A new way of looking at fee markets and blockspace
Raiku’s Slot Marketplace is packed with individual features to transform compute units (CUs) into a guaranteed, programmable resource
Slots: the atomic unit of execution on Solana
On Solana, every transaction lives or dies by the slot. Miss your slot, and the outcome is unpredictable, with users facing delays, retries, or outright failures.
Under load, up to 40% of transactions fail. Even critical flows like swaps, vault rebalances, or liquidation calls can miss their window.
Native determinism fixes this at the source: by making slot access predictable, guaranteed, and programmable.
Execution is guaranteed, even under pressure
Raiku extends Solana’s blockspace with slot-inclusion Quality of Service (siQoS), a marketplace for compute units that allows users to purchase guaranteed slot-level execution without introducing extra latency or breaking block continuity.
Reserve CUs ahead-of-time, secure the next available slot, or find the optimal available slot based on network conditions.
Time the market, like never before
Both ahead-of-time (AOT) and just-in-time (JIT) transactions use validator pre-commitments (<50 ms) to guarantee your transaction lands exactly when intended.
Together, they cover every scenario where precise execution timing matters - whether you’re building orchestrated multi-slot strategies or optimising for split-second market moves.
Just-in-Time (JIT) transactions
Ahead-of-Time (AOT) Transactions
A fair and efficient marketplace for blockspace
Raiku’s siQoS marketplace uses distinct auction mechanisms to price JIT and AOT transactions, ensuring real-time price discovery.
JIT Auction
First-price sealed bid auction, based on priority fee plus a small routing fee
AOT Auction
Open English-style auction, where users bid against each other for future slots
Enforcing Guarantees
Verifiable economic incentives rather than external trust assumptions
Take control of transaction delivery
Raiku gives builders precise, programmable control over execution - opening the design space for applications that have been impossible or unreliable on today’s crypto rails.