How it works
Delete the data.
Keep the proof.
Every compliance event is encrypted, chained, and independently verifiable. On erasure, the key is destroyed. The audit remains.
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01 · seal
Every matter event, encrypted in place
Client identifiers, fee-earner time, trust-account entries. Each field is sealed with a unique AES-256 key, wrapped under a master key the firm controls.
02 · chain
Every record links to the one before it
SHA-256 hash chain. Tampering with any record, even years later, breaks every downstream hash and is instantly detectable.
03 · erase
Delete the data. Keep the proof.
On an Article 17 erasure request, the wrapped key is zero-filled. The payload becomes mathematically unrecoverable. The audit chain still verifies.
Matter file · audit event
record 0x8a3f
Matter ref
2025-118 / HARTWELL, E
Fee earner
J. Chen (Senior Associate)
Practice area
Matrimonial
Client DOB
14 March 1967
Client address
41 Belsize Park, NW3 4EL
ID verification
Passport 548104321 · 19 Aug 2025
Source of funds
Sale proceeds · Barclays ****8821
Advice given
Financial settlement, Form E draft
Time recorded
4h 20m · 22 Aug 2025
Trust balance
£12,400.00 (held)
4f9a2e8b1c7d5036 a1e3f89b04c7dd21 ee02fa8341d9
8e0c6b2a9f3d1540 7c5b8a2d1e9f3a06 b3c19d2f74a0
b2d7e901f64a3c85 9e3d8b72a0c6f14d 8a71cd92045b
d1f5b7c8a293e40f 6a2c5e89d01b7f3a 3f0a7d182e91
c04f7e9d3b182a6c e582d17f9a4b0e3c 90b2f1a3cd48
7d1b38ce620f4a5e 48d9c7a1f2e60b35 ce2af40381d7
a62c9b0f7e51d384 31c7e09d4a58f2b0 4d9f182caf76
e830f1c97a524bd6 2580b1e4acdf9370 a95fc20e7146
5b84f2a1e60c3d79 d71a28b3f0e95c4d 61e4a3f80b29
f2e6d38a71094bc5 0c83e9a7d1f4b268 23c7f08eb914
sha256 · 72fa72fa72fa72fa72fa72fa
sealed · AES-256-GCM
#001
dc54dc54dc54
prev:genesis
#002
4dc54dc54dc5
prev:dc54d
#003
be36be36be36
prev:4dc54
#004
2fa72fa72fa7
prev:be36b
#005
901890189018
prev:2fa72
#006
018901890189
prev:90189
#007
72fa72fa72fa
prev:01890
attempted modification at record #003
→ every downstream hash now fails verification
Article 17 erasure request · record #004
#001
901890189018
prev:genes
#002
018901890189
prev:90189
#003
72fa72fa72fa
prev:01890
#004
e36be36be36b⁂⁂⁂⁂⁂⁂⁂⁂⁂⁂⁂⁂
prev:72fa7
#005
54dc54dc54dc
prev:e36be
#006
c54dc54dc54d
prev:54dc5
#007
36be36be36be
prev:c54dc
zero-filling wrapped key · #004destroying nonce
destruction certificate issued · signed · timestamped
Independent verifier · 22 Aug 2025 15:47 UTC
chain integrityPASS · 7/7 hashes verifyrecord #004 payloadUNRECOVERABLE · key destroyedaudit trailINTACT
Audit immutability. GDPR erasure.
At the same time.
Built for SRA-regulated firms. Clio-integrated. Protocol-level. Currently onboarding design partners.