Sui is introducing confidential transfers, allowing users to hide transaction amounts while preserving the network’s ability to verify token supply, according to co-founder Adeniyi Abiodun. Abiodun announced the feature on June 5 in a series of posts on X, outlining a privacy-focused upgrade for the Layer 1 blockchain.
The move comes as Sui expands its payments infrastructure and broader blockchain ecosystem. Explaining the approach, Abiodun said: “Confidential transfers are coming to Sui. The hard part of private money isn’t hiding the amount but guaranteeing nobody can mint value out of thin air while the supply is shielded.”
He added: “We solved it by scoping the cryptography down to one thing: range proofs on transfer amounts. Conservation of supply lives in the protocol, not the proof. Unauthorized mints are impossible by construction.”
Privacy meets transaction security
The protocol upgrade addresses a longstanding issue for public blockchains. While networks such as Sui provide transparent transaction records, they also expose payment amounts and wallet activity.
Public blockchains make transaction data visible to everyone, which can create challenges for businesses managing payments and treasury operations.
Sui’s confidential transfers are designed to address that issue by keeping transaction amounts private. At the same time, the network can still verify that funds are valid without exposing the underlying details, allowing both privacy and security to remain intact.
According to Abiodun, the system relies on range proofs, a cryptographic method that hides transaction values while confirming they fall within acceptable limits. The approach allows users to gain additional privacy without changing the network’s supply controls.
Abiodun also hinted at broader developments across the ecosystem. He wrote: “There is huge work underway that we’ll be sharing publicly from here on.” Additionally, he expressed confidence in the network’s roadmap, stating: “Trust the work. We’re just getting started.”
Broader infrastructure vision
The privacy upgrade follows Sui’s recent launch of gasless stablecoin transfers, which let users send supported stablecoins without holding SUI for transaction fees. While gasless transfers focus on making payments easier, confidential transfers are designed to keep transaction amounts private.
The announcement also comes after a period of technical disruptions on the network, including issues linked to software upgrades and consensus mechanisms. Despite those challenges, Sui has continued to roll out new features and expand its services beyond basic token transfers.
The network’s broader strategy includes payments, digital identity, data management, coordination tools, and AI-related infrastructure. It also includes Walrus Memory, a storage platform designed to support AI applications and long-term data retention.
Abiodun said future digital economies will require both scalability and privacy. He stated: “When scale is needed, when privacy is non negotiable, when agents are moving real value across the internet, who will be ready? The answer is Sui.”
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