KDDI, auCoincheckDigitalAssets and HashPort launched αUwallet as a mini app within the au PAY mobile payment app, with KDDI confirming the integration and related announcement on September 30, 2026. The wallet lets users exchange Ponta points for WBTC, ETH and the yen-denominated stablecoin JPYC, purchase cryptocurrencies through Coincheck accounts and convert holdings into au PAY balance for spending at participating merchants nationwide. The disclosure also emphasized compliance, security, liquidity and continued technology upgrades as digital-asset services expand into broader institutional frameworks.