Reusable Proof of Work
Homage to Hal Finney's 2004 RPOW · SHA-256 in your browser · capped at 21,000,000.
miner
idle
best so far: 0 / 4 leading zerosdifficulty target · 4 zeros
SHA-256(challenge : wallet : nonce)—
hashes / sec
0
target
4 zeros
blocks
0
earned
0
tried 0 hashes
found blocks
no blocks yet — start mining
Issuance curve
supplydifficulty
minted
0
blocks
0
difficulty
4 zeros
remaining
21,000,000
Your balance
0RPOW
mined: 0
Circulating supply
0/ 21,000,000
Top miners
live
No miners yet — be the first.
Each attempt computes sha256(challenge:wallet:nonce). Difficulty grows by one zero per million coins minted; block reward halves every 5.25M.