Alternatives

Products that do what POK Proof of Knowledge does

Global platform for issuing verifiable digital credentials.

1
DL3ARN▲234
Digitize & verify credentials in the blockchain
2023
2
Smart Diploma▲193
Blockchain verification platform for Diplomas & Certificates
2017
3
OpenBox▲171
See, verify, and govern every agent action.
Apr 2026 · openbox.ai
4
ZeroKit▲293
Breach-proof user auth & end-to-end encryption SDK in one
2017
5VA
Vekos – a Rust OS with Built-In Cryptographic Verification▲82
VEKOS(Verified Experimental Kernel OS) is a Rust-based experimental kernel that focuses on runtime verification and security. Every filesystem operation and memory allocation generates cryptographic proofs that can be verified in real-time, ensuring system integrity. Think of it like a blockchain for OS operations rather than just storage verification. Key features: - Merkle tree-backed filesystem with operation verification - Memory manager with CoW and proof generation - Buddy allocator with zone-based memory management - Shell with VT100 support - Verified boot sequence with stage…
2024 · github.com
6
YubiKey 5Ci▲129
Security key with dual support for USB-C and Lightning
2019
7
Dentity▲195
Build trust online
2024
8
Certo – An open source platform to deliver Open Badges▲17
Certo is open-source infrastructure for issuing, managing, verifying, and exchanging digital credentials. It implements Open Badges 3.0[1] and W3C Verifiable Credentials[2] which are the open standards that make credentials portable, machine-verifiable, and vendor-independent. It is designed to be: - Self-hosted: run it inside your own infrastructure, air-gapped network, or sovereign cloud - Standards-compliant: credentials it issues work with any OB3/VC-compatible system - API-first: everything the UI can do, the API can do - Exportable: your data is always yours, in open formats -…
Aug 2026 · github.com
9SA
StealthDrop – Anonymous crypto airdrops using zero-knowledge proofs▲105
Hi HN, We (myself, Adhyyan1252 and yush_g) are undergrad students that hacked out this side project last month during Hack Lodge[1] (the ideas and many of the underlying circuits for which came from the 0xPARC community[2])! We’re extremely excited to share this new primitive. Besides the technical challenges building this project that folks here would find interesting (fixing the ZK proof compiler, modifying nodeJS V8 params etc.), we think this is a very novel use case for ZK tech, and ECDSA inside ZK-SNARKs is a starting point that unlocks many other ideas! :D A summarized version of our…
2022 · github.com
10SV
Seal – Verifiable timestamp for your private ideas▲113
2022 · docs.planet.ink
11
BlockRight▲102
Decentralized copyright registration platform
2019
12
Certopus▲70
Design & deliver verifiable certificates
2022
13AV
A virtual Yubikey device for 2FA/WebAuthN▲166
2022 · github.com
14BC
Blockchain Certification Protocol▲24
2015 · github.com
15
Wauld▲115
Design • Issue • Track - Digital Certificates and Badges
Dec 2025
16
Utilo▲74
An incentivized knowledge sharing platform.
2019
17
Didit v3▲110
One platform for KYC, biometrics & fraud. 70% lower costs.
Mar 2026 · didit.me
18
Knowledge Token▲64
Store your knowledge on blockchain
2022
19
VerifiedCreators▲87
Non-KYC Identity Verification Platform for Creators
2021
20
Blockusign▲93
Secure Document Signing & Verification Powered by Blockchain
2018
21
Trustroot▲85
Fraud and theft protection for cryptocurrency
2018
22
Proof Crater▲5
ZK-powered vault for anonymous payouts and state snapshots.
Jan 2026
23
DgVerse▲27
Credentials Made Easy: Secure, Shareable, and Verified
2025
24
QRAuth▲4
Open Source, Identity Verification Platform
May 2026 · qrauth.io

Ranked by how close each launch is in meaning, then by votes. Refine with a description →