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Your crypto survivesYour family thrives

where your keys stay yours

Non-custodial crypto inheritance built on Safe. Name your heirs by wallet, check in when you like, and let people you trust confirm the rest.

Create WillHow it works
how it works

Set it up once. Live your life

Follow Armaan as he sets up his will in the app. About ten minutes, from a Safe he already owns.

  1. 01

    Connect your Safe

    Armaan uses his own Safe on Robinhood Chain, or creates one in a click. The same plan covers his Safe on Base too. 0xWills is switched on as a module: his keys and funds never leave.

    0xWills app: connect your safe
  2. 02

    Name your people

    He names his daughter Maya for 60% and his wife Nadia for 40%. Each heir is a wallet address, and shares always add up to 100%.

    0xWills app: name your people
  3. 03

    Choose who confirms

    His sister Sara, his lawyer and an old friend. Two of the three must agree. If they ever can’t, the 1-year fallback means his family is never stuck.

    0xWills app: choose who confirms
  4. 04

    Pick the timing

    He checks in every 180 days. If he ever goes quiet, a 7-day dispute window gives him one last chance to say “I’m still here”.

    0xWills app: pick the timing
  5. 05

    Sign once

    One signature sets up the plan on every chain he picked. Nothing to send, nothing to hand over.

    0xWills app: sign once
  6. 06

    Check in, now and then

    One tap every six months keeps the plan asleep. Miss one, and reminders arrive long before anything happens.

    0xWills app: check in, now and then
  7. 07

    Invite your people

    Maya opens her invite link and confirms her wallet works. Armaan can see exactly who has confirmed, and when.

    0xWills app: invite your people
01 / 07
the story behind 0xwills

The story behind 0xWills

Why we built it, told through one family: Armaan, his daughter Maya, and a door frame full of pencil marks.

A life you're buildingchapter 01 · home
The family home: Nadia pencils seven-year-old Maya's height on the door frame, next to a Safe vault
non-custodial · built on safe

You measure the years in pencil marks

And you build: ETH, stablecoins, the stocks that now live onchain. All of it stays in your own Safe. 0xWills is a module on top of it: we never hold your keys or your funds.

a question nobody asks · until it's too late

What happens to your crypto when you're gone?

is your crypto even safe after you?

Most plans fail. One way or another

Writing your seed phrase into a will, or trusting an exchange to sort it out, both break in ways your family only discovers when it's too late.

Seed phrase in a drawer

Whoever finds the 24 words owns everything, today, while you're still alive. Lose them, and nobody does.

risky now · lost later

Leave it on an exchange

Not your keys. Accounts get frozen, probate takes months, and your family needs paperwork they may never find.

custodial · slow

0xWills

Assets stay in your Safe. Heirs are named by wallet, people you trust confirm, and a dispute window protects you from mistakes.

non-custodial · verified

swipe →

Meet Armaanchapter 02 · the plan
Armaan standing on a glowing pedestal
dad · builder · hodler

Meet Armaan

Father of Maya. Eight years onchain. Like most of us, he never planned for the day he isn't here.

Armaan checking in on his phone
on his schedule · one tap

Check in

That's the whole routine. One tap from his wallet keeps the plan asleep. Miss it, and he gets reminders long before anything happens.

check-in
Checked in · Mar 2041
CheckedIn(safe: 0x7a3…f19)
Armaan next to his Safe vault
non-custodial

His Safe

Everything stays in his own Safe. 0xWills is a module on top: it can only ever pay the heirs he named, in the shares he set.

your safe
0x7a3…f19 · yours alone
enableModule(WillModule) ✓
Armaan with his verifiers holding keys
people he trusts

Verifiers

His sister, his lawyer and an old friend each hold a key. If he ever goes quiet, two of the three must confirm what happened.

verifiers
Sara (sister) · J. Malik (lawyer) · Omar (friend)
threshold 2 of 3
The verifiers beside an empty pedestal
nothing moves yet

Then, silence

One month the check-in doesn't come. His verifiers confirm, a dispute window opens, and a single check-in from him would cancel everything.

dispute window
7 days left · one check-in cancels it
Then, a letterchapter 03 · the heir
Maya holding a letter
her wallet, named years ago

A letter for Maya

Years ago her father named her wallet as his heir. When the dispute window closes, her share is waiting, and only that wallet can claim it.

notice · from 0xWills
Your father left something for you.
to: 0x4c1…e9b2 · share ready to claim
Maya wearing her father's scarf next to the Safe
exactly as he wrote it

Claimed

Her 60% arrives as he set it: ETH, tokens and tokenized stocks on Robinhood Chain. It can only go to the wallet he named. Nobody can redirect it.

claimed
Maya received her 60%
ShareClaimed · tx 0x91f…a07
What remainschapter 04
Maya measuring her son Leo against the door frame
what remains

Leave them more than a door frame

Years later, Maya measures her son Leo against the same old frame. What Armaan built kept going, the way he wanted.

Create WillHow it works
why families can trust it

Nothing moves while you're here

Designed so the worst case is "nothing happens", never "the wrong person gets paid".

your keys

Your keys stay yours

Assets live in your Safe. We never see a seed phrase and can't move your funds. The module can only pay the heirs you named, in the shares you set.

check-in

A check-in beats everything

Missed check-ins alone do nothing. Verifiers must confirm, a dispute window runs, and one check-in from you at any point cancels it all.

heirs

Paid only to named wallets

Each heir is a wallet address you choose. Their share can only be claimed to that address, so nobody can redirect it.

code

Open, tested code

The inheritance contract is tested against a real Safe, including randomized tests.

assets

Crypto and stocks, together

Built first for Robinhood Chain, where Safe is live and stocks are tokens, so a portfolio passes on alongside ETH and stablecoins.

control

Change it any time

Update heirs, shares, verifiers or timing whenever you like. Only your Safe can change your plan.

under the hood

A Safe module, not a new wallet

The whole promise fits in a few rules the contract enforces, straight from WillModule.sol.

  • 1 deployment serves every Safe
  • CALL only, never DELEGATECALL
  • 28 tests against a real Safe, incl. 512 fuzz runs

The source is public on GitHub.

/// Proof of life. Any owner, one tap.
function checkIn(address safe) external {
    if (msg.sender != safe && !ISafe(safe).isOwner(msg.sender))
        revert NotAuthorized();
    w.status = Status.Active;
    w.lastCheckIn = uint64(block.timestamp);
    w.round++;  // wipes every verifier vote
}

/// Verifiers can only act once you're overdue.
function confirmDeath(address safe) external {
    if (!isVerifier[safe][msg.sender]) revert NotAuthorized();
    if (!isOverdue(safe)) revert NotOverdue();
    ...
    if (count >= w.verifierThreshold) _trigger(safe, w);
}   // → dispute window, then heirs claim
questions

The things people ask us

In short: 0xWills is non-custodial crypto inheritance built as a Safe module. Your crypto stays in your own Safe. If you stop checking in, the verifiers you chose confirm, a dispute window passes, and each heir claims their share to their own wallet. No company holds a key or approves the claim. The code is open source, and the app is a free testnet beta on Robinhood Chain, Ethereum Sepolia, Arbitrum Sepolia and Base Sepolia.

What is 0xWills?

Non-custodial crypto inheritance built as a Safe module. You choose heirs, shares, verifiers and a check-in interval. Your assets stay in your own Safe while you're alive, and pass to your heirs only after a missed check-in, verifier confirmation and a dispute window.

Do you hold my keys or my funds?

No. 0xWills never sees your seed phrase and cannot move your funds. The contract can only pay the heirs you named, in the shares you set, once every condition is met.

Do my heirs need a crypto wallet?

Yes. Each heir is named by a wallet address, and their share can only ever be claimed to that wallet. You can change an heir's address whenever you like.

What if I just forget to check in?

Nothing moves. You'll get reminders, your verifiers have to confirm, and then a dispute window opens. A single check-in from you at any point before it ends cancels everything.

Do my heirs get everything at once?

Only if you want that. For each heir you can set a schedule measured from the day the plan executes: half now and half after six months, 20% now then 20% every three months, nothing for a year, or your own schedule of up to 12 payments within five years. Whatever isn't unlocked yet stays in your Safe, and nobody can speed it up.

Can I leave my heirs a note?

Yes. Each heir can get a private note (where things are, who to call) that only their wallet can read. It's encrypted in your browser, never stored on a server, and only its fingerprint goes on-chain so they can check it's the real one. The app blocks anything that looks like a seed phrase: tell them where the keys are, never what they are. You can also print a one-page guide per heir with the steps, their wallet and the note as a QR code.

Which chains and assets?

0xWills runs on Robinhood Chain, where Safe is live and stocks exist as tokens. ETH and up to 20 tokens per plan are supported.

How is this better than sharing my seed phrase?

A shared seed phrase gives someone full access today, with all the risk that brings. 0xWills gives your heirs access only when verified conditions are met, and never exposes your keys. Read our guide.

Do I need the $WILLS token?

No. Creating a will, checking in, confirming and claiming all work without it, and your heirs never need it. $WILLS is an optional community token for cheaper fees and a vote on the treasury. It isn't launched yet: the only official contract address will be posted on this site and pinned on @0xWillsHQ and our Telegram channel. Read how it works.

What does it cost?

The basic will is free: one plan with heirs, verifiers, check-ins and claims on Robinhood Chain. You only pay the network fees for the transactions you sign. Premium is $99 a year: every chain, check-in reminders by email and Telegram, gas-free check-ins and help for your heirs when they claim. Family Office is $499 a year for large or multi-Safe setups, with hands-on setup. Pay in ETH or USDC, or in $WILLS for 20% off. Your heirs never pay anything to claim. During the testnet beta, everything is free; prices start at mainnet.

testnet beta live

Your crypto survives

The app is live on testnet. Set up your will with test ETH, from a Safe you already own or one the app creates for you.

Create Will
$WILLS token · not launched yet

An optional token. Never part of your will

$WILLS is the 0xWills community token: cheaper fees for holders, and a vote on how the treasury is spent. Your will never depends on it. Heirs and verifiers never need it, and the inheritance contract never touches it.

Tokenomics

  • Supply1,000,000,000 $WILLS, fixed. No minting, ever.
  • LaunchOn Pons, Robinhood Chain's launchpad, on a public bonding curve. Everyone buys on the same curve.
  • LiquidityMoves to a Uniswap V4 pool when the curve completes, locked permanently.
  • TeamNo team or investor allocation. The founder buys like everyone else, from a public wallet.
  • Trading fee1% per trade. The project's share goes to a public treasury, first for the security audit.
utility

Cheaper fees

Pay for Premium in $WILLS and get 20% off, starting at mainnet. Paying in ETH or USDC always works too.

governance

A vote on the treasury

Holders vote on audits, bug bounties, grants and which chain comes next. Never on anyone's will, Safe or funds.

your will

Not needed to inherit

Creating a will, checking in, confirming and claiming all work exactly the same with or without the token.

official contract address

Not launched yet. The only official address will be posted here and pinned on @0xWillsHQ and our Telegram channel. Any $WILLS token before that is fake.

Read: $WILLS explained →
$WILLS is a utility token, not an investment. Nothing here promises a price or returns, and tokens can lose all their value. Not financial advice.