What is Sui (SUI)?

Summary

Sui (SUI) is a Layer-1 blockchain built for fast, low-cost, and highly scalable transactions using parallel execution and the Move programming language. The SUI token is used to pay network fees, stake to help secure the network, and participate in governance. Investors can gain exposure to SUI through an iTrustCapital Crypto IRA, which offers potential tax advantages for retirement investing, or through an iTrustCapital Premium Custody Account (PCA) for everyday investing, with institutional-grade custody, 24/7 access, and U.S.-based client support.

Sui at a Glance

Attribute	Details
Blockchain Type	Layer-1
Consensus Mechanism	Delegated Proof-of-Stake with Narwhal/Bullshark
Programming Language	Move
Mainnet Launch	2023
Founders	Evan Cheng, Adeniyi Abiodun, Sam Blackshear, George Danezis, Kostas Chalkias
Parent Company	Mysten Labs

What is Sui the Network?

Sui is a layer-1 decentralized blockchain that supports smart contracts, letting developers create and run applications on its network. It's designed to be fast and scalable, similar to other blockchains like Solana that prioritize low-cost, high-speed transactions. One of the things that makes Sui stand out is its ability to process multiple transactions per second, unlike networks such as Ethereum or Bitcoin, which tend to handle transactions at a slower pace.

Sui processes transactions in parallel, similar to a multi-lane freeway, while blockchains like Ethereum and Bitcoin process transactions sequentially like a single-lane road. Sui's ability to keep things moving efficiently, even when traffic is heavy, is what makes it appealing to developers and users.

How Sui Works

Sui's technical architecture sets it apart from traditional blockchains through several key innovations:

Object-Centric Model: Unlike account-based blockchains, Sui treats digital assets as independent objects. This allows transactions involving different objects to be processed simultaneously without conflicts.
Parallel Execution: Sui can process many transactions at once rather than one at a time. This dramatically increases throughput and reduces wait times for users.
Move Programming Language: Sui uses Move, a programming language originally developed for Meta's Diem blockchain. Move is designed with safety in mind, helping prevent common smart contract vulnerabilities.

The History of Sui

Sui started as a testnet in 2022 and officially launched its mainnet in 2023. It was created by Mysten Labs, a company founded by former Meta engineers who worked on the Diem blockchain and the Move programming language. Some key people behind Sui include Evan Cheng, Adeniyi Abiodun, Sam Blackshear, George Danezis, and Kostas Chalkias.

One of Sui's major updates involved switching to the Narwhal and Bullshark consensus mechanisms:

Narwhal ensures data availability and organizes transactions under network pressure.
Bullshark builds on Narwhal to finalize transactions quickly, maintaining network speed and reliability.

Sui also uses a delegated proof-of-stake (DPoS) system. This means people who hold SUI tokens can stake (or lock up) their tokens to help secure the network. If you don't want to run a validator yourself, you can delegate your tokens to someone else who can, and you'll still earn rewards. This approach makes the network more secure and gives more people a chance to participate.

Applications on the Sui Network

Sui works much like other networks such as Ethereum and Solana, and it already hosts applications. Here's a look at a few:

Application	Category	Description
NAVI Protocol	Lending	Allows users to lend and borrow crypto assets for potential yield
Cetus AMM	DeFi/Trading	Automated market maker for swapping cryptocurrencies with fast transactions and low fees
Haedal Protocol	Liquid Staking	Enables staking SUI tokens while maintaining liquidity
AlphaFi	Yield Aggregator	Helps users find the best yield opportunities within the Sui network

SUI The Cryptocurrency

SUI is the native cryptocurrency of the Sui network, and it plays a few important roles:

Transaction Fees: SUI is used to pay for transaction fees, or gas fees, on the Sui network.
Staking: Sui operates on a delegated proof-of-stake (PoS) system, where users can stake their SUI tokens to help secure the network. In return, they earn rewards, giving them a chance to grow their holdings over time.
Governance: SUI holders can also participate in governance, allowing them to vote on decisions that impact the future of the network. This gives the community a direct say in how Sui evolves.

Buy & Sell SUI at iTrustCapital

Whether you're investing for retirement or building a non-retirement crypto portfolio, iTrustCapital provides multiple ways to access SUI. Investors can buy and sell SUI through a Crypto IRA, which offers potential tax advantages through a Traditional or Roth IRA, or through a Premium Custody Account (PCA), an account for everyday investing that provides institutional-grade custody, 24/7 access, low transaction costs, and U.S.-based client support. Both account types allow investors to securely gain exposure to SUI from one easy-to-use platform.

Open an account today!

Frequently Asked Questions

Sui is a Layer-1 blockchain designed to deliver fast, low-cost transactions through a unique parallel execution model. Unlike many traditional blockchains that process transactions one at a time, Sui can process many independent transactions simultaneously, helping improve scalability and network performance. The network's native cryptocurrency, SUI, is used to pay transaction fees, stake to help secure the blockchain, and participate in governance decisions.

What makes Sui different from Ethereum?

One of the biggest differences is how the two networks process transactions. Ethereum generally processes transactions sequentially, while Sui uses parallel execution, allowing many transactions to be completed at the same time when they don't depend on one another. Sui also uses the Move programming language instead of Solidity, giving developers a different framework for building decentralized applications with an emphasis on security and digital asset management.

What is the SUI token used for?

SUI has several primary uses:

Paying network transaction (gas) fees
Staking to help secure the network and potentially earn staking rewards
Participating in governance proposals
Supporting applications built across the Sui ecosystem

Who created Sui?

Sui was developed by Mysten Labs, a company founded by former Meta engineers including Evan Cheng, Adeniyi Abiodun, Sam Blackshear, George Danezis, and Kostas Chalkias. Many of the founders previously worked on Meta's Diem blockchain project and helped develop the Move programming language.

What programming language does Sui use?

Sui uses Move, a programming language originally developed for Meta's Diem project. Move was specifically designed for digital assets and smart contracts, helping improve security and reduce common programming vulnerabilities.

How does Sui achieve fast transaction speeds?

Sui combines several innovations to improve scalability:

Parallel transaction execution
An object-centric data model
Delegated Proof-of-Stake (DPoS)
Narwhal and Bullshark consensus mechanisms for efficient transaction ordering and finalization

Together, these technologies allow the network to process many transactions simultaneously while maintaining security.

Can you stake SUI?

Yes. SUI holders can stake their tokens either by operating a validator or by delegating their tokens to an existing validator on the network. In return for helping secure the blockchain, participants may earn staking rewards, although rewards can vary based on network conditions, validator performance, and protocol rules.

Is Sui a good blockchain for developers?

Many developers are attracted to Sui because of its high throughput, low transaction costs, Move programming language, and architecture that enables scalable decentralized applications (dApps), gaming, DeFi, NFTs, and other Web3 use cases. As with any blockchain ecosystem, adoption depends on continued developer activity and network growth.

Where can I buy SUI?

SUI is available on a variety of cryptocurrency platforms. Investors looking for long-term exposure can buy and sell SUI through iTrustCapital using either a Crypto IRA, which offers potential tax advantages through Traditional or Roth IRAs, or a Premium Custody Account (PCA) for everyday investing, with institutional-grade custody, 24/7 access, and U.S.-based client support.

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