Simple pricing. Real cryptographic proof.
Start with 10 free seals a month — 20 your first month. Pay $2.99 per seal beyond that, or subscribe and save up to 95% per seal.
Free
Free
10 a month — doubled to 20 your first month
10 / month
20 your first month. No credit card. Identity verified at seal 3.
Beyond your monthly free seals: $2.99/seal pay-per-seal or upgrade.
- ✓ Bitcoin anchor + RFC 3161 + Ed25519
- ✓ Owner-name bound to the Bitcoin hash
Most popular
Pro
$19.99/mo
Casual creator
100 seals / month
$0.19 per seal · 93% off PPS
Break-even at 7 seals/mo vs pay-per-seal.
- ✓ Bitcoin anchor + RFC 3161 + Ed25519
- ✓ Owner-name bound to the Bitcoin hash
- ✓ Branded PDF certificate
- ✓ Embeddable proof badge
- ✓ Overage at $2.99/seal — never stuck
Studio
$49.99/mo
Prolific creator
300 seals / month
$0.16 per seal · 94% off PPS
Break-even at 17 seals/mo vs pay-per-seal.
- ✓ Bitcoin anchor + RFC 3161 + Ed25519
- ✓ Owner-name bound to the Bitcoin hash
- ✓ Branded PDF certificate
- ✓ Embeddable proof badge
- ✓ Overage at $2.99/seal — never stuck
Premium
$99.99/mo
Power user / small business
1000 seals / month
$0.09 per seal · 96% off PPS
Break-even at 34 seals/mo vs pay-per-seal.
- ✓ Bitcoin anchor + RFC 3161 + Ed25519
- ✓ Owner-name bound to the Bitcoin hash
- ✓ Branded PDF certificate
- ✓ Embeddable proof badge
- ✓ Overage at $2.99/seal — never stuck
All paid tiers include unlimited public verify URLs. Cancel anytime; quota stays available until period end.
All prices in USD. Stripe-secured. No fine print.