Audit trail

Every change in one chain, anchored daily in Bitcoin — a record nobody can quietly rewrite.

  • Audit-ready
  • Risk reduced
  • Transparent
  • Traceable

What you get

  • Written with the changeAudit row and record in one transaction, or neither.
  • Chained by hashA break shows at the first bad row.
  • Verifiable without usCSV, a verifier and the format: SHA-256 is all it takes.

#2041 · Anna Visser signed September 2026

prev 5d0e…c27ahash 9f2c…41ab

#2042 · Sanne Mulder approved the month

prev 9f2c…41abhash 3b9a…d41c

#2043 · Finance locked September 2026

prev 3b9a…d41chash e71f…08b5

The day’s tip e71f…08b5time-stamped through OpenTimestampsBitcoin block 966 512

How it works

  1. 1

    A change happens

    Who, when, what, the amounts.

  2. 2

    The row joins the chain

    Each carries the hash of the one before.

  3. 3

    The day’s tip is anchored

    Time-stamped in Bitcoin through OpenTimestamps.

Product

See it on your own kind of project

Half an hour, in Dutch or English, with the people who build it.

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