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Halo

Key transparency
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Key transparency ledgerAn append-only, hash-chained log of every trust event (members, devices, invites). Each entry commits to the one before it, so the full history can't be altered, reordered, or pruned without detection. It contains no message text and no private keys — anyone holding it can re-verify the chain.

Every membership and key event is appended to a hash-chained ledger. Each entry commits to the one before it, so the full history cannot be altered, reordered, or pruned without detection.

ledger.verify
$ halo verify --ledger --full
genesis: 0000…0000
entries: 14
result: INTACT ✓

INTACT means every entry's hash still matches its contents and the link to the entry before it. Recompute it yourself from a downloaded copy.

Ledger(14 of 14 entries)

  1. #1Network created@halo
    prev: 000000000000000000000000hash: 6e3c1bdbd9eb70d996022c17
  2. #2Member added@principal
    prev: 6e3c1bdbd9eb70d996022c17hash: 3675015fa6f8ce88168b626c
  3. #3Device enrolled@principal
    prev: 3675015fa6f8ce88168b626chash: acd142235e4a537453f01707
  4. #4Device enrolled@principal
    prev: acd142235e4a537453f01707hash: 46773a61465e80230d1a4886
  5. #5Member added@chief
    prev: 46773a61465e80230d1a4886hash: 98122c123d3ce2bb0ff549c2
  6. #6Device enrolled@chief
    prev: 98122c123d3ce2bb0ff549c2hash: 82f46c2563bedcaa4771d95b
  7. #7Member added@comms
    prev: 82f46c2563bedcaa4771d95bhash: 4e934bd877283a982233fbea
  8. #8Device enrolled@comms
    prev: 4e934bd877283a982233fbeahash: 8d6f621d4901fe768d00eaa5
  9. #9Device enrolled@comms
    prev: 8d6f621d4901fe768d00eaa5hash: 2b94808658004239d30a0c76
  10. #10Member added@summit-lead
    prev: 2b94808658004239d30a0c76hash: 14cc986a1780f6cf3a315d12
  11. #11Device enrolled@summit-lead
    prev: 14cc986a1780f6cf3a315d12hash: 22830127155c902b1ffb3277
  12. #12Member added@security
    prev: 22830127155c902b1ffb3277hash: 1e9436710cb2635d3e250501
  13. #13Device enrolled@security
    prev: 1e9436710cb2635d3e250501hash: 88f1a6d4056f46a0717a22bc
  14. #14Invite issued@scheduler
    prev: 88f1a6d4056f46a0717a22bchash: 24563f80360985d953c246c1

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