Work · alternatives · 2026

24 alternatives to ProofSnap - Digital Evidence

Stop document fraud with blockchain-verified web captures

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Proven – An alternative to Twitter's verified accounts, with HN support▲334
🔑✅ An alternative to Twitter's verified accounts powered by Keybase. - dschep/proven
2018 · github.com · its alternatives →
2
Proof.ink▲100
Proven immutable data stored on the Steem blockchain
2019 · proof.ink · its alternatives →
3
GetProofAnchor - verifiable web evidence▲3
Capture the web as verifiable, tamper-evident proof
May 2026 · getproofanchor.com · its alternatives →
4
Claimby▲107
Free legally-valid timestamps for your files, ideas & art.
2018 · claimby.com · its alternatives →
5
Proofmarked▲154
Cybersecurity for everyone. Just in time for Black Friday!
2023 · chromewebstore.google.com · its alternatives →
6
Versiobit▲83
Archives your files, versioned and audit-proof by Blockchain
2023 · versiobit.com · its alternatives →
7
Woleet▲73
Bitcoin-anchored proof that documents are authentic
May 2026 · woleet.io · its alternatives →
8
Zombie Delete▲89
Docusign for provable deletion - anywhere, everywhere.
Apr 2026 · zombiedelete.com · its alternatives →
9
yousaidthat.org▲63
Prove that you said things before anyone else
Jun 2026 · yousaidthat.org · its alternatives →
10
BlockFact▲5
Tamper-proof photos in 5 seconds—from capture to blockchain
May 2026 · blockfact.io · its alternatives →
11
DataTrails▲111
Content verification & misuse protection for Dropbox files
2023 · onid.co · its alternatives →
12
Blocknify▲71
Sign sensitive documents without sacrificing your privacy.
2018 · its alternatives →
13BT
btproof - trusted timestamping on the Bitcoin blockchain▲75
Find information, resources and relevant links for btproof.com. This domain may be for sale.
2013 · btproof.com · its alternatives →
14
Chainkit from PencilDATA▲69
Add blockchain integrity to your data and apps in 5 minutes
2018 · its alternatives →
15
HashCam▲8
AI can fake content. HashCam proves what’s real.
Mar 2026 · hashcam.io · its alternatives →
16
Stampd.io - A document blockchain stamping service▲32
Use the public blockchains to timestamp your files with indelible proof. Create non-fungible tokens (NFT) in Cardano.
2015 · stampd.io · its alternatives →
17
Blocksign, a Bitcoin service for legally signing any document▲17
Blockchain is a wonderful record keeper that can track every transaction that happens in the string.
2014 · blocksignit.com · its alternatives →
18
CryptoProof – post proofs to the Ethereum blockchain for free▲55
CryptoProof ran from 2018 to 2021, as a free timestamping service on Ethereum.
2018 · cryptoproof.org · its alternatives →
19VI
Verifying integrity of a website using the Blockchain and JavaScript▲6
2017 · sealed.website · its alternatives →
20
TimeProof▲5
Prove it existed. Permanently.
Jan 2026 · its alternatives →
21
I implemented gmaxwell's "solvency proof scheme"▲29
Proof of Solvency (PoS) is a scheme designed to let users verify the solvency of online websites which accept Bitcoin (or other similar currency) deposits (e.g. exchange websites, online wallets, gambling websites, etc.) in a way that doesn't compromise the privacy of users. - olalonde/proof-of-solv
2014 · github.com · its alternatives →
22
CBX▲2
The Future of Digital Evidence
Feb 2026 · cbx.app · its alternatives →
23
docuProof — Blockchain-Anchored Proof
Your file's alibi. Timestamped proof of any file, forever.
Mar 2026 · docuproof.io · its alternatives →
24
SBIX Certify▲13
✨ Instant legal proof-of-existence for any document.
Dec 2025 · certify.sbix.io · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →