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Self-Custody Insurance

Protecting your Bitcoin holdings. Insurance options, coverage gaps, risk management, and estate planning for self-custody.

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Why Self-Custody Matters

When you store Bitcoin on an exchange, you are trusting that company with your money. You are trusting their security, solvency, management, and regulatory compliance. The list of exchanges that have failed is long and painful.

Mt. Gox lost 850,000 Bitcoin in 2014. FTX collapsed in 2022, freezing $8 billion in customer assets. Celsius, Voyager, and BlockFi all went bankrupt the same year. Customers waited months or years for partial recovery, and many received nothing.

Self-custody eliminates this counterparty risk entirely. When you hold your own keys on a hardware wallet, no exchange bankruptcy, hack, or regulatory freeze can touch your Bitcoin. Your coins exist on the blockchain, controlled by your private keys, accessible only to you.

The downside of self-custody: you become the single point of failure. Lose your keys, lose your Bitcoin. No customer support line. No password reset.

Hardware Wallets | Self-Custody Guide

The Risk Landscape

Before discussing insurance, understand what you are insuring against. Not all risks are insurable.

Physical Risks

  • Hardware wallet theft
  • Fire, flood, or disaster
  • Hardware failure
  • Physical coercion

Digital Risks

  • Phishing and social engineering
  • Key management failure
  • Malware on connected devices
  • Incorrect backup creation

Uninsurable

  • Price volatility
  • Regulatory seizure
  • Tax liability
  • User error (wrong address)

Insurance Options for Bitcoin Holders

The Bitcoin insurance market is still developing. Options are more limited than traditional property insurance, and coverage terms vary significantly.

Casa

Self-Custody

Collaborative custody (multisig). You hold 2 keys, Casa holds 1. Neither party can move funds alone.

Insurance: Lloyd's of London underwrittenCost: $120 to $456/year depending on plan

Includes inheritance protocol

Unchained Capital

Self-Custody

2-of-3 multisig vault. Unchained holds one key but cannot access funds alone.

Insurance: Institutional insurerCost: Varies by vault size

Up to $2M+ coverage

Coincover

Custody

Works with various platforms. Holds encrypted backup for key recovery under specific conditions.

Insurance: Disaster recovery insuranceCost: Included with partner platforms

Partial custody (recovery path exists)

BitGo

Custody

Full qualified custody. Up to $250M insurance. Designed for institutional investors.

Insurance: Lloyd's of London underwrittenCost: Negotiated (institutional)

Institutional grade

Homeowner's Insurance

Some policies technically cover "theft of property," but most have low limits ($1,000 to $5,000) for digital assets. Proving Bitcoin theft to an adjuster who does not understand cryptocurrency is difficult. Review your policy, ask your insurer specifically about crypto coverage, and get any confirmation in writing.

What Insurance Does NOT Cover

Understanding gaps is just as important as understanding coverage. Do not assume full protection just because you have "insurance."

User error

Sending to wrong address, falling for phishing, or entering wrong amounts. These are voluntary actions.

Seed phrase negligence

Leaving your backup in a visible location. Universally excluded for failure to follow basic security.

Market losses

No legitimate product covers price decline. If someone offers this, it is likely a scam.

Government seizure

No private insurer covers state confiscation.

Internal theft

If a family member with access steals your Bitcoin, coverage depends entirely on policy terms.

Risk Management Strategies (Self-Insurance)

For most Bitcoin holders, strong security practices are more practical and cost effective than insurance. Consider these your "self-insurance" portfolio.

The Non-Negotiable Foundation

1

Use a hardware wallet. A dedicated device that stores keys offline. Not a phone app.

2

Backup your seed phrase on metal. Paper burns. Metal survives house fires. Products cost $25 to $75.

3

Store backups in multiple locations. A fireproof safe at home and a safe deposit box. Two geographically separate locations.

4

Use a strong PIN. Many devices wipe after incorrect attempts, protecting against physical theft.

5

Test your backup before storing significant funds. Set up, write down seed, wipe, recover. Verify it works.

Advanced Security

  • Multisig: Require 2-of-3 or 3-of-5 keys to authorize transactions. Eliminates single points of failure. Multisig Explained
  • Passphrase (25th word): Creates a separate hidden wallet. Even with the seed phrase, funds are inaccessible without it.
  • Decoy wallet: Some wallets (Coldcard, Trezor) support a duress PIN that opens a decoy wallet under physical threat.
  • Dedicated device: Use a separate, clean laptop for Bitcoin transactions only. No browsing, no email.

Custody vs. Self-Custody: When to Use Each

Self-Custody

  • You have technical competence for key management
  • Holdings justify the effort (above a few thousand)
  • You value sovereignty over convenience
  • You accept personal responsibility

Collaborative Custody

  • Large holdings ($100k+) needing insurance
  • Estate planning with inheritance features
  • Less confidence in managing multisig alone
  • Institutional or fiduciary obligations

Many experienced holders use a hybrid approach: small amounts on a mobile wallet for spending, medium holdings on a single-signature hardware wallet, and long-term savings in multisig through Casa or Unchained with insurance. This gives convenience where you need it and maximum security where it matters most.

Estate Planning for Bitcoin

One of the most overlooked aspects of self-custody: what happens to your Bitcoin after you die. Without proper planning, your heirs may never access your funds. An estimated 3 to 4 million Bitcoin are believed permanently lost, many because owners passed away without leaving access instructions.

Letter of instructions

A sealed letter stored with your will explaining where your hardware wallet, seed phrase backups, and passphrases are located. Simple but requires trusting your estate handler.

Collaborative custody inheritance

Casa offers an inheritance protocol. Your heir contacts Casa after death, provides a death certificate, and after a waiting period, Casa assists with recovery using their key.

Distributed multisig

In a 2-of-3 setup, give one key to your estate attorney (sealed), keep one yourself, store one separately. Your heir needs the attorney plus one of your keys.

Trust structures

For very large holdings, a Bitcoin-specific trust with a designated trustee manages key management and distribution according to your wishes.

At minimum, your family should know that you own Bitcoin, that the keys are stored securely, and who to contact for help. Tell them what NOT to do: never share seed phrases with strangers or "Bitcoin recovery services."

Setting Up Secure Self-Custody: Quick Start

1

Buy a hardware wallet from the manufacturer directly (never secondhand).

2

Set up the device following manufacturer instructions.

3

Write down your seed phrase on paper first, then transfer to metal backup.

4

Test recovery by wiping the device and restoring from seed.

5

Transfer a small test amount from your exchange. Verify receipt.

6

Transfer the rest once comfortable with the process.

7

Store backups in two separate, secure, geographically distinct locations.

8

Consider multisig if holdings exceed $50,000.

9

Create an estate plan so family can access your Bitcoin.

10

Evaluate insurance through Casa or Unchained for significant holdings.

Hardware Wallet Comparison | Multisig Guide

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