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bal-docs/security-privacy.md
2026-07-24 23:32:53 -04:00

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Security & Privacy

UTXO consolidation caution

When you send the entire contents of a wallet, you risk losing the privacy of your UTXOs.

A good rule of thumb: execute the inheritance leaving a small remainder to another wallet, especially when there is only one heir. For example: 99.7% to the heir and 0.3% to a random Bitcoin address (e.g., taken randomly from a block explorer). This makes the transaction harder to interpret.

Same seed on multiple devices

Using the same seed on multiple devices is strongly discouraged. If you spend even a single satoshi from another device, you change the wallet's UTXO structure and invalidate the inheritance transaction — nodes will discard it.

Read-only (watch-only) wallets

If you monitor the wallet via Zpub/Xpub on other devices, funds received there are not automatically added to the inheritance. Open the wallet in Electrum with BAL so the plugin can update the UTXOs and re-send the will to the executors.

Wallet file vs. seed

The BAL inheritance data lives in the Electrum wallet file, not in the seed. Keep backups of the wallet file (File → Save backup) and do not lose the wallet password: restoring from seed recovers the funds but loses the inheritance configuration.

Will-executor privacy

Inheritance transactions stored on will-executor servers are not publicly accessible. Only your plugin can check their presence (right-click → Check in the WILL tab).

Backup transaction discretion

If you deliver an offline backup transaction directly to an heir, the heir learns the date and amount of the inheritance — consider whether that is prudent, or use a notary/trusted person instead.