← All articles CASE FILE — BLOCK FINALITY SOLIDIFIED FRONTIER [ ON-CHAIN ≠ FINAL ] EX. 1 Produced block EVERY 3 SECONDS · NOT YET FINAL [ ENTERS THE WINDOW ] EX. 2 Reversible window ≈19 BLOCKS · ≈54 SECONDS A LONGER BRANCH CAN STILL DISPLACE [ EXITS AT 19 ] EX. 3 Solidified — irreversible 18 LATER BLOCKS · 18 DIFFERENT SRs 19 DISTINCT · ≈70% OF 27 KEY On the chain at once · final only past the solidified line Technology Block Finality and Solidified Blocks PUBLISHED2026-07-03 │ BYTRONORIGIN │ UPDATED 2026-07-16 block-finality solidified-blocks consensus dpos