G2 Vendor Directory

POK Proof of Knowledge vs. Blockchain Certified Data

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

MetricPOK Proof of KnowledgeBlockchain Certified Data
Avg. rating5.04.8
Total reviews3944
Review growth (QoQ)-100.0%-100.0%
Products on G211
Categories covered31
Best category rank#1 in Blockchain Platforms#9 in Digital Credential Management
Small Business44.7%31.8%
Mid-Market52.6%50.0%
Enterprise2.6%18.2%