Why is Solana so fast? Many people can't explain it!
In September 2025, the Solana community voted to approve the Alpenglow consensus upgrade, which is set to replace TowerBFT with a new voting mechanism and remove Proof of History from consensus.
Solana transactions must specify in advance which accounts they will read and write. Transactions that don't conflict can be executed in parallel, which is one reason for Solana's high throughput.
Be extra skeptical of claims promising stable, high returns.
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