Arcade · learn by playing

Games you can win.

Each game drills one idea from the codex with real Pearl data. Five minutes each, no sign-up, and your best scores stay in this browser.

Easy · 8 min Byte Detective Name every byte of a real block header, then catch the tampered one The six fields of the 108-byte header, in order Play
Medium · 6 min Ticket Hunter Race a rival miner to three blocks with Pearl's real mining steps, shrunk to toy size How matrix work turns into BLAKE3 lottery tickets Play
Medium · 8 min Difficulty Pilot Keep Pearl's 194-second heartbeat steady through hashrate shocks How difficulty and hashrate set the time between blocks Play
Medium · 7 min Verify or Bust Catch the provers who lie about a matrix product, on a budget Checking a product can cost far less than computing it Play
Easy · 5 min Checksum Catcher Sort addresses before the clock runs out, and let the checksum catch the typos What a bech32m checksum catches, and what it can't tell you Play