Discovery comes before cryptography
A perfect backup is useless to heirs who do not know it exists or cannot identify the wallet. Create an inventory that explains the type of custody, approximate purpose, responsible contacts and where instructions are held. It need not expose a public balance or put a seed phrase in an ordinary document.
A will can establish legal authority, but legal words do not recreate lost keys. Conversely, possession of a key may enable a technical spend without resolving ownership duties. The legal and technical plans must agree while remaining appropriately separated.
Document the complete recovery set
Record whether the wallet is single-signature or multisig, its seed or backup format, any passphrase, output type, derivation or descriptor data, and the required software or devices. Do not assume a brand name and twelve words explain every future recovery step.
Separate information so that theft of one envelope or compromise of one person does not immediately reveal everything, but avoid a puzzle so complicated that authorised recovery fails. Multisig can divide authority more cleanly than homemade splitting, provided the policy and keys are correctly backed up.
- how the wallet is discovered
- who is authorised and under what condition
- which secrets and configuration reconstruct access
Rehearse without revealing the main secret
An intended heir or executor should understand the process before a crisis, using a demonstration wallet and small amount if necessary. Verify that instructions are legible, locations remain accessible and compatible recovery software can be identified. Record whom to contact for technical and legal help without giving that helper unilateral spending power.
Review the plan after changing wallet, passphrase, signer, residence or family circumstances. A stale instruction pointing to a discarded device can be worse than no detail because it creates false confidence.
Balance early theft against permanent loss
Giving one person a complete seed today simplifies future access but allows spending today. Timed instructions, institutional custody or multisig with an executor can alter that balance, yet each introduces dependencies, costs and legal considerations. There is no universal scheme for every household.
Inheritance, probate and tax rules depend on jurisdiction and can change. Use qualified local legal advice for ownership and reporting questions. The technical goal is narrower: ensure that the legally authorised process can eventually assemble the exact data needed, and that no unauthorised person can do so too easily beforehand.