Suiet, a self-custodial wallet built for the Sui blockchain, said it will end development and maintenance. The team will keep its API services running through Nov. 14, 2026, to give users time to move to another wallet. The announcement adds to a run of closures and service withdrawals across the Sui ecosystem.
What Suiet users need to do
Suiet's notice says the shutdown will not move or delete anyone's assets, because they sit on the Sui blockchain. The risk comes after the API services go offline. At that point the wallet "may no longer reliably display balances, send transactions, or connect to applications." Suiet has no mobile apps, and its Chrome Web Store extension will also be sunset soon.
The team asked users to back up the recovery phrase or private key for every account they use. Accounts imported separately may need their own backups. Users can then restore an account in a compatible Sui wallet through that wallet's official import process, or create a new wallet and transfer assets to it.
Suiet urged users to confirm that the restored address matches and that their assets appear before they uninstall the extension or clear its data. Staking positions and assets held in applications should be checked as well. Restoring an account does not move anything on-chain, but a transfer to a new address carries normal network fees.
"Never share your recovery phrase or private keys with anyone, including anyone claiming to represent Suiet," the team wrote.
Shutdowns tend to attract scammers who send fake migration notices or set up lookalike wallet pages. The safest route is to open the new wallet's own import screen from its official site, and to avoid links in direct messages or replies. Users with a hardware wallet can also move funds to it, since the keys stay off the computer.
A string of exits
Suiet's closure comes right after Suiball, a Sui-based hardware wallet project, announced its own on Nov. 10. Phantom ended support for Sui in September. The DeFi project Full Sail has also shut down following a security incident involving Switchboard that caused about $91,000 in losses.
Suiet was one of the community-built wallets for Sui, which launched its mainnet in May 2023 under developer Mysten Labs. Mysten also offers its own wallet, which it rebranded as Slush, so users have at least one first-party option.
Activity has dropped
The closures arrive as usage falls. Sui's total value locked stood at about $411 million on Thursday, down more than 23% over the past month, according to DefiLlama. Token Terminal data shows Sui averaged about 128,000 daily active users in October. That is down from 601,000 in November 2025, a drop of around 79%.
Transactions moved the other way. Sui processed 324 million in October, up from 101 million in November 2025, according to Token Terminal. That does not mean more people are using it.
The ecosystem has weathered a larger blow before. In May 2025, an exploit of the Cetus exchange drained roughly $223 million, and Sui validators moved to freeze a large part of the stolen funds. That episode drew criticism over how much control validators had.
Outages in 2026
Sui has had four network outages this year, totaling around 22 hours of downtime, based on reports published by the Sui Foundation. The network stopped processing transactions for about six hours in January. Three more outages followed on May 28 and 29. The Foundation linked the May disruptions to software bugs, including problems introduced by a network update, and said no user funds were at risk.
Solana has had no network-wide outage since February 2024, when it went offline for nearly five hours. Aptos last reported a mainnet outage in October 2023. Aptos and Sui both use the Move programming language, which began at Meta in the Diem project.
The Sui Foundation and Suiet did not immediately respond to requests for comment.
Anastasiia G
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