U.S. Official No. 1359752
Not yet on Master's MateOn the American registry, PROOF OF WORK is an 11.9-metre recreational vessel. She has a 3.9 m beam and a draft of 2 m. Officially she's U.S. official number 1359752. Claim PROOF OF WORK free and let the Master's Mate Safety Initiative Network keep an eye on her, on the water or off.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put PROOF OF WORK on the map. It hands you the full bridge:
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