Northwind Insurance · Prod

Hash API

Pilot

Anchor a SHA-256 on chain and get a proof that verifies without us. Two endpoints: write to anchor, read to collect the proof once mined.

141 anchors with a proof you have never collected

The proof is assembled when you read the record, and it is what verification rests on years from now. Nodes may prune historical transaction data, so an anchor whose BEEF envelope you never stored may not be provable later. Fetch them and keep them with the records they prove.
Anchors this period
3,727

of 10,000 included

On course for
7,722

48% through the period

Overage
$0.00

inside the allowance

Proofs outstanding
141

collect and store these

Allowance

3,727 of 10,000 anchors written37%

The period runs to 22 Aug 2026. At the current rate you finish inside it. Anchors beyond the allowance bill at $0.30 each against credits rather than failing.

Anchors

10,665 in Prod. Filter by the context tag you set on write.