Sui to Make All Stablecoin Transactions Private by Default in Massive Update

Sui will implement private transactions for stablecoin transfers by default, addressing institutional concerns about public transaction visibility. The change aims to remove market friction and support mass adoption through 0-fee stablecoin transfers. Privacy is currently being tested and will later expand to additional asset types, including stocks, bonds, and crypto. The approach limits on-chain visibility so that only the sender and receiver can observe funds sent and received, while other data is not shared. Regulators and issuers will still have transparency into token usage, unlike total-privacy schemes that restrict visibility even for oversight. Protocol-level controls are intended to support on-chain issuance of bonds, stocks, and real-world assets.

"Sui announced stablecoin transactions will soon be private by default, solving a key institutional hurdle. Eliminating a major market friction point, Sui enabled 0-fee stablecoin transfers to boost mass adoption. Currently testing, Mysten Labs will next expand this privacy to 3 assets: stocks, bonds, and crypto."

"Adeniyi Abiodun, co-founder of Mysten Labs, explained that while traditional networks protect transactional history by withholding information and maintaining secrecy, blockchain networks, due to their design, cannot operate similarly. Sui's privacy rollout would make all stablecoin transactions private by default, protecting users who mainly leverage these assets for payments from having their entire payment history revealed to third parties."

"Abiodun declared that only the sender and receiver will be able to observe the funds sent and received, with no other data being shared. He also disclosed that Sui's privacy approach would allow regulators and issuers to have transparency on what users are doing with their tokens. This is different than traditional privacy schemes that impose total privacy, even for regulators and issuers."

"The feature is already being tested and will be expanded to stocks, bonds, and even crypto assets at a later date, Abiodun explained. In April, Abiodun referred to the institutional interest that such a move might awaken. Companies that want to issue bonds, stocks, or RWAs on chain need issuer-controlled visibility. They need to decide that only sender, receiver, and maybe a regulator can see the details."

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