How SIP-45 Boosts Sui Blockchain’s Scalability in 2025
In 2025, the Sui blockchain addresses network congestion with SIP-45, a gas optimization proposal implemented to enhance transaction efficiency during high-demand periods.

As DeFi and GameFi ecosystems thrive on Sui’s high-throughput, low-latency architecture, it introduces a dynamic fee mechanism, allowing users to pay premium fees for prioritized transaction processing.
This innovation ensures scalability and responsiveness, positioning Sui as a leader in managing peak network loads for decentralized applications (dApps).
Understanding SIP-45’s Dynamic Fee Mechanism
SIP-45, rolled out in Q3 2025, tackles bottlenecks by enabling users to opt for higher gas fees to expedite transaction finality during congested periods. It uses a market-driven approach, where users bid for priority in Sui’s Mysticeti v2 consensus mechanism, which supports near-instant finality.
This dynamic scheduling, combined with Sui’s parallel transaction processing, reduces delays for critical operations. For example, a DeFi trader can pay a premium to ensure a swap executes swiftly, avoiding slippage in volatile markets.

Comparison to Other Blockchains
Sui’s SIP-45 stands out against other Layer 1 blockchains:
- Ethereum: High-demand periods spike gas fees for all users, with no option for prioritization beyond base fees and tips. Ethereum’s sequential processing can lead to delays, unlike Sui’s parallel execution.
- Solana: Solana’s fee market prioritizes transactions but struggles with network outages during extreme demand. SIP-45’s integration with Mysticeti v2 ensures stability and predictable prioritization.
- Binance Smart Chain (BSC): BSC offers low fees but lacks dynamic prioritization, leading to congestion in DeFi-heavy scenarios. SIP-45 provides a more flexible solution for real-time applications.
Sui’s approach balances accessibility with efficiency, maintaining low base fees (around $0.01) while allowing premium options, unlike Ethereum’s often prohibitive costs during peaks.
Impact on DeFi and GameFi
SIP-45 significantly enhances Sui’s DeFi and GameFi ecosystems:
- DeFi: Protocols like Cetus and NAVI benefit from prioritized transactions, enabling high-frequency trading and liquid staking.
- For instance, a user on DeepBook’s central limit order book can execute time-sensitive arbitrage trades without delays, boosting profitability.
- With Sui’s TVL reaching $1.226 billion in 2025, SIP-45 supports growing DeFi activity by ensuring scalability.
- GameFi: In games like Bushi or MemeFi, where players trade dynamic NFTs or in-game assets, it ensures smooth, real-time interactions.
- Players can pay premium fees to mint or transfer assets instantly, enhancing user experience in competitive environments like SuiPlay0X1 titles.
Looking Ahead
By addressing high-demand transaction fees, SIP-45 reinforces Sui’s position as a scalable, user-centric blockchain. Its ability to prioritize transactions without compromising affordability supports the rapid growth of DeFi and GameFi, with over 200 dApps leveraging Sui’s infrastructure in 2025.
As adoption grows, particularly with partnerships like Microsoft and ONE Championship, SIP-45 ensures Sui blockchain remains a top choice for developers and users navigating high-demand scenarios.
Visit the MevX blog now to learn about Sui and head to the MevX trading platform to explore Sui meme coins.
source https://blog.mevx.io/sui/sip-45-boosts-sui-blockchains-scalability-in-2025
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