Certify your texts, ideas and files with a Bitcoin blockchain timestamp
Stage
Not given
Not given
Founded
Not given
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Based in
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ES
Pricing model
Freemium
Freemium
Pricing
Goals start from $5. Users lock USDC amounts of their choice to their goals.
Free plan: €0, includes unlimited Bitcoin certification, shareable proof links, REST API, and 3 web page captures per day. Pro plan: €4.90/month, adds RFC 3161 timestamping, eIDAS qualified certificates, official PDF certificates, 20 web page captures per day, and identity verification.
Key features
Lock USDC to personal goals
Daily check-ins to track progress
Verifiers witness your work
Automatic return of funds on goal completion
Charitable donation on goal failure
Self-custodial embedded wallet via Coinbase
No seed phrases or gas fees
Bitcoin anchoring via OpenTimestamps protocol
SHA-256 fingerprint computed locally in browser
REST API for integration and automation
RFC 3161 qualified timestamps for European legal recognition
eIDAS-qualified PDF certificates from Sectigo
Web page capture and archiving
Optional identity verification via Stripe Identity
Webhook notifications for proof confirmation
Independent verification via opentimestamps.org
AES-256-GCM encryption for Pro stored content
What makes it different
Financial consequence for breaking commitments
Charity donation replaces financial loss
Simple onboarding without seed phrases
No trusted third party required—proofs remain verifiable forever without Proxae
Original content never leaves your device—only cryptographic fingerprint is transmitted
Mathematically immutable—proof dates cannot be modified without invalidating Bitcoin blockchain
Lockin
Proxae