Make the map current
Pay and the site re-witnesses the USGS feed and anchors a new fingerprint on Bitcoin BSV within about a minute.
Send exactly
to
The exact amount is how we know the payment is yours, so don't round it. Open in a wallet app
Unlock to pay
Each BSVKey site asks once per browser tab: sites share your address, never your key. It stays unlocked here for 15 minutes of activity.
This code works until . You can close this window; your payment is still picked up.
Your privacy: no name, email or account. Your receipt is shown only on this device, and the site never publishes who paid. A wallet key you load stays in this browser tab. Like any Bitcoin BSV payment, the transaction itself is public on the blockchain.