SUI Price Rises 5% as Sui Launches Confidential Transfers Public Beta

TLDR

• Sui launched confidential transfers in public beta on Devnet.
• The feature encrypts transfer amounts and wallet balances onchain.
• Sender, receiver, token type, and timestamps remain visible.
• Auditor keys allow approved parties to access encrypted data.
• SUI rose nearly 5% after the confidential transfers launch.

Sui has launched public testing for confidential transfers, introducing a privacy feature that encrypts balances and transfer amounts while keeping selected transaction details visible for audit and compliance purposes.

The feature is now available in public beta on Sui Devnet, according to an announcement published on June 8. A Testnet release is planned later this year. The rollout gives developers, stablecoin issuers, payment firms, and compliance providers a chance to test encrypted financial transfers on the network before wider deployment.

SUI rose nearly 5% following the announcement, although the token remained below key resistance levels on higher-timeframe charts. The move came as traders assessed whether the privacy feature could support broader institutional use of the Sui blockchain.

Sui Adds Privacy Layer for Onchain Transfers

Confidential transfers on Sui allow token issuers to activate a mode that hides wallet balances and transfer amounts from public view. Sender addresses, receiver addresses, token types, and transaction timestamps remain visible onchain.

The design is intended to protect sensitive financial information without fully removing public accountability. On most public blockchains, transaction amounts and wallet balances are visible to anyone. For businesses, that can expose payment flows, treasury movements, commercial relationships, and operational activity.

Sui’s model uses Twisted ElGamal cryptography on Ristretto255, along with zero-knowledge proofs, to confirm transaction validity without revealing the amounts involved. The system can verify that transfers are correct, prevent overdrafts, and block unauthorized token creation while keeping values encrypted.

Mysten Labs, the company behind Sui, said the code has been released as open source on GitHub. The company also said the implementation remains unaudited and should be treated as a work in progress during the public beta phase.

The privacy feature does not make every part of a transaction hidden. Instead, it separates confidential data from visible data, allowing blockchain activity to remain traceable while protecting transfer values and balances.

Auditor Access Sets Sui Apart From Privacy Coins

Sui’s confidential transfers include issuer-controlled audit tools. Authorized parties can receive auditor keys that allow them to decrypt balances or review transaction amounts when required under defined policies.

That structure differs from privacy coins such as Monero, which aim to conceal senders, receivers, and transaction values. Monero uses privacy tools including ring signatures, stealth addresses, and Ring Confidential Transactions. Because outside parties generally cannot access transaction information, Monero has faced exchange delistings linked to compliance concerns.

Sui is taking a different route by offering controlled visibility. The network allows private transfer amounts while preserving the ability for issuers, exchanges, regulators, or approved auditors to access information under specific conditions.

Token issuers also retain controls that may allow them to freeze or seize assets in defined circumstances. That function may be relevant for stablecoins, tokenized payment systems, and regulated financial products that require operational safeguards.

Users can also prove ownership of balances or verify transaction amounts without exposing private keys, according to Mysten Labs. This could support financial workflows where proof is needed but full public disclosure is not required.

Stablecoin and Compliance Firms Test Sui Feature

The public beta is being tested as blockchain teams look for ways to balance privacy with regulatory access. Sui said launch partners including Bridge, TRM Labs, and Merkle Science are exploring how confidential transfers could work across payments, stablecoins, risk scoring, monitoring, and investigations.

Bridge is evaluating the technology for stablecoin and payment use cases. TRM Labs and Merkle Science are examining how transaction monitoring and risk assessment can function when sensitive financial data is encrypted rather than fully public.

Payment companies and treasury teams often avoid exposing transaction sizes or wallet balances because those details may reveal customer activity, cash management decisions, supplier relationships, or hedging strategies. Confidential transfers are designed to reduce that exposure while maintaining audit trails.

The launch also comes after Sui faced operational challenges in late May, when the network experienced three mainnet outages. Those incidents raised questions about reliability as the blockchain seeks wider adoption among institutions and financial applications.

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