Observed arrival · 2026-10-14
Send a Postcard turns a wallet address into a satellite pin
Credibility concern recorded. The source reference remains available for verification and correction.
The site says it maps each Solana address to a fixed point on Earth and collects satellite images of that spot as postcards.
- For
- Solana holders collecting place-linked satellite imagery
- Worth noticing
- It distinguishes 10 m Sentinel-2 land-and-coast scenes from daily 375 m VIIRS imagery, and says wallet sign-in signs a message, not a transaction.
Field notes
According to the site, an address is hashed to a point on the sphere, then matched against the Sentinel-2 archive; later scenes covering that point are added to a mailbox. It distinguishes Sentinel-2 land-and-coast imagery at 10 m from daily NOAA-20 VIIRS imagery at 375 m. The page says the pin is not the holder's location and that signing in signs a message, not a transaction.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue