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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: 905a201298e320623a7e3503
  4. #4Device enrolled@principal
    prev: 905a201298e320623a7e3503hash: 2352c0fcb41ed24ec13c92be
  5. #5Member added@chief
    prev: 2352c0fcb41ed24ec13c92behash: 7057319c31d63cec50dbbd7e
  6. #6Device enrolled@chief
    prev: 7057319c31d63cec50dbbd7ehash: dc006cf1ca0fac6e0299537e
  7. #7Member added@comms
    prev: dc006cf1ca0fac6e0299537ehash: cca659616796d567bd8eb430
  8. #8Device enrolled@comms
    prev: cca659616796d567bd8eb430hash: 92b385a1276cb57af11ddbaf
  9. #9Device enrolled@comms
    prev: 92b385a1276cb57af11ddbafhash: 85334cb84289162c3a44424b
  10. #10Member added@summit-lead
    prev: 85334cb84289162c3a44424bhash: 9e1725d7df2a1f9ec5db1d6e
  11. #11Device enrolled@summit-lead
    prev: 9e1725d7df2a1f9ec5db1d6ehash: afeaab4572668f0cacbe40d0
  12. #12Member added@security
    prev: afeaab4572668f0cacbe40d0hash: 61597690b8c0f3670d7c31d3
  13. #13Device enrolled@security
    prev: 61597690b8c0f3670d7c31d3hash: 151e21960d1b581cfcc14cf5
  14. #14Invite issued@scheduler
    prev: 151e21960d1b581cfcc14cf5hash: dced26fa42770e7a702aee63

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