According to the source, CNBC reports Citi plans to launch crypto custody services in 2026, source: CNBC. This would add another major bank to institutional digital asset infrastructure alongside BNY Mellon, which began offering digital asset custody to select clients in 2021, source: BNY Mellon press release (Feb 2021). Traders should monitor regulatory approvals, supported asset scope, and client onboarding timelines because prior bank custody launches required regulator consent such as NYDFS oversight and defined which institutions could use qualified custodians, source: BNY Mellon press release (Feb 2021). Competitive implications extend to crypto-exposed equities and liquidity tracking BTC and ETH, as Coinbase currently serves as custodian for the iShares Bitcoin Trust (IBIT), making custody market share sensitive to new bank entrants, source: BlackRock iShares Bitcoin Trust prospectus.

According to the source, OpenEden states it offers onchain access to a TBILL fund with AA+ sovereign exposure and custody by BNY Mellon, and claims it is trusted by more than 200 institutions (source: OpenEden on X, Sep 30, 2025). For trading relevance, AA+ refers to the current U.S. sovereign rating level cited by major agencies, aligning tokenized T‑bill exposure with U.S. Treasury risk, which is central to RWA yield instruments onchain (source: S&P Global Ratings; Fitch Ratings).