Sumitomo Mitsui Banking and eight other companies announced on October 6 that they have completed the second phase of "Project Trinity," a proof-of-concept experiment to settle digital securities using stablecoins. The second-phase trials ran from April to September 2026 between Daiwa Securities and SBI Securities, using security tokens issued by SBI VC Trade and trust-type stablecoins issued by Sumitomo Mitsui Banking for the purpose of this verification. Assuming trading on the Osaka Digital Exchange's security token trading market "START," two transactions were settled. Progmat handled the issuance and management infrastructure for the security tokens, while Progmat and Datachain provided the technology linking security tokens and stablecoins on different blockchains. In the trials, in addition to purchasing and redeeming stablecoins and ordinary settlement, the participants also tested responses for cases where stablecoins were insufficient or transaction details did not match. The companies said the results met expectations within the anticipated scope, and explained that they have set a near-term goal of delivery-versus-payment settlement at T+2, two business days after execution, and have confirmed to a certain degree that this is achievable.