BAC-L0-FOUND-112
Wallets, mnemonics and derivation
What a wallet actually holds — keys, never funds — and how twelve words generate a hierarchy of accounts.
- Level
- L0 — Foundation
- Duration
- 3 h
- Track
- Foundation
- Maintainer
- Developer Curriculum Architect
Learning objectives
- 01Explain hierarchical derivation from a seed
- 02Restore a wallet from its mnemonic phrase
- 03State the exact consequences of a compromised seed
Guided lab
Generate a seed offline, derive several accounts, restore on a different tool.
Independent lab
Write and test a realistic backup-and-restore procedure that works without specialised hardware.
Security angle
Key hygiene: what must never touch a disk, a clipboard or a conversation.
Assessment
Backup procedure assessed by a peer who must complete the restore by following the document alone.