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The Layer 1 landscape is crowded with claims of higher throughput and lower latency. Sui's distinction is structural: rather than optimizing a conventional account-based architecture, Mysten Labs rebuilt the foundation around an object-oriented data model. The result is a network that processes transactions in parallel, finalizes in under a second, and has emerged as one of the leading destinations for real-world asset (RWA) tokenization, institutional DeFi, and consumer applications.
This guide covers what Sui is, why it has become a preferred environment for tokenized assets, and how to store and stake SUI -— including how to delegate to Republic, one of the largest validators on the network.
What is Sui?
Sui is a Layer 1 proof-of-stake blockchain developed by Mysten Labs, founded by former Meta engineers who previously worked on the Diem project. Mainnet launched in May 2023.
Most blockchains, i.e. Ethereum, Solana, and their derivatives, use an account-based model in which balances are entries on a global ledger that must be updated sequentially. Sui takes a different approach: every on-chain asset is represented as an object with a unique identifier and its own properties. Tokens, NFTs, tokenized securities, and smart contract state are all objects.
Because the protocol can see exactly which objects a transaction touches, it can execute unrelated transactions in parallel instead of lining everything up in a single queue. Two users transferring different assets do not have to wait on one another, which is the core reason Sui can sustain high throughput without sacrificing finality.
The second defining element is the Move programming language, also inherited from Diem. Move was purpose-built for digital assets, treating them as first-class types that cannot be inadvertently duplicated or destroyed. In practice, that cuts out whole categories of bugs that routinely blow up EVM contracts..
In practical terms, Sui offers:
Sub-second finality for simple transactions
Transaction fees typically measured in fractions of a cent
Parallel execution that scales horizontally rather than serially
Native primitives such as zkLogin (authentication via Google or Apple credentials, without a seed phrase) and sponsored transactions (applications can absorb gas costs on behalf of users)
Why Sui Has Become a Hub for Real-World Assets
The object model has turned out to be particularly well-suited to tokenized real-world assets. When a tokenized share, bond, fund interest, or real-estate position exists as a discrete object rather than a ledger entry, it can carry its own metadata, transfer rules, and compliance logic at the protocol level. Move's safety guarantees apply to that object directly, which matters considerably when the asset on chain corresponds to a legally enforceable claim off chain.
The Sui Foundation has deliberately leaned into this category, and the ecosystem reflects it. USDC, USDT, and other major stablecoins are well-established on Sui; the network now offers gasless stablecoin transfers, and a growing roster of issuers are bringing tokenized equities, credit, and yield products onto the chain. or teams deciding where to launch a tokenized product, low fees, sub‑second settlement, and an asset‑aware execution environment are concrete reasons to put Sui on the short list.
A Note on Tokenomics
SUI is the network's native token, with a hard cap of 10 billion. It serves four functions: paying gas, staking for network security, participating in governance, and acting as the unit of account across Sui applications.
One distinctive piece of design is the Storage Fund. Every transaction that adds data to the chain pays a storage fee, which is deposited into a protocol-level pool rather than paid directly to validators. That pool is staked, and its rewards compensate validators for the long-term cost of maintaining historical state. The mechanism addresses a problem most chains leave unsolved — that future validators inherit the storage burden created by past users — and has the secondary effect of removing SUI from active circulation over time.
Where Republic Fits In
Republic has been a core infrastructure partner to Sui since the network's early stages, with involvement across three areas:
Sui LaunchPad, powered by Republic is the compliant onchain fundraising platform for projects building on Sui. It was the first time Republic's LaunchPad integrated with a non-EVM chain, with DeLorean Labs as the inaugural issuer. For teams looking to bring tokenized assets to market with regulatory clarity, it remains the most established route on the network.
Republic operates one of the largest validators on Sui, with more than 117 million SUI delegated through its node (verifiable on SuiVision).
Our non-custodial Republic Wallet supports SUI natively, alongside the regulated RWA tokens issued through the Republic platform, making it one of the few wallets where holders can manage both native crypto and tokenized securities in a single self-custodied interface.
For investors and issuers focused on RWAs, this stack a regulatory-compliant launchpad, validator infrastructure, and a wallet built to hold tokenized securities) is what differentiates Republic's involvement from a pure validator-as-a-service partnership.
How to Store SUI
Before staking or transacting, you need a place to hold SUI. The options divide into custodial (exchanges) and non-custodial (wallets).
Exchanges
For first-time buyers, a centralized exchange is the most direct on-ramp. SUI is broadly listed, including on:
Exchanges are convenient for acquisition, but holding assets there means the exchange controls the private keys. For staking, and for any meaningful holding period, moving SUI to a self-custodied wallet is the standard practice.
Non-Custodial Wallets
With a non-custodial wallet, you control the private keys directly. That control is absolute in both directions: no third party can move your funds, but no third party can recover them either, so the seed phrase requires careful handling.
The primary options for SUI:
Slush: The official wallet from Mysten Labs (previously branded as Sui Wallet). Available as a browser extension and mobile app, with integrated staking, zkLogin, and Ledger hardware support. The standard starting point for most users.
Phantom: The widely used multichain wallet added Sui support in late 2024. A reasonable choice for users already managing assets across multiple chains.
Backpack: Multichain self-custody wallet with strong Sui integration.
Suiet and Nightly: Open-source, Sui-native wallets favored by developers.
Ledger: Hardware wallet for cold storage. Strongly recommended once holdings become material.
Republic Wallet: Non-custodial wallet supporting SUI alongside Republic's tokenized RWA offerings. Particularly relevant for holders managing both native crypto and tokenized securities.
The typical workflow: acquire SUI on an exchange, withdraw to a non-custodial wallet, and stake from there.
How to Stake SUI with Republic
Sui uses Delegated Proof-of-Stake (DPoS). Approximately 116 validators secure the network, and any SUI holder can delegate tokens to a validator without surrendering custody. Your tokens remain in your wallet; you simply assign their voting weight to a validator in exchange for a share of the rewards it generates.
Rewards are distributed at the end of each epoch, which lasts roughly 24 hours. Current SUI staking yields generally fall in the 2–3% APY range, varying with validator commission rates and network conditions.
Why Stake with Republic
Republic operates one of the largest validators on Sui, with over 117 million SUI delegated through its node. We have operated institutional-grade validator infrastructure across multiple chains since 2017. For delegators, the relevant attributes are consistent uptime, established operational security, and a credible institutional counterparty. All of this translates directly into more predictable rewards.
Step-by-Step
The most direct path is through SuiVision, the leading Sui block explorer:
Fund a non-custodial wallet with SUI. Withdraw from your exchange to Slush, Phantom, or your wallet of choice. Retain a small SUI balance (well under 1 SUI is sufficient) to cover transaction fees.
Navigate to Republic's validator page on SuiVision: suivision.xyz/validator/0x333b6f2a08d138e8c98d84258859b701a4215e2fabb2aee69300f9f4604cda92
Connect your wallet. Select "Connect Wallet," choose your wallet provider, and approve the connection request.
Initiate the stake. Click "Stake," then enter the amount of SUI you want to delegate.
Confirm the transaction. Review the details like amount, validator, commission rate and approve in your wallet. Confirmation is typically sub-second.
Wait for the next epoch. Your stake begins earning rewards at the start of the following epoch (within 24 hours). Rewards auto-compound, adding to your delegated balance rather than paying out separately.
To unstake, return to the same page, select "Unstake," and confirm. A short unbonding period applies,after which the tokens are liquid again.
Alternative: Stake Through Your Wallet
Slush, Suiet, and most Sui wallets offer integrated staking. The flow is similar: open the staking section, search for "RepublicCrypto" in the validator list, and delegate. The SuiVision route is marginally more direct when you already know which validator you intend to use.
Putting It Together
Sui’s combination of speed, low fees, and asset‑aware architecture makes it one of the more interesting Layer 1s for tokenized real‑world assets. Its object model and Move’s safety guarantees line up cleanly with how regulated financial products need to behave on chain.
For holders, staking is the default position: non-custodial, no minimums, no extended lockups, with rewards landing reliably each epoch. For builders and issuers, Republic's LaunchPad and tokenization advisory services represent the most established compliant pathway to bringing RWAs onto the network.
Whichever side of the network you're approaching it from, the operational steps are straightforward: secure your wallet, move SUI into self-custody, and put it to work.
