Why Raiku Exists
Raiku exists because fast blockchains still suffer from unreliable execution. Speed alone is not enough when execution cannot be guaranteed.
The Core Problem: Execution Is Uncertain
On Solana today, sending a transaction does not guarantee it will execute. Even if a transaction is valid and pays a high fee, it can still be dropped during periods of congestion.
This creates a system where users must hope their transaction lands in a block, rather than knowing it will.
How Solana Handles Transactions Today
Solana does not use a traditional mempool. Transactions are sent directly to the current leader, who decides which transactions to include.
Under heavy load, leaders must choose between many competing transactions, and many valid transactions are simply dropped.
What Goes Wrong Under Congestion
Dropped Transactions
Valid transactions never make it into a block during peak demand.
Fee Guessing
Users raise fees blindly without any execution guarantee.
Spam & Bots
Bots flood the network because sending more transactions increases odds.
Wasted MEV
Many MEV attempts revert or fail, burning fees without execution.
Why Paying Higher Fees Doesn’t Fix This
Priority fees on Solana only increase the probability of inclusion. They do not provide any contractual guarantee that execution will occur.
This turns execution into a guessing game where everyone overpays, spam increases, and reliability decreases.
The Hidden Cost: Broken Applications
Execution uncertainty limits what can be built on-chain. Applications that require precise timing or coordination struggle or move off-chain entirely.
Without guarantees, systems like liquidations, institutional trading, AI agents, and DePIN coordination become unreliable.
The Insight Behind Raiku
Blockspace is a scarce resource, but today it is treated like a lottery. Raiku exists to replace probabilistic execution with explicit scheduling and guarantees.
Other industries solved this long ago by reserving compute, bandwidth, and time slots. Blockchains need the same model.
What Raiku Changes
Raiku replaces execution guesswork with deterministic execution. Users no longer compete blindly they reserve execution explicitly.
This transforms blockspace from a best-effort system into reliable infrastructure.