Solana Wants 150-Millisecond Finality. Four Pieces Have to Survive a Bug Hunt First

Solana Wants 150-Millisecond Finality. Four Pieces Have to Survive a Bug Hunt First


Rows of servers representing Solana's Alpenglow consensus infrastructure image By Isaac • July 19, 2026 3:55 pm •

Solana is not asking security researchers to admire Alpenglow.

It is preparing to ask them to break it.

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Anza, the development firm leading the new consensus system, says a bug bounty competition is coming later this summer before Alpenglow reaches mainnet. Full details are still to come, and submissions are not open yet.

The timing matters because Alpenglow carries one of the boldest performance targets in crypto: transaction finality in roughly 150 milliseconds under simulation.

That number is not a mainnet promise. It is not a guarantee that every Solana transaction will become irreversible in less than the blink of an eye.

It is the result the design is chasing—and the reason the code now needs

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