KDDI to buy 14.9% of Coincheck for $65M, bringing 72 million mobile subscribers into Japan's crypto market!

Japan's second-largest telecom operator, KDDI, is acquiring a 14.9% stake in Nasdaq-listed Coincheck Group (CNCK) for $65 million, subscribing for 28.5 million newly issued shares at $2.28 each. The deal is expected to close in June, with KDDI also securing the right to nominate a non-executive director to Coincheck's board at the September AGM.

The two companies simultaneously signed a business alliance covering customer referrals, revenue sharing, and referral fees — effectively routing KDDI's 72 million mobile subscribers toward Coincheck's trading, custody, staking, and asset-management services. That distribution footprint is the real prize: Coincheck gains a consumer acquisition channel that no organic marketing budget could replicate.

KDDI has been building its Web3 stack since 2023, when it launched the αU metaverse and NFT marketplace, and later deepened its position through…