bsv.cx
Foundational services, permanently anchored to Bitcoin. Everything here writes a compact, publicly-auditable record into an OP_RETURN — no trusted database row, no company that can quietly kill or edit it.
🔗 URL shortener
Short links whose code is derived from the URL itself and anchored on-chain — anyone can recompute and verify.
🔎 Explorer
Browse transactions, addresses, and blocks; bsv.cx anchors link back to their proofs.
🌐 Web-page archiver
Prove what a web page said at a moment in time — screenshot + HTML, hashed and anchored. The proof is forever; the snapshot is best-effort.
📄 Notary — proof of existence
Timestamp any file without revealing it — audio, video, images, documents, archives. Hashed in your browser; only the 64-char fingerprint is sent.
— or batch-timestamp thousands for one anchor (API) —
curl -X POST https://bsv.cx/n/batch \
-H 'content-type: application/json' \
-d '{"hashes":["<sha256hex>", "…"]}'
💳 Machine-payable APIs
Pay per call in BSV — no account, no signup, no card. An agent that needs one thing from one service can pay for it and move on. Every paid result comes with an on-chain receipt, so you can prove later exactly what you were given and when.