Certify your texts, ideas and files with a Bitcoin blockchain timestamp
Non-custodial multi-chain wallet with gasless stablecoin transfers
Stage
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Founded
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Based in
ES
US
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
23 blockchain networks support
Gasless USDT and USDC transfers
Built-in swap and bridge with 0x, Jupiter, Li.Fi
Batch transfers up to 200 recipients
Crypto point-of-sale system
Web3 browser with WalletConnect v2
NFT gallery
Token detection and fraud analysis
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
Only wallet offering gasless USDT on TRON without TRX
Stablecoin-first design for everyday money use
No KYC, no account, no sign-up required
Self-custody with private keys only on your device
Complete platform with built-in swap, bridge, POS and batch payments
Proxae
Vexo Wallet