Prove a real-world action. Get paid on-chain.

Pará, Brazil · concession PA-7·±120m

Ground-truth illegal deforestation - Amazon Sector 7

Capture geo-locked photographic evidence of active clearing inside a protected concession boundary.

2/12 proofs verified17%

Reward / proof

42 SOL$7,073

Closes

Wildtrace Conservancy

Wildlife

Endangered species sighting log - Snow Leopard

Submit attested, time-stamped sighting evidence inside the surveyed range for population modeling.

Hemis NP · Ladakh·±500m

0/5 proofs verified0%

Reward / proof

26 SOL$4,378

Closes

Blue Sentinel Research

Field Research

Coral Sea · transect 12·±40m

Coral bleaching survey - reef transect

Capture sensor-logged imagery along a fixed underwater transect for bleaching index calibration.

0/8 proofs verified0%

Reward / proof

22 SOL$3,705

Closes

TerraProof Collective

Environmental

Kenya Highlands · plot R-22·±60m

Reforestation grant - sapling verification

Verify planted saplings at grant coordinates to release carbon-credit milestone funding.

Sierra range · incident SNF-114·±200m

1/20 proofs verified5%

Reward / proof

18 SOL$3,031

Closes

GlobalRelief Network

Disaster

Verifying

Wildfire perimeter ground-truth capture

Capture attested imagery at active-fire perimeter waypoints to calibrate satellite spread models.

2/25 proofs verified8%

Reward / proof

16 SOL$2,694

Closes

GridLink Energy

Infrastructure

Bay Area corridor · 40 sites·±15m

EV charger commissioning audit - 40 sites

Attest that installed DC fast chargers are physically present and powered at each grid coordinate.

2/40 proofs verified5%

Reward / proof

14 SOL$2,358

Closes

GridLink Energy

Infrastructure

Hill Country · tower grid·±5m

Cell tower structural inspection - 15 towers

Confirm physical inspection occurred at each tower base with attested imagery and altitude data.

Sindh Province · relief zone 4·±25m

1/15 proofs verified7%

Reward / proof

11 SOL$1,852

Closes

GlobalRelief Network

Disaster

Verifying

Flood damage attestation for relief disbursement

Verify standing flood damage at registered households to auto-release emergency relief funds.

3/60 proofs verified5%

Reward / proof

9.20 SOL$1,549

Closes

Northgate Public Works

Civic

District 9 · Northgate·±8m

Verify completed pothole repairs - District 9

Confirm 24 work-order locations show completed asphalt repair before contractor payment is released.

3/24 proofs verified13%

Reward / proof

6.50 SOL$1,095

Closes

TerraProof Collective

Environmental

Gulf Coast · ship channel·±30m

Air quality reading - industrial perimeter

Log calibrated air-quality sensor readings at fence-line coordinates during operating hours.

2/48 proofs verified4%

Reward / proof

5.50 SOL$926.00

Closes

Northgate Public Works

Civic

Northgate · 14th & Broadway·±6m

Public mural completion verification

Confirm the commissioned mural is complete at the registered wall coordinate before final payment.

0/1 proofs verified0%

Reward / proof

4.20 SOL$707.00

Closes

ColdChain Labs

Supply Chain

Nairobi · Kibera clinic·±12m

Last-mile cold-chain vaccine delivery proof

Attest that a temperature-logged vaccine shipment reached the destination clinic intact.