Authority and Technical Recovery
Prepare an asset inventory, an appropriate recovery route and instructions your chosen person can understand.
Seed Phrase Storage: Protection, Backup and Recovery
How to securely store your cryptocurrency seed phrases — metal backups, split storage, common mistakes, and emergency access planning.
How to Build a Crypto Wallet Recovery Plan
Document the wallet, preserve the correct backup and rehearse safely without exposing live funds.
Other Categories
Dead Man's Switch
Digital dead man's switch, deadman switch email, setup, security, family, password, and business continuity guides.
Comparisons & Reviews
Compare dead man's switch services, encryption tools, and digital legacy platforms.
Digital Estate Planning
Plan your digital legacy. Guides on managing online accounts, digital assets, and inheritance.
Data Security
Encryption boundaries, threat modelling, and practical data protection guidance.
Password Management
Password security, sharing credentials safely, and emergency access strategies.
Business Continuity
Key person risk, emergency access, and business succession planning.
Privacy & Compliance
GDPR, data sovereignty, privacy-first tools, and compliance guides.
Online Safety
Phishing prevention, secure browsing, identity protection, and digital safety tips.
Use Cases & Guides
Step-by-step guides for ZeroLatch features and practical security tutorials.