PROOF-OF-LIFE PROTOCOL · BUILT ON FLOWVAULT × STACKS
What happens to your crypto
when your heartbeat stops?
Billions in crypto are lost forever to dead keys. Deadman Vault holds your treasury in a FlowVault Hold vault — check in on-chain to prove you're alive. Miss your window, and your funds automatically split to your chosen beneficiaries, released on an optional vesting cliff you set per beneficiary. No lawyers. Just code.
01 · Hold Vault
Deposit & Hold
Your USDCx is custodied in a FlowVault Hold vault. Only your heartbeat keeps it in stasis.
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02 · Heartbeat
Prove You're Alive
Sign a check-in transaction every N days. Each pulse resets the deadman timer on-chain.
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03 · Split Vault
Automatic Succession
Miss the window and the keeper triggers a Split vault — routing funds to heirs by your exact percentages.
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04 · Lock Vault
Optional Vesting
Give any beneficiary a time-locked cliff instead of an instant payout — your choice, per beneficiary.
~$140B
Crypto lost to dead keys
3 / 3
FlowVault primitives composed
0
Lawyers required