Proxae vs Naxos

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Proxae compared with Naxos
Detail	Proxae	Naxos
What it does	Certify your texts, ideas and files with a Bitcoin blockchain timestamp	Institutional-grade prediction market data, arbitrage intelligence, and cross-venue order book normalization
Stage	Not given	Not given
Founded	Not given	Not given
Based in	ES	Not given
Pricing model	Freemium	Not given
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.	Hobbyist: Free ($0/month) with 30 req/min rate limit and 24h lookback. Quant Pro: $30/month (billed monthly) or $24/month (billed annually, save 20%) with 180 req/min, 90-day archives, and 1M rows/day export. Institutional: $100/month (billed monthly) or $80/month (billed annually, save 20%) with 60
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	Millisecond L2 reconstruction with dual timestamping Settlement fungibility scoring (0–100) Cross-venue canonical pair matching and symbology Real-time WebSocket feeds and REST API endpoints Event-driven backtesting engine with latency modeling Python and TypeScript SDKs Parquet tick archive downloads Market metadata and settlement provenance catalog
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	Covers seven prediction market venues in a single normalized API Quantifies settlement risk with 0–100 fungibility scoring on oracle divergence and cutoff mismatches Eliminates backfill problem with continuous millisecond-level historical L2 reconstruction
Community votes	0	0
DR (Domain Rating by Ahrefs)	38 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	21	0
Citation Flow (Majestic)	32	0
Referring domains (Majestic)	32	0

4 details filled in for both companies.

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