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Algorithm Analysis: OKJ
OKJ is a regulated Japanese crypto exchange with a named legal entity and representative, a live app, and concrete Canton Coin support through order-book trading, brokerage, recurring purchases, and deposits/withdrawals. Its strongest dimensions are transparency and maturity due to regulatory registration, long operating history, and institutional structure. Documentation and quantified community/adoption signals are the main gaps, though the substantial description and live product still place it as a solid project.
Last analyzed: Oct 25, 2026
OKJ on Canton
Japanese regulated exchange that lists Canton Coin on its order book, brokerage, recurring purchase and deposit and withdrawal services, with a CC education quiz
About OKJ
OKJ is the crypto exchange run by OKCoin Japan K.K., the Japanese arm of OK Group, established in September 2017 and headquartered in Tokyo. It is registered as a crypto asset exchange service provider with the Kanto Local Finance Bureau (No. 00020) and is a member of the Japan Virtual and Crypto assets Exchange Association. It began spot trading in August 2020 as OKCoinJapan and rebranded as OKJ in August 2024, offering exchange and brokerage trading, recurring purchases, staking and crypto lending, without leveraged trading. On July 15, 2026, OKJ began offering Canton Coin through its order-book exchange, brokerage, recurring purchase and deposit and withdrawal services, the first order-book trading of CC in Japan, bringing its supported assets to 54. From August 28 to September 18, 2026, it ran a Canton Coin quiz campaign sharing 60,000 CC among participants who answered at least seven of ten questions correctly, plus 1,000 CC for each of ten drawn winners, 70,000 CC in total.
Features
What the product does
Canton Coin order-book trading
The first order-book trading of CC in Japan, available since July 15, 2026.
CC education quiz
A campaign from August 28 to September 18, 2026 sharing 70,000 CC among participants and drawn winners.
CC deposits and withdrawals
Send Canton Coin to and from external wallets.
Canton Coin brokerage
Buy and sell CC directly through OKJ's brokerage service.
Recurring CC purchases
Set up recurring purchases of Canton Coin.






