DURNWICKCRYPTOGRAPHIC FIELDWORK COMPANY
A little deeper.PRIVATE SURVEY · THREE BRANCHES · NOTHING FOR SALE
THE NEXT STRATUMNo. 000001SHA-256 · FREE TO EXPLORE
ASSAY OFFICE / PLATE III

Check the proof yourself.

Recompute the SHA-256 hash on a specimen receipt. The input and target are part of the record.

Receipt inspection

The grade scale

TRACE

Target met, plus zero or one extra zero bit.

2 credits
RICH

Two to four extra leading zero bits.

4 credits
EXCEPTIONAL

Five or more extra leading zero bits.

8 credits

Grade is a game classification. Credits calibrate your lens and have no cash value. Proof verification alone does not establish ownership or on-chain issuance.