ProofStamp͘

Private Data. Public Proof.
By @sashabaksht

[ProofStamp͘ @proofstamp_org]

The last decade: mine SHA-256 hashes for profit.
The next decade: anchor SHA-256 hashes for trust.
Same primitive. Bigger mission.
Verify, Trust.

[ProofStamp͘ @proofstamp_org]

A PDF can look exactly the same and still contain changes.

SHA-256 gives us a simple way to check whether a file has changed, using its digital hash.

And the best part? Anyone can repeat the check independently.

We added a small interactive experiment to our article. Try changing one character or uploading a file. Everything runs in your browser, and your files stay on your device.

No need to take our word for it. Try it yourself:

https://t.co/SabXkYPqnG

[ProofStamp͘ @proofstamp_org]

@getblockio @GetVasily Congrats!

[ProofStamp͘ @proofstamp_org]

https://t.co/8tpSYMkRld

[ProofStamp͘ @proofstamp_org]

2 minutes read
https://t.co/OM0ugDgJXb

[ProofStamp͘ @proofstamp_org]

What if nonprofits published independent proof with their annual reports, without anyone asking?
If a report changes later, donors and auditors could verify the exact earlier version and when it existed.
No need to take anyone's word for it👇

[ProofStamp͘ @proofstamp_org]

@SpellbookLegal Congrats!
Would be useful to have independently verifiable contract versions at key steps, especially when someone needs to audit the history later.

[ProofStamp͘ @proofstamp_org]

@inference_labs Contracts, receipts, business records. We should be able to verify them ourselves, without depending on whoever issued or stores them.
That should be standard.

[ProofStamp͘ @proofstamp_org]

Ever been told, “That's not what our records show”?
Hard to argue when the other side controls the records.
That's why independent verification matters.
https://t.co/lLth1g2EI0

[ProofStamp͘ @proofstamp_org]

A customer avoided a $1,800 repair bill because the dealer’s own logs showed the problem had been reported under warranty.
Better: keep your own verifiable record too.

[ProofStamp͘ @proofstamp_org]

@Darligreat001 @gakonst @tempo sure

[ProofStamp͘ @proofstamp_org]

@benblumenrose Passkeys are awesome, finally made DLT usable for normies

[ProofStamp͘ @proofstamp_org]

A photo of damage tells you what someone photographed.
It doesn't necessarily tell you when the damage happened.
That's why independently timestamping inspection photos at handover matters.

[ProofStamp͘ @proofstamp_org]

@usewisp_io solid claim

[ProofStamp͘ @proofstamp_org]

link
https://t.co/9oADzB1f6T

[ProofStamp͘ @proofstamp_org]

The legal file survived. The software didn't.
Can someone still verify that exact version existed years ago, without access to the original system?
The proof should travel with the file👇

[ProofStamp͘ @proofstamp_org]

https://t.co/lLth1g2EI0

[ProofStamp͘ @proofstamp_org]

Trust Is the Invisible Infrastructure of Civilization

[ProofStamp͘ @proofstamp_org]

@AirbnbHelp To bring more visibility and trust allow your users proofstamp important records.

[ProofStamp͘ @proofstamp_org]

ChatGPT can make mistakes. Check important info. ProofStamp what matters.