Morning Edition · Monday, September 28, 2026Published at 1:43 AM EDT · New York

Solana's Fee-Ordering Proposal Closes Unmerged, Leaving Leaders in Control of Inclusion

SIMD-0649 would have made priority order a block validity rule inside each entry batch, but reviewers noted that leaders still decide what enters a block and where batches end.

A Solana proposal to constrain how block producers order transactions closed without being merged. SIMD-0649 would have made non-increasing priority order a block validity rule inside each entry batch, with priority calculated from the fee…