BSV · BRC-100 · nLockTime

If you go silent, the people you named still get what you meant them to have.

DeadmanSwitch seals a testament as a 1Sat Ordinal. Credentials never leave this browser in plaintext. A Bitcoin nLockTime transaction watches your heartbeat. Miss the Reset button, and heirs are notified by email and with a small payment to any Bitcoin address they already use.

Compose a sealed will $4.99 / month

This is not a legal will and does not replace probate. It is a dead-man's switch for a sealed digital packet.

Encrypted on-chain

The NFT holds ciphertext plus wrapped keys. The operator never sees passwords. Heirs decrypt with a Yours identity key or a recovery passphrase you share out of band.

Any Bitcoin address

Heirs who do not use Yours can still be pinged. The fire transaction pays a notification output to a legacy BSV address — ElectrumSV, HandCash, or anything that watches that address.

A button you must press

You choose 30, 90, 180, 365 days, or a custom interval. We email you before nLockTime. Press Reset and the old fire transaction is invalidated by spending the heartbeat UTXO.