Crypto Inheritance UK — What Happens to Cryptocurrency When You Die
Guide to cryptocurrency inheritance in the UK. How to ensure your crypto passes to beneficiaries, tax implications, and practical steps to prevent lost assets.
·5 min read
Billions of pounds in cryptocurrency is estimated to be lost forever because owners died without leaving access details. Here’s how to ensure your crypto passes to your beneficiaries.
The Problem with Crypto Inheritance
Why Crypto Is Different
Traditional Assets
Cryptocurrency
Banks know the owner
No central authority
Probate grants access
Private keys required
Can be traced
May be unknown to exist
Recoverable with death cert
Lost without keys = lost forever
The Scale of Lost Crypto
Estimate
Amount
Lost Bitcoin globally
3-4 million BTC
Often due to
Death or lost keys
UK holders affected
Unknown but significant
UK Tax Position
Crypto and Inheritance Tax
Rule
Details
Treated as property
Not currency
Part of estate
For IHT calculation
Valued at death
Market value that day
IHT rate
40% above threshold
IHT Thresholds (2025/26)
Threshold
Amount
Nil-rate band
£325,000
Residence nil-rate band
£175,000
Combined (to direct descendants with home)
£500,000
Married couple (with transfers)
Up to £1,000,000
Example: Crypto in Estate
Asset
Value
House
£350,000
Savings
£100,000
Crypto
£150,000
Total estate
£600,000
Above threshold (£500k)
£100,000
IHT at 40%
£40,000
Capital Gains Tax Reset
CGT Rule
At Death
Base cost
Resets to value at death
Previous gains
Wiped out
Beneficiary sells later
CGT only on gains since death
This can be advantageous — large gains aren’t taxed at death.
Storing Access Information
What Information Needs Passing On
Item
Why Needed
Private keys
Direct wallet access
Seed phrases (12/24 words)
Wallet recovery
Exchange login details
Account access
2FA backup codes
If authenticator lost
List of holdings
What exists and where
Wallet addresses
What to look for
How NOT to Store Details
Method
Why It’s Bad
In your will
Becomes public document
Just in your head
Lost on death
On device without backup
Device failure
In email
Hackable
Telling family verbally
Forgotten or misremembered
Secure Storage Options
Method
Pros
Cons
Bank safe deposit box
Secure, fire-proof
Cost, access delay
Home safe
Quick family access
Fire/theft risk
Encrypted USB
Compact, hidden
Tech savvy needed
Split information
Extra security
Complexity
Crypto inheritance service
Purpose-built
Trust third party
Methods for Passing Crypto On
Method 1: Detailed Instructions for Executors
Step
Action
1
Create document listing all holdings
2
Include access instructions
3
Store separately from will
4
Tell executor where it is
5
Update when holdings change
The document should include:
Information
Details
Exchange accounts
Name, email used, 2FA info
Hardware wallets
Location, PIN, seed phrase
Software wallets
Apps, passwords
Approximate values
For estate admin
Named beneficiaries
Who gets what
Method 2: Split Access (Shamir’s Secret Sharing)
How It Works
Details
Concept
Divide seed phrase into parts
Requirement
Need X of Y parts to recover
Example
3 of 5 family members needed
Security
No single point of failure
Method 3: Dead Man’s Switch
Service Type
How It Works
Regular check-in
You confirm alive periodically
If you don’t respond
Information released to beneficiary
Providers
Various crypto-specific services
Risk
Service discontinuation
Method 4: Multi-Signature Wallet
How It Works
Details
Setup
Wallet needs 2 of 3 keys
You hold
1 key
Beneficiary holds
1 key
Safe/solicitor
1 key
Access
Any 2 can transact
Working with Your Solicitor
What to Tell Them
Information
Purpose
You own crypto
Estate planning
Approximate value
IHT planning
How to access
Not details, just that plan exists
Where details stored
Executor needs to know
What NOT to Put in Will
Don’t Include
Why
Private keys
Will is public after probate
Seed phrases
Security risk
Passwords
Identity theft
Exchange details
Same reason
Will Wording
Good
Bad
“I leave my cryptocurrency holdings to [name]”
“My Bitcoin private key is…”
“Details of access stored at [location]”
Full instructions in will
Telling Your Family
What Family Needs to Know
Information
Why
You own crypto
They know to look
It has value
Worth recovering
Where access info is
Can find it
Who to contact
Adviser, service
What to do first
Step-by-step
The Conversation
Topic
Points to Cover
What crypto is
Basic understanding
Why it’s different
Access requirements
What you own
General awareness
The plan
How they’ll access
Who can help
Tech-savvy person
Estate Administration Steps
For Executors
Step
Action
1
Locate access information
2
Identify all holdings
3
Value at date of death
4
Include in estate accounts
5
Pay any IHT due
6
Transfer to beneficiaries
Valuation for Probate
Requirement
Details
Value at death
Not purchase price
Evidence
Screenshot/exchange record
Multiple coins
Value each separately
Report to HMRC
On IHT return
HMRC and Crypto
Rule
Details
Must be declared
On IHT400 form
Valuation evidence
Keep records
CGT for beneficiary
On future sale
Records to keep
5+ years
Hardware vs Exchange
If Held on Exchange (Coinbase, Kraken, etc.)
Advantage
How It Helps
Account recovery
Possible with death certificate
Customer support
Can help executors
Verified identity
Account traceable
Disadvantage
Issue
Terms vary
Some exchanges difficult
2FA recovery
May complicate access
Not your keys
Exchange controls crypto
If Held in Hardware Wallet (Ledger, Trezor)
Advantage
Details
Your keys
Full control
No exchange
No third party
Secure
Physical device
Disadvantage
Issue
Lost seed = lost crypto
No recovery option
Less familiar to heirs
May not understand
Security depends on you
Must plan properly
Crypto Inheritance Checklist
Do Now
List all crypto holdings and locations
Document access methods for each
Create secure storage for information
Update your will to reference crypto
Tell executor where to find details
Brief family on basics
Review Regularly
Update when holdings change
Check seed phrases still readable
Verify 2FA backup codes work
Update beneficiary details if needed
Review exchange recovery options
Special Situations
Multiple Beneficiaries
Approach
How
Specific assets
“Bitcoin to A, Ethereum to B”
Shares
“Crypto split equally”
Executor discretion
“As executor decides”
Minor Beneficiaries
Issue
Solution
Can’t manage crypto
Leave to adult in trust
Timing of access
Trust specifies
Who holds keys
Trustee responsibility
International Holdings
Consideration
Details
Exchange location
May have different rules
All in UK estate
For UK resident
Overseas beneficiaries
Transfer logistics
Summary
Priority
Action
Essential
Document all holdings and access
Essential
Store securely (not in will)
Essential
Tell executor where to find info
Important
Mention in will (not details)
Important
Brief family on basics
Helpful
Consider inheritance service
Helpful
Multi-sig or split access
Without proper planning, your cryptocurrency could be lost forever. Take steps now to ensure your digital assets reach your intended beneficiaries.