Certify your texts, ideas and files with a Bitcoin blockchain timestamp
Professional scenario and risk analytics for self-directed crypto holders
Stage
Not given
Not given
Founded
Not given
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Based in
ES
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Pricing model
Freemium
Freemium
Pricing
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.
Free tier: $0 forever with all nine scenario engines and core features. Pro: $29 per 30 days or $250 per year. Premium: $49 per 30 days or $450 per year. All paid tiers are prepaid with no auto-renewal.
Key features
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
Monte Carlo scenario analysis
Nine scenario engine types
Risk Workbench with six investigation modules
Counterparty exposure decomposition
Scheduled alerts and reports
REST API and MCP server
AI-assisted portfolio analysis
Support for multiple exchanges
Manual and hypothetical portfolio entry
Portfolio tagging and segmentation
What makes it different
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
Non-custodial and read-only: never requests private keys, seed phrases, or signing capability
Professional risk analytics built specifically for individual crypto holders, not trading platforms
Deterministic risk engines exposed via API for integration with external tools and AI assistants
AI analysis adapted to user sophistication and risk tolerance
Free tier runs full analysis on real portfolios with no expiration
Proxae
Sentralis