Certify your texts, ideas and files with a Bitcoin blockchain timestamp
Cryptocurrency market data and analysis platform with exchange intelligence and trading calculators
Stage
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Founded
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Based in
ES
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Pricing model
Freemium
Free
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.
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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
Exchange fee comparison tool
Position size calculator
Average entry price and breakeven calculator
Linear P&L calculator
Kimchi Premium monitoring
Fear and Greed Index
Cryptocurrency market cap rankings
KRW spot price comparison
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
Compares actual fees across multiple exchanges under identical conditions
Shows data sources and timestamps for transparency
Distinguishes objective data from analysis and interpretation
Covers major global exchanges with structured comparison
Proxae
CoinPop