Sui developers have shared a long post about the latest developments in the Sui ecosystem in 2025. Here are the 10 most notable developments.
Sui developments in 2025 coming up
— Adeniyi.sui (@EmanAbio) January 21, 2025
1. Continuing to improve network speed with Mysticeti V2
Last year, Sui deployed the Mysticeti consensus, significantly reducing the time to reach consensus to only 390 milliseconds. Mysticeti V1 has shown the world how DAG-based consensus can provide sub-1s finality under heavy load.
But this is not the final limit. While sub-1s finality is already industry-leading, DeFi requires near-instant finality for many asset classes.
Therefore, the Sui team is continuing to build Mysticeti V2, aiming to further reduce latency, increase throughput, and provide developers with an even simpler, more direct path to building ultra-fast applications.
Mysticeti V2 is expected to be deployed in 2025.
2. Remora helps Sui continue to scale on demand
Many are waiting to see when Sui will get congested, but the team asserts that Sui will never face this issue, "Sui will never run out of transaction processing capacity as network demand increases".
This is not just empty talk about "unlimited bandwidth", but Sui uses resource scaling to be able to handle any spikes in traffic.
That's why Sui's next goal in 2025 is not just to run faster on a single large machine, but to distribute the work across many machines. The team is turning a single-threaded process into a massive parallel system that can scale as easily as you add more computer hardware.
So Sui is tackling the horizontal scaling puzzle, starting with the Pilotfish research. The Pilotfish results have shown what linear scaling looks like: you add more machines to the validator pool and you'll get TPS scaling exponentially, while still maintaining sub-1s finality.
That research has evolved into Remora, a suite of techniques for systematically partitioning validator workloads across multiple machines.
With Remora, no matter how complex the load (a DeFi frenzy or a massive influx of traffic to a game), Sui can adapt.
3. Accelerating off-chain transactions
When people first hear about "off-chain tunnels", they often think of Bitcoin's Lightning Network, a simple, closed-loop P2P payment channel.
But with Sui, the team is taking that concept to a whole new level with Programmable P2P Tunnels, programmable P2P tunnels.
- Sui Programmable P2P Tunnels -
— Kostas Kryptos (@kostascrypto) December 27, 2024
Towards zero latency and unlimited tps.
our 🎄 gift with @Eason_C13 for the whole blockchain community. I'm very bullish about this workstream, we're finalizing the SIP during holidays 🧘🏽 pic.twitter.com/8TdN3Gzl50
These P2P tunnels are not just for one-time money transfers. They are built to handle anything, from low-latency payments to real-time game logic.
It can even enable multi-player interactions, only bringing the final state on-chain when you're done. That means you can lock some SUI Tokens (or any asset on Sui) into a tunnel, use or trade off-chain, then close the tunnel and confirm everything on-chain in a single sweep.
And the best part is: Sui's programmable P2P tunnels can provide unlimited throughput with zero latency.
Furthermore, Mysten Labs is actively collaborating with researchers at Carnegie Mellon University to develop and refine these programmable P2P tunnels.
4. Addressing the MEV problem
Speed won't be useful if user transactions are constantly front-run. MEV has become a critical issue for all blockchains today. That's why SIP-45 was born.
- Raising the gas fee ceiling so users can bid higher for truly important transactions.
- Changing the rules around how transactions are submitted and included in the chain.
The goal is to provide stronger guarantees for high gas fee transactions that users need prioritized. Or more broadly, to give everyone - developers, validators, and even regular users - a clearer picture of who is paying what and how those fees are prioritized.
The project team is aiming for a future where MEV is not a zero-sum game, but a public good that benefits the entire ecosystem. SIP-45 will do that by establishing a fairer playing field for everyone.
5. Improving decentralized storage
Walrus will launch its Mainnet in Q1/2025. Walrus is Sui's bold new approach to large-scale data storage, built on Sui's coordination layer.
Walrus mainnet is coming soon, and it will give us the first truly programmable on-chain storage.
Here is the English translation: — Adeniyi.sui (@EmanAbio) January 2, 2025
This is a real game-changer, and many Web2 and Web3 projects are already witching to @WalrusProtocol.
2025 is going to be huge for Sui 🚀#SUIDOMINATION pic.twitter.com/2TNrE3PfOb
Walrus is Sui's vision for a distributed storage layer, with no single point of failure, scalable and with an integrated sustainable economic model.
With @WalrusProtocol, you get data storage that's programmable, publicly verifiable, and truly unstoppable.
— Adeniyi.sui (@EmanAbio) January 15, 2025
Once you've tried that, there's no going back to inferior storage solutions.#CountdownToWalrus pic.twitter.com/kDne3iYUQq
Most current blockchain storage systems stop at storing or referencing basic files. But Walrus goes further by allowing developers to build rules, draft smart contracts, and unlock new use cases for data.
However, raw decentralized storage is only half the story. If everything is just plain text, then you might as well use DocuSign or Dropbox. That's where SEAL comes in.
6. Enhancing Security with SEAL
SEAL is an encryption and access control framework, designed to provide comprehensive security with sophisticated programmatic policies.
For the next-gen Web3 apps, just storing data on-chain isn't enough.
— Adeniyi.sui (@EmanAbio) January 7, 2025
You need the power to decide who sees what.
That's why we're building SEAL on @WalrusProtocol .
SEAL will be a complete game changer in how we share and protect on-chain data.#GetReadyForWalrus pic.twitter.com/WaPBiCIMB2
Simply put, think of SEAL as a rulebook that says, "These addresses can decrypt this type of data, under these exact conditions".
You might be streaming a "crisp" video or building a DocuSign-style workflow, where only specific parties can unlock the legal documents.
With SEAL, you don't just have the simple "public or private" storage options anymore. Instead, you define your own encryption policies, like "Grant read-only access to user X for a week, then revoke it".
Or require a specific on-chain action, such as signing a contract, before sharing data with someone.
The combination of Walrus and SEAL brings the Holy Grail for decentralized apps: a large data storage coupled with an integrated mechanism for powerful encryption and effective policy enforcement.
Building "Dropbox on Sui" or "Netflix on Sui" is no longer a far-fetched dream; you now have the tools to make it a reality.
7. Integrating SCION into the Sui Mainnet
The Internet itself is not impenetrable. You can have the most secure consensus and best encryption, but if your packets get hijacked halfway across the globe, all that blockchain security is shattered.
That's why SCION is embedded into Sui's global verification network.
🛡️Sui has become the first Layer-1 project to run SCION (now in Testnet), a stronger alternative to the routing and forwarding protocols in today's Internet, improving Sui's security and resilience.
— Sui (@SuiNetwork) October 3, 2024
🔒SCION protects Sui validators against many attacks that are possible on the…
With SCION integration, Sui can bypass the endless single points of failure we rely on in the regular Internet.
Thanks to SCION, Sui has robust, unstoppable connectivity, able to persist seamlessly through DNS hijacks, BGP theft, and massive DDoS attacks, while maintaining the open nature of a blockchain.
By 2025, the development team aims for the Sui Mainnet to fully adopt SCION.
8. Building the Ideal Environment for Developers
Alongside the technological innovations, Sui also aims to become the ideal blockchain environment for developers. In 2025, Sui wants to streamline everything, from how developers query on-chain data to how they verify their Move code.
The network's guiding principle is simplification: write less boilerplate code, accomplish more tasks. Because the team understands clearly that whether launching a DeFi protocol or just "fumbling" to build a dApp with AI assistance, developers just want to code the features, not wrestle with complex, convoluted infrastructure.
9. Integrating Passkey
One of the biggest drivers in 2025 is to make the Sui blockchain "invisible" to the average user. That's why the project team is consolidating all the breakthroughs under a single feature: a "frictionless" user experience.
Sui wants to make Passkey the game-changing tool: used daily, with biometric integration and temporary session locks, so users don't have to sign in and out repeatedly.
Web3 deserves better authentication systems.
— Adeniyi.sui (@EmanAbio) January 14, 2025
That's why we're bringing Next-Gen Passkeys on @SuiNetwork.
On Sui, we're merging multiple technologies into a flexible & powerful authentication system.
This gives you total control & security like never before.#SUIDOMINATION https://t.co/YDmFBkEqsm pic.twitter.com/asbCYZCvXE
Imagine unlocking your DeFi swap transaction with Face ID, then playing a game on Sui without having to re-authenticate every on-chain action.
The goal is to provide the speed of Web2 apps, combined with the enhanced security of Web3, all in a single, seamless flow.
10. Sui Gaming Focus
Gaming is the area that will help bring the most users from the traditional world to web3. Recognizing this, Mysten Labs "launched" a handheld game console that can run both Crypto and PC games in 04/2024.
In 2025, the SuiPlay0X1 gaming device with the Playtron operating system will be officially launched on the market. Currently, there are more than 65 game studios building for Sui, with about 70 game titles in the queue for release in 2025.
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