“After activation, every transaction needs a recent blockhash,” it says. The proposal does not mention Drift, but instead builds its case on years of bugs, including a 2022 incident in which “a failed transaction was processed through both the blockhash and nonce paths, halting mainnet for about 4.5 hours.”
The draft also puts the first date on a plan the Solana Foundation announced in October.
“The feature will not be activated on mainnet-beta before 2027-05-05,” it says, giving users “at least six months to migrate, counted from this proposal’s publication on 2026-11-05.” The Foundation’s own deprecation page still says “No date set” and starts the six-month clock only once a replacement is ready, which could push the cutoff later.
What changes
A small group would feel most of the change. Durable nonce transactions made up about 3% of Solana’s traffic in one June measuring period but paid 30% of all priority fees, the tips users add to get processed first.
Just 555 accounts sent 97.5% of them, according to data from researcher Max Resnick.
Resnick’s post does not say who runs those accounts, and it describes the feature being “coopted for durable nonce spam.” The proposal names custodians as a separate affected group.
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